├── HFDownLoad.xcodeproj
    ├── project.pbxproj
    ├── project.xcworkspace
    │   ├── contents.xcworkspacedata
    │   └── xcshareddata
    │   │   └── HFDownLoad.xccheckout
    └── xcuserdata
    │   └── yeaodong.xcuserdatad
    │       ├── xcdebugger
    │           └── Breakpoints_v2.xcbkptlist
    │       └── xcschemes
    │           ├── HFDownLoad.xcscheme
    │           └── xcschememanagement.plist
├── HFDownLoad
    ├── AppDelegate.h
    ├── AppDelegate.m
    ├── Base.lproj
    │   ├── LaunchScreen.xib
    │   └── Main.storyboard
    ├── HFConnection.h
    ├── HFConnection.m
    ├── HFSession.h
    ├── HFSession.m
    ├── Images.xcassets
    │   ├── AppIcon.appiconset
    │   │   └── Contents.json
    │   ├── pause.imageset
    │   │   ├── Contents.json
    │   │   └── pause.png
    │   └── start.imageset
    │   │   ├── Contents.json
    │   │   └── start.png
    ├── Info.plist
    ├── ViewController.h
    ├── ViewController.m
    └── main.m
├── HFDownLoadTests
    ├── HFDownLoadTests.m
    └── Info.plist
└── README.md


/HFDownLoad.xcodeproj/project.pbxproj:
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366 | 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
367 | 				PRODUCT_BUNDLE_IDENTIFIER = "hongfeng.$(PRODUCT_NAME:rfc1034identifier)";
368 | 				PRODUCT_NAME = "$(TARGET_NAME)";
369 | 			};
370 | 			name = Debug;
371 | 		};
372 | 		C0BCDA871B9D21D200DFA53B /* Release */ = {
373 | 			isa = XCBuildConfiguration;
374 | 			buildSettings = {
375 | 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
376 | 				INFOPLIST_FILE = HFDownLoad/Info.plist;
377 | 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
378 | 				PRODUCT_BUNDLE_IDENTIFIER = "hongfeng.$(PRODUCT_NAME:rfc1034identifier)";
379 | 				PRODUCT_NAME = "$(TARGET_NAME)";
380 | 			};
381 | 			name = Release;
382 | 		};
383 | 		C0BCDA891B9D21D200DFA53B /* Debug */ = {
384 | 			isa = XCBuildConfiguration;
385 | 			buildSettings = {
386 | 				BUNDLE_LOADER = "$(TEST_HOST)";
387 | 				FRAMEWORK_SEARCH_PATHS = (
388 | 					"$(SDKROOT)/Developer/Library/Frameworks",
389 | 					"$(inherited)",
390 | 				);
391 | 				GCC_PREPROCESSOR_DEFINITIONS = (
392 | 					"DEBUG=1",
393 | 					"$(inherited)",
394 | 				);
395 | 				INFOPLIST_FILE = HFDownLoadTests/Info.plist;
396 | 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
397 | 				PRODUCT_BUNDLE_IDENTIFIER = "hongfeng.$(PRODUCT_NAME:rfc1034identifier)";
398 | 				PRODUCT_NAME = "$(TARGET_NAME)";
399 | 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/HFDownLoad.app/HFDownLoad";
400 | 			};
401 | 			name = Debug;
402 | 		};
403 | 		C0BCDA8A1B9D21D200DFA53B /* Release */ = {
404 | 			isa = XCBuildConfiguration;
405 | 			buildSettings = {
406 | 				BUNDLE_LOADER = "$(TEST_HOST)";
407 | 				FRAMEWORK_SEARCH_PATHS = (
408 | 					"$(SDKROOT)/Developer/Library/Frameworks",
409 | 					"$(inherited)",
410 | 				);
411 | 				INFOPLIST_FILE = HFDownLoadTests/Info.plist;
412 | 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
413 | 				PRODUCT_BUNDLE_IDENTIFIER = "hongfeng.$(PRODUCT_NAME:rfc1034identifier)";
414 | 				PRODUCT_NAME = "$(TARGET_NAME)";
415 | 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/HFDownLoad.app/HFDownLoad";
416 | 			};
417 | 			name = Release;
418 | 		};
419 | /* End XCBuildConfiguration section */
420 | 
421 | /* Begin XCConfigurationList section */
422 | 		C0BCDA5D1B9D21D200DFA53B /* Build configuration list for PBXProject "HFDownLoad" */ = {
423 | 			isa = XCConfigurationList;
424 | 			buildConfigurations = (
425 | 				C0BCDA831B9D21D200DFA53B /* Debug */,
426 | 				C0BCDA841B9D21D200DFA53B /* Release */,
427 | 			);
428 | 			defaultConfigurationIsVisible = 0;
429 | 			defaultConfigurationName = Release;
430 | 		};
431 | 		C0BCDA851B9D21D200DFA53B /* Build configuration list for PBXNativeTarget "HFDownLoad" */ = {
432 | 			isa = XCConfigurationList;
433 | 			buildConfigurations = (
434 | 				C0BCDA861B9D21D200DFA53B /* Debug */,
435 | 				C0BCDA871B9D21D200DFA53B /* Release */,
436 | 			);
437 | 			defaultConfigurationIsVisible = 0;
438 | 			defaultConfigurationName = Release;
439 | 		};
440 | 		C0BCDA881B9D21D200DFA53B /* Build configuration list for PBXNativeTarget "HFDownLoadTests" */ = {
441 | 			isa = XCConfigurationList;
442 | 			buildConfigurations = (
443 | 				C0BCDA891B9D21D200DFA53B /* Debug */,
444 | 				C0BCDA8A1B9D21D200DFA53B /* Release */,
445 | 			);
446 | 			defaultConfigurationIsVisible = 0;
447 | 			defaultConfigurationName = Release;
448 | 		};
449 | /* End XCConfigurationList section */
450 | 	};
451 | 	rootObject = C0BCDA5A1B9D21D200DFA53B /* Project object */;
452 | }
453 | 


--------------------------------------------------------------------------------
/HFDownLoad.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:HFDownLoad.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/HFDownLoad.xcodeproj/project.xcworkspace/xcshareddata/HFDownLoad.xccheckout:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>IDESourceControlProjectFavoriteDictionaryKey</key>
 6 | 	<false/>
 7 | 	<key>IDESourceControlProjectIdentifier</key>
 8 | 	<string>049AD015-56EC-4580-9FD0-9F2674C5E553</string>
 9 | 	<key>IDESourceControlProjectName</key>
10 | 	<string>HFDownLoad</string>
11 | 	<key>IDESourceControlProjectOriginsDictionary</key>
12 | 	<dict>
13 | 		<key>4889AFC4A24F2C97DBDC8F161587B5F0E6C66E15</key>
14 | 		<string>https://github.com/hongfenglt/HFDownLoad.git</string>
15 | 	</dict>
16 | 	<key>IDESourceControlProjectPath</key>
17 | 	<string>HFDownLoad.xcodeproj</string>
18 | 	<key>IDESourceControlProjectRelativeInstallPathDictionary</key>
19 | 	<dict>
20 | 		<key>4889AFC4A24F2C97DBDC8F161587B5F0E6C66E15</key>
21 | 		<string>../..</string>
22 | 	</dict>
23 | 	<key>IDESourceControlProjectURL</key>
24 | 	<string>https://github.com/hongfenglt/HFDownLoad.git</string>
25 | 	<key>IDESourceControlProjectVersion</key>
26 | 	<integer>111</integer>
27 | 	<key>IDESourceControlProjectWCCIdentifier</key>
28 | 	<string>4889AFC4A24F2C97DBDC8F161587B5F0E6C66E15</string>
29 | 	<key>IDESourceControlProjectWCConfigurations</key>
30 | 	<array>
31 | 		<dict>
32 | 			<key>IDESourceControlRepositoryExtensionIdentifierKey</key>
33 | 			<string>public.vcs.git</string>
34 | 			<key>IDESourceControlWCCIdentifierKey</key>
35 | 			<string>4889AFC4A24F2C97DBDC8F161587B5F0E6C66E15</string>
36 | 			<key>IDESourceControlWCCName</key>
37 | 			<string>HFDownLoad</string>
38 | 		</dict>
39 | 	</array>
40 | </dict>
41 | </plist>
42 | 


--------------------------------------------------------------------------------
/HFDownLoad.xcodeproj/xcuserdata/yeaodong.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Bucket
3 |    type = "1"
4 |    version = "2.0">
5 | </Bucket>
6 | 


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/HFDownLoad.xcodeproj/xcuserdata/yeaodong.xcuserdatad/xcschemes/HFDownLoad.xcscheme:
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  1 | <?xml version="1.0" encoding="UTF-8"?>
  2 | <Scheme
  3 |    LastUpgradeVersion = "0710"
  4 |    version = "1.3">
  5 |    <BuildAction
  6 |       parallelizeBuildables = "YES"
  7 |       buildImplicitDependencies = "YES">
  8 |       <BuildActionEntries>
  9 |          <BuildActionEntry
 10 |             buildForTesting = "YES"
 11 |             buildForRunning = "YES"
 12 |             buildForProfiling = "YES"
 13 |             buildForArchiving = "YES"
 14 |             buildForAnalyzing = "YES">
 15 |             <BuildableReference
 16 |                BuildableIdentifier = "primary"
 17 |                BlueprintIdentifier = "C0BCDA611B9D21D200DFA53B"
 18 |                BuildableName = "HFDownLoad.app"
 19 |                BlueprintName = "HFDownLoad"
 20 |                ReferencedContainer = "container:HFDownLoad.xcodeproj">
 21 |             </BuildableReference>
 22 |          </BuildActionEntry>
 23 |          <BuildActionEntry
 24 |             buildForTesting = "YES"
 25 |             buildForRunning = "YES"
 26 |             buildForProfiling = "NO"
 27 |             buildForArchiving = "NO"
 28 |             buildForAnalyzing = "YES">
 29 |             <BuildableReference
 30 |                BuildableIdentifier = "primary"
 31 |                BlueprintIdentifier = "C0BCDA7A1B9D21D200DFA53B"
 32 |                BuildableName = "HFDownLoadTests.xctest"
 33 |                BlueprintName = "HFDownLoadTests"
 34 |                ReferencedContainer = "container:HFDownLoad.xcodeproj">
 35 |             </BuildableReference>
 36 |          </BuildActionEntry>
 37 |       </BuildActionEntries>
 38 |    </BuildAction>
 39 |    <TestAction
 40 |       buildConfiguration = "Debug"
 41 |       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
 42 |       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
 43 |       shouldUseLaunchSchemeArgsEnv = "YES">
 44 |       <Testables>
 45 |          <TestableReference
 46 |             skipped = "NO">
 47 |             <BuildableReference
 48 |                BuildableIdentifier = "primary"
 49 |                BlueprintIdentifier = "C0BCDA7A1B9D21D200DFA53B"
 50 |                BuildableName = "HFDownLoadTests.xctest"
 51 |                BlueprintName = "HFDownLoadTests"
 52 |                ReferencedContainer = "container:HFDownLoad.xcodeproj">
 53 |             </BuildableReference>
 54 |          </TestableReference>
 55 |       </Testables>
 56 |       <MacroExpansion>
 57 |          <BuildableReference
 58 |             BuildableIdentifier = "primary"
 59 |             BlueprintIdentifier = "C0BCDA611B9D21D200DFA53B"
 60 |             BuildableName = "HFDownLoad.app"
 61 |             BlueprintName = "HFDownLoad"
 62 |             ReferencedContainer = "container:HFDownLoad.xcodeproj">
 63 |          </BuildableReference>
 64 |       </MacroExpansion>
 65 |       <AdditionalOptions>
 66 |       </AdditionalOptions>
 67 |    </TestAction>
 68 |    <LaunchAction
 69 |       buildConfiguration = "Debug"
 70 |       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
 71 |       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
 72 |       launchStyle = "0"
 73 |       useCustomWorkingDirectory = "NO"
 74 |       ignoresPersistentStateOnLaunch = "NO"
 75 |       debugDocumentVersioning = "YES"
 76 |       debugServiceExtension = "internal"
 77 |       allowLocationSimulation = "YES">
 78 |       <BuildableProductRunnable
 79 |          runnableDebuggingMode = "0">
 80 |          <BuildableReference
 81 |             BuildableIdentifier = "primary"
 82 |             BlueprintIdentifier = "C0BCDA611B9D21D200DFA53B"
 83 |             BuildableName = "HFDownLoad.app"
 84 |             BlueprintName = "HFDownLoad"
 85 |             ReferencedContainer = "container:HFDownLoad.xcodeproj">
 86 |          </BuildableReference>
 87 |       </BuildableProductRunnable>
 88 |       <AdditionalOptions>
 89 |       </AdditionalOptions>
 90 |    </LaunchAction>
 91 |    <ProfileAction
 92 |       buildConfiguration = "Release"
 93 |       shouldUseLaunchSchemeArgsEnv = "YES"
 94 |       savedToolIdentifier = ""
 95 |       useCustomWorkingDirectory = "NO"
 96 |       debugDocumentVersioning = "YES">
 97 |       <BuildableProductRunnable
 98 |          runnableDebuggingMode = "0">
 99 |          <BuildableReference
100 |             BuildableIdentifier = "primary"
101 |             BlueprintIdentifier = "C0BCDA611B9D21D200DFA53B"
102 |             BuildableName = "HFDownLoad.app"
103 |             BlueprintName = "HFDownLoad"
104 |             ReferencedContainer = "container:HFDownLoad.xcodeproj">
105 |          </BuildableReference>
106 |       </BuildableProductRunnable>
107 |    </ProfileAction>
108 |    <AnalyzeAction
109 |       buildConfiguration = "Debug">
110 |    </AnalyzeAction>
111 |    <ArchiveAction
112 |       buildConfiguration = "Release"
113 |       revealArchiveInOrganizer = "YES">
114 |    </ArchiveAction>
115 | </Scheme>
116 | 


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/HFDownLoad.xcodeproj/xcuserdata/yeaodong.xcuserdatad/xcschemes/xcschememanagement.plist:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>SchemeUserState</key>
 6 | 	<dict>
 7 | 		<key>HFDownLoad.xcscheme</key>
 8 | 		<dict>
 9 | 			<key>orderHint</key>
10 | 			<integer>0</integer>
11 | 		</dict>
12 | 	</dict>
13 | 	<key>SuppressBuildableAutocreation</key>
14 | 	<dict>
15 | 		<key>C0BCDA611B9D21D200DFA53B</key>
16 | 		<dict>
17 | 			<key>primary</key>
18 | 			<true/>
19 | 		</dict>
20 | 		<key>C0BCDA7A1B9D21D200DFA53B</key>
21 | 		<dict>
22 | 			<key>primary</key>
23 | 			<true/>
24 | 		</dict>
25 | 	</dict>
26 | </dict>
27 | </plist>
28 | 


--------------------------------------------------------------------------------
/HFDownLoad/AppDelegate.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.h
 3 | //  HFDownLoad
 4 | //
 5 | //  Created by 洪峰 on 15/9/7.
 6 | //  Copyright (c) 2015年 洪峰. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface AppDelegate : UIResponder <UIApplicationDelegate>
12 | 
13 | @property (strong, nonatomic) UIWindow *window;
14 | 
15 | 
16 | @end
17 | 
18 | 


--------------------------------------------------------------------------------
/HFDownLoad/AppDelegate.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.m
 3 | //  HFDownLoad
 4 | //
 5 | //  Created by 洪峰 on 15/9/7.
 6 | //  Copyright (c) 2015年 洪峰. All rights reserved.
 7 | //
 8 | 
 9 | #import "AppDelegate.h"
10 | 
11 | @interface AppDelegate ()
12 | 
13 | @end
14 | 
15 | @implementation AppDelegate
16 | 
17 | 
18 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
19 |     // Override point for customization after application launch.
20 |     return YES;
21 | }
22 | 
23 | - (void)applicationWillResignActive:(UIApplication *)application {
24 |     // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
25 |     // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
26 | }
27 | 
28 | - (void)applicationDidEnterBackground:(UIApplication *)application {
29 |     // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
30 |     // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
31 | }
32 | 
33 | - (void)applicationWillEnterForeground:(UIApplication *)application {
34 |     // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
35 | }
36 | 
37 | - (void)applicationDidBecomeActive:(UIApplication *)application {
38 |     // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
39 | }
40 | 
41 | - (void)applicationWillTerminate:(UIApplication *)application {
42 |     // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
43 | }
44 | 
45 | @end
46 | 


--------------------------------------------------------------------------------
/HFDownLoad/Base.lproj/LaunchScreen.xib:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="6214" systemVersion="14A314h" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6207"/>
 5 |         <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
 6 |     </dependencies>
 7 |     <objects>
 8 |         <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
 9 |         <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
10 |         <view contentMode="scaleToFill" id="iN0-l3-epB">
11 |             <rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
12 |             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
13 |             <subviews>
14 |                 <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright (c) 2015年 洪峰. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
15 |                     <rect key="frame" x="20" y="439" width="441" height="21"/>
16 |                     <fontDescription key="fontDescription" type="system" pointSize="17"/>
17 |                     <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
18 |                     <nil key="highlightedColor"/>
19 |                 </label>
20 |                 <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="HFDownLoad" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="kId-c2-rCX">
21 |                     <rect key="frame" x="20" y="140" width="441" height="43"/>
22 |                     <fontDescription key="fontDescription" type="boldSystem" pointSize="36"/>
23 |                     <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
24 |                     <nil key="highlightedColor"/>
25 |                 </label>
26 |             </subviews>
27 |             <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
28 |             <constraints>
29 |                 <constraint firstItem="kId-c2-rCX" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="bottom" multiplier="1/3" constant="1" id="5cJ-9S-tgC"/>
30 |                 <constraint firstAttribute="centerX" secondItem="kId-c2-rCX" secondAttribute="centerX" id="Koa-jz-hwk"/>
31 |                 <constraint firstAttribute="bottom" secondItem="8ie-xW-0ye" secondAttribute="bottom" constant="20" id="Kzo-t9-V3l"/>
32 |                 <constraint firstItem="8ie-xW-0ye" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="MfP-vx-nX0"/>
33 |                 <constraint firstAttribute="centerX" secondItem="8ie-xW-0ye" secondAttribute="centerX" id="ZEH-qu-HZ9"/>
34 |                 <constraint firstItem="kId-c2-rCX" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="fvb-Df-36g"/>
35 |             </constraints>
36 |             <nil key="simulatedStatusBarMetrics"/>
37 |             <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
38 |             <point key="canvasLocation" x="548" y="455"/>
39 |         </view>
40 |     </objects>
41 | </document>
42 | 


--------------------------------------------------------------------------------
/HFDownLoad/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
  2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="7706" systemVersion="14C2513" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="IVp-gc-f3d">
  3 |     <dependencies>
  4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="7703"/>
  5 |     </dependencies>
  6 |     <scenes>
  7 |         <!--DownLoad-->
  8 |         <scene sceneID="tne-QT-ifu">
  9 |             <objects>
 10 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" sceneMemberID="viewController">
 11 |                     <layoutGuides>
 12 |                         <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
 13 |                         <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
 14 |                     </layoutGuides>
 15 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
 16 |                         <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
 17 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
 18 |                         <subviews>
 19 |                             <button opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="249" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="6dw-Sk-DcD">
 20 |                                 <rect key="frame" x="348" y="386" width="155" height="53"/>
 21 |                                 <color key="backgroundColor" red="0.49681715492226175" green="1" blue="0.89861264046595868" alpha="1" colorSpace="calibratedRGB"/>
 22 |                                 <fontDescription key="fontDescription" type="system" pointSize="13"/>
 23 |                                 <state key="normal" title="NSURLSession">
 24 |                                     <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
 25 |                                 </state>
 26 |                                 <variation key="widthClass=compact" fixedFrame="YES">
 27 |                                     <rect key="frame" x="211" y="411" width="173" height="48"/>
 28 |                                 </variation>
 29 |                                 <connections>
 30 |                                     <segue destination="waK-YJ-t1d" kind="push" id="J2a-mO-i1m"/>
 31 |                                 </connections>
 32 |                             </button>
 33 |                             <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="EsH-mU-gxu">
 34 |                                 <rect key="frame" x="91" y="386" width="155" height="53"/>
 35 |                                 <color key="backgroundColor" red="0.45480780216924588" green="1" blue="0.89872579094604577" alpha="1" colorSpace="calibratedRGB"/>
 36 |                                 <fontDescription key="fontDescription" type="system" pointSize="13"/>
 37 |                                 <state key="normal" title="NSURLConnection">
 38 |                                     <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
 39 |                                 </state>
 40 |                                 <variation key="widthClass=compact" fixedFrame="YES">
 41 |                                     <rect key="frame" x="9" y="411" width="180" height="50"/>
 42 |                                 </variation>
 43 |                                 <connections>
 44 |                                     <segue destination="VO1-S7-hHa" kind="push" id="KyP-jc-o9R"/>
 45 |                                 </connections>
 46 |                             </button>
 47 |                             <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="ysn-Ef-4qU">
 48 |                                 <rect key="frame" x="0.0" y="0.0" width="240" height="128"/>
 49 |                                 <variation key="widthClass=compact" fixedFrame="YES">
 50 |                                     <rect key="frame" x="55" y="102" width="292" height="244"/>
 51 |                                 </variation>
 52 |                             </imageView>
 53 |                         </subviews>
 54 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
 55 |                         <variation key="default">
 56 |                             <mask key="subviews">
 57 |                                 <exclude reference="ysn-Ef-4qU"/>
 58 |                             </mask>
 59 |                         </variation>
 60 |                         <variation key="widthClass=compact">
 61 |                             <mask key="subviews">
 62 |                                 <include reference="ysn-Ef-4qU"/>
 63 |                             </mask>
 64 |                         </variation>
 65 |                     </view>
 66 |                     <navigationItem key="navigationItem" title="DownLoad" id="sXp-K8-Ip5"/>
 67 |                     <connections>
 68 |                         <outlet property="imageView" destination="ysn-Ef-4qU" id="HJ0-3V-EAd"/>
 69 |                     </connections>
 70 |                 </viewController>
 71 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
 72 |             </objects>
 73 |             <point key="canvasLocation" x="988.5" y="238"/>
 74 |         </scene>
 75 |         <!--NSURLSession-->
 76 |         <scene sceneID="9Ir-qK-bL7">
 77 |             <objects>
 78 |                 <viewController id="waK-YJ-t1d" customClass="HFSession" sceneMemberID="viewController">
 79 |                     <layoutGuides>
 80 |                         <viewControllerLayoutGuide type="top" id="vot-T0-hSM"/>
 81 |                         <viewControllerLayoutGuide type="bottom" id="rip-Fd-oet"/>
 82 |                     </layoutGuides>
 83 |                     <view key="view" contentMode="scaleToFill" id="PL9-Xu-gdw">
 84 |                         <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
 85 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
 86 |                         <subviews>
 87 |                             <progressView opaque="NO" contentMode="scaleToFill" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="dLD-AM-fDn">
 88 |                                 <rect key="frame" x="0.0" y="-2" width="150" height="2"/>
 89 |                                 <variation key="widthClass=compact" fixedFrame="YES">
 90 |                                     <rect key="frame" x="57" y="147" width="287" height="2"/>
 91 |                                 </variation>
 92 |                             </progressView>
 93 |                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="当前没有下载任务" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="hp4-fK-9Qn">
 94 |                                 <rect key="frame" x="0.0" y="-21" width="42" height="21"/>
 95 |                                 <fontDescription key="fontDescription" type="system" pointSize="17"/>
 96 |                                 <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
 97 |                                 <nil key="highlightedColor"/>
 98 |                                 <variation key="widthClass=compact" fixedFrame="YES">
 99 |                                     <rect key="frame" x="57" y="189" width="287" height="21"/>
100 |                                 </variation>
101 |                             </label>
102 |                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="TXl-qX-U6S">
103 |                                 <rect key="frame" x="-23" y="-15" width="46" height="30"/>
104 |                                 <state key="normal" backgroundImage="start">
105 |                                     <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
106 |                                 </state>
107 |                                 <state key="selected" backgroundImage="pause"/>
108 |                                 <variation key="widthClass=compact" fixedFrame="YES">
109 |                                     <rect key="frame" x="162" y="373" width="80" height="80"/>
110 |                                 </variation>
111 |                                 <connections>
112 |                                     <action selector="btnClicked:" destination="VO1-S7-hHa" eventType="touchUpInside" id="fDX-ij-vlS"/>
113 |                                     <action selector="btnClicked:" destination="waK-YJ-t1d" eventType="touchUpInside" id="qbw-86-2Bv"/>
114 |                                 </connections>
115 |                             </button>
116 |                         </subviews>
117 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
118 |                         <variation key="default">
119 |                             <mask key="subviews">
120 |                                 <exclude reference="dLD-AM-fDn"/>
121 |                                 <exclude reference="hp4-fK-9Qn"/>
122 |                                 <exclude reference="TXl-qX-U6S"/>
123 |                             </mask>
124 |                         </variation>
125 |                         <variation key="widthClass=compact">
126 |                             <mask key="subviews">
127 |                                 <include reference="dLD-AM-fDn"/>
128 |                                 <include reference="hp4-fK-9Qn"/>
129 |                                 <include reference="TXl-qX-U6S"/>
130 |                             </mask>
131 |                         </variation>
132 |                     </view>
133 |                     <navigationItem key="navigationItem" title="NSURLSession" id="Taa-Q5-1im"/>
134 |                     <connections>
135 |                         <outlet property="myPregress" destination="dLD-AM-fDn" id="gxQ-OS-D39"/>
136 |                         <outlet property="pgLabel" destination="hp4-fK-9Qn" id="VnT-S4-0qa"/>
137 |                     </connections>
138 |                 </viewController>
139 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="XLC-jd-djk" userLabel="First Responder" sceneMemberID="firstResponder"/>
140 |             </objects>
141 |             <point key="canvasLocation" x="1839" y="754"/>
142 |         </scene>
143 |         <!--NSURLConnection-->
144 |         <scene sceneID="aGI-9T-eXm">
145 |             <objects>
146 |                 <viewController id="VO1-S7-hHa" customClass="HFConnection" sceneMemberID="viewController">
147 |                     <layoutGuides>
148 |                         <viewControllerLayoutGuide type="top" id="1Cd-Vv-Lgw"/>
149 |                         <viewControllerLayoutGuide type="bottom" id="g2g-PA-bgs"/>
150 |                     </layoutGuides>
151 |                     <view key="view" contentMode="scaleToFill" id="B9o-I6-tMo">
152 |                         <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
153 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
154 |                         <subviews>
155 |                             <progressView opaque="NO" contentMode="scaleToFill" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="5XG-Ln-ugr">
156 |                                 <rect key="frame" x="0.0" y="-2" width="150" height="2"/>
157 |                                 <variation key="widthClass=compact" fixedFrame="YES">
158 |                                     <rect key="frame" x="55" y="151" width="287" height="2"/>
159 |                                 </variation>
160 |                             </progressView>
161 |                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="当前没有下载任务" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="A9e-Jm-2yF">
162 |                                 <rect key="frame" x="0.0" y="-21" width="42" height="21"/>
163 |                                 <fontDescription key="fontDescription" type="system" pointSize="17"/>
164 |                                 <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
165 |                                 <nil key="highlightedColor"/>
166 |                                 <variation key="widthClass=compact" fixedFrame="YES">
167 |                                     <rect key="frame" x="55" y="193" width="287" height="21"/>
168 |                                 </variation>
169 |                             </label>
170 |                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="8Qb-tD-lBj">
171 |                                 <rect key="frame" x="-23" y="-15" width="46" height="30"/>
172 |                                 <state key="normal" backgroundImage="start">
173 |                                     <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
174 |                                 </state>
175 |                                 <state key="selected" backgroundImage="pause"/>
176 |                                 <variation key="widthClass=compact" fixedFrame="YES">
177 |                                     <rect key="frame" x="160" y="377" width="80" height="80"/>
178 |                                 </variation>
179 |                                 <connections>
180 |                                     <action selector="btnClicked:" destination="VO1-S7-hHa" eventType="touchUpInside" id="uTF-i5-TLo"/>
181 |                                 </connections>
182 |                             </button>
183 |                         </subviews>
184 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
185 |                         <variation key="default">
186 |                             <mask key="subviews">
187 |                                 <exclude reference="5XG-Ln-ugr"/>
188 |                                 <exclude reference="A9e-Jm-2yF"/>
189 |                                 <exclude reference="8Qb-tD-lBj"/>
190 |                             </mask>
191 |                         </variation>
192 |                         <variation key="widthClass=compact">
193 |                             <mask key="subviews">
194 |                                 <include reference="5XG-Ln-ugr"/>
195 |                                 <include reference="A9e-Jm-2yF"/>
196 |                                 <include reference="8Qb-tD-lBj"/>
197 |                             </mask>
198 |                         </variation>
199 |                     </view>
200 |                     <navigationItem key="navigationItem" title="NSURLConnection" id="mUV-sO-G4A"/>
201 |                     <connections>
202 |                         <outlet property="myPregress" destination="5XG-Ln-ugr" id="fju-VB-fP0"/>
203 |                         <outlet property="pgLabel" destination="A9e-Jm-2yF" id="oxV-yJ-vsd"/>
204 |                     </connections>
205 |                 </viewController>
206 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="3re-qA-Xyn" userLabel="First Responder" sceneMemberID="firstResponder"/>
207 |             </objects>
208 |             <point key="canvasLocation" x="1839" y="50"/>
209 |         </scene>
210 |         <!--Navigation Controller-->
211 |         <scene sceneID="m4k-LI-FXQ">
212 |             <objects>
213 |                 <navigationController automaticallyAdjustsScrollViewInsets="NO" id="IVp-gc-f3d" sceneMemberID="viewController">
214 |                     <toolbarItems/>
215 |                     <navigationBar key="navigationBar" contentMode="scaleToFill" id="W5W-EH-8NR">
216 |                         <rect key="frame" x="0.0" y="0.0" width="320" height="44"/>
217 |                         <autoresizingMask key="autoresizingMask"/>
218 |                     </navigationBar>
219 |                     <nil name="viewControllers"/>
220 |                     <connections>
221 |                         <segue destination="BYZ-38-t0r" kind="relationship" relationship="rootViewController" id="scn-7V-vIK"/>
222 |                     </connections>
223 |                 </navigationController>
224 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iaS-dC-CMa" userLabel="First Responder" sceneMemberID="firstResponder"/>
225 |             </objects>
226 |             <point key="canvasLocation" x="367.5" y="376.5"/>
227 |         </scene>
228 |     </scenes>
229 |     <resources>
230 |         <image name="pause" width="96" height="96"/>
231 |         <image name="start" width="96" height="96"/>
232 |     </resources>
233 | </document>
234 | 


--------------------------------------------------------------------------------
/HFDownLoad/HFConnection.h:
--------------------------------------------------------------------------------
 1 | /**
 2 |  *
 3 |  *                 Created by 洪峰 on 15/9/7.
 4 |  *                 Copyright (c) 2015年 洪峰. All rights reserved.
 5 |  *
 6 |  *                #####################################################
 7 |  *                #                                                   #
 8 |  *                #                       _oo0oo_                     #
 9 |  *                #                      o8888888o                    #
10 |  *                #                      88" . "88                    #
11 |  *                #                      (| -_- |)                    #
12 |  *                #                      0\  =  /0                    #
13 |  *                #                    ___/`---'\___                  #
14 |  *                #                  .' \\|     |# '.                 #
15 |  *                #                 / \\|||  :  |||# \                #
16 |  *                #                / _||||| -:- |||||- \              #
17 |  *                #               |   | \\\  -  #/ |   |              #
18 |  *                #               | \_|  ''\---/''  |_/ |             #
19 |  *                #               \  .-\__  '-'  ___/-. /             #
20 |  *                #             ___'. .'  /--.--\  `. .'___           #
21 |  *                #          ."" '<  `.___\_<|>_/___.' >' "".         #
22 |  *                #         | | :  `- \`.;`\ _ /`;.`/ - ` : | |       #
23 |  *                #         \  \ `_.   \_ __\ /__ _/   .-` /  /       #
24 |  *                #     =====`-.____`.___ \_____/___.-`___.-'=====    #
25 |  *                #                       `=---='                     #
26 |  *                #     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~   #
27 |  *                #                                                   #
28 |  *                #               佛祖保佑         永无BUG              #
29 |  *                #                                                   #
30 |  *                #####################################################
31 |  *
32 |  *                 新浪微博:http://weibo.com/hongfenglt
33 |  *                 博客地址:http://blog.csdn.net/hongfengkt
34 |  */
35 | //                 HFDownLoad
36 | //                 HFConnection.h
37 | //
38 | 
39 | #import <UIKit/UIKit.h>
40 | 
41 | @interface HFConnection : UIViewController
42 | 
43 | @end
44 | 


--------------------------------------------------------------------------------
/HFDownLoad/HFConnection.m:
--------------------------------------------------------------------------------
  1 | /**
  2 |  *
  3 |  *                 Created by 洪峰 on 15/9/7.
  4 |  *                 Copyright (c) 2015年 洪峰. All rights reserved.
  5 |  *
  6 |  *                 新浪微博:http://weibo.com/hongfenglt
  7 |  *                 博客地址:http://blog.csdn.net/hongfengkt
  8 |  */
  9 | //                 HFDownLoad
 10 | //                 HFConnection.m
 11 | //
 12 | 
 13 | #import "HFConnection.h"
 14 | 
 15 | @interface HFConnection ()<NSURLConnectionDataDelegate>
 16 | 
 17 | @property (weak, nonatomic) IBOutlet UILabel *pgLabel;
 18 | 
 19 | @property (weak, nonatomic) IBOutlet UIProgressView *myPregress;
 20 | 
 21 | /**
 22 |  *  用来写数据的文件句柄对象
 23 |  */
 24 | @property (nonatomic, strong) NSFileHandle *writeHandle;
 25 | 
 26 | /**
 27 |  *  文件的总长度
 28 |  */
 29 | @property (nonatomic, assign) long long totalLength;
 30 | /**
 31 |  *  当前已经写入的总大小
 32 |  */
 33 | @property (nonatomic, assign) long long  currentLength;
 34 | /**
 35 |  *  连接对象
 36 |  */
 37 | @property (nonatomic, strong) NSURLConnection *connection;
 38 | @end
 39 | 
 40 | @implementation HFConnection
 41 | 
 42 | - (void)viewDidLoad {
 43 |     [super viewDidLoad];
 44 |     
 45 |     NSLog(@"sandbox:%@",NSHomeDirectory());
 46 |     
 47 | //    [self download];
 48 | }
 49 | 
 50 | - (void)download
 51 | {
 52 |     // 创建URL
 53 |     //    NSURL* url = [NSURL URLWithString:@"http://dlsw.baidu.com/sw-search-sp/soft/10/25851/jdk-8u40-macosx-x64.1427945120.dmg"];
 54 |     NSURL* url = [NSURL URLWithString:@"http://dlsw.baidu.com/sw-search-sp/soft/9d/25765/sogou_mac_32c_V3.2.0.1437101586.dmg"];
 55 |     // 创建请求
 56 |     NSURLRequest* request = [NSURLRequest requestWithURL:url];
 57 |     // 发送请求去下载 (创建完conn对象后，会自动发起一个异步请求)
 58 |     [NSURLConnection connectionWithRequest:request delegate:self];
 59 | }
 60 | 
 61 | 
 62 | #pragma mark - NSURLConnectionDataDelegate代理方法
 63 | 
 64 | /**
 65 |  *  请求失败时调用（请求超时、网络异常）
 66 |  *
 67 |  *  @param error      错误原因
 68 |  */
 69 | - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
 70 | {
 71 |     
 72 | }
 73 | /**
 74 |  *  1.接收到服务器的响应就会调用
 75 |  *
 76 |  *  @param response   响应
 77 |  */
 78 | - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
 79 | {
 80 |     // 如果文件已经存在，不执行以下操作
 81 |     if (self.currentLength) return;
 82 |     // 文件路径
 83 |     NSString* ceches = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
 84 |     NSString* filepath = [ceches stringByAppendingPathComponent:response.suggestedFilename];
 85 |     
 86 |     // 创建一个空的文件到沙盒中
 87 |     NSFileManager* mgr = [NSFileManager defaultManager];
 88 |     [mgr createFileAtPath:filepath contents:nil attributes:nil];
 89 |     
 90 |     // 创建一个用来写数据的文件句柄对象
 91 |     self.writeHandle = [NSFileHandle fileHandleForWritingAtPath:filepath];
 92 |     
 93 |     // 获得文件的总大小
 94 |     self.totalLength = response.expectedContentLength;
 95 | 
 96 | }
 97 | /**
 98 |  *  2.当接收到服务器返回的实体数据时调用（具体内容，这个方法可能会被调用多次）
 99 |  *
100 |  *  @param data       这次返回的数据
101 |  */
102 | - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
103 | {
104 |     // 移动到文件的最后面
105 |     [self.writeHandle seekToEndOfFile];
106 |     
107 |     // 将数据写入沙盒
108 |     [self.writeHandle writeData:data];
109 |     
110 |     // 累计写入文件的长度
111 |     self.currentLength += data.length;
112 |     
113 |     // 下载进度
114 |     self.myPregress.progress = (double)self.currentLength / self.totalLength;
115 |     
116 |     self.pgLabel.text = [NSString stringWithFormat:@"当前下载进度:%f",(double)self.currentLength / self.totalLength];
117 | }
118 | /**
119 |  *  3.加载完毕后调用（服务器的数据已经完全返回后）
120 |  */
121 | - (void)connectionDidFinishLoading:(NSURLConnection *)connection
122 | {
123 |     [[[UIAlertView alloc] initWithTitle:@"下载完成" message:@"已成功下载文件" delegate:self cancelButtonTitle:@"知道了" otherButtonTitles: nil] show];
124 |     
125 |     
126 |     
127 |     self.currentLength = 0;
128 |     self.totalLength = 0;
129 |     
130 |     // 关闭文件
131 |     [self.writeHandle closeFile];
132 |     self.writeHandle = nil;
133 | }
134 | 
135 | #pragma mark --按钮点击事件
136 | 
137 | - (IBAction)btnClicked:(UIButton *)sender {
138 |     
139 |     // 状态取反
140 |     sender.selected = !sender.isSelected;
141 |     
142 |     // 断点续传
143 |     // 断点下载
144 |     
145 |     if (sender.selected) { // 继续（开始）下载
146 |         // 1.URL
147 | //        NSURL* url = [NSURL URLWithString:@"http://localhost:8080/shudai99/resources/The_Fixer.mp4"];
148 |          NSURL* url = [NSURL URLWithString:@"http://dlsw.baidu.com/sw-search-sp/soft/9d/25765/sogou_mac_32c_V3.2.0.1437101586.dmg"];
149 |         // 2.请求
150 |         NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
151 |         
152 |         // 设置请求头
153 |         NSString *range = [NSString stringWithFormat:@"bytes=%lld-", self.currentLength];
154 |         [request setValue:range forHTTPHeaderField:@"Range"];
155 |         
156 |         // 3.下载
157 |         self.connection = [NSURLConnection connectionWithRequest:request delegate:self];
158 |     } else { // 暂停
159 |         
160 |         [self.connection cancel];
161 |         self.connection = nil;
162 |     }
163 | }
164 | 
165 | @end
166 | 


--------------------------------------------------------------------------------
/HFDownLoad/HFSession.h:
--------------------------------------------------------------------------------
 1 | /**
 2 |  *
 3 |  *                 Created by 洪峰 on 15/9/7.
 4 |  *                 Copyright (c) 2015年 洪峰. All rights reserved.
 5 |  *
 6 |  *                #####################################################
 7 |  *                #                                                   #
 8 |  *                #                       _oo0oo_                     #
 9 |  *                #                      o8888888o                    #
10 |  *                #                      88" . "88                    #
11 |  *                #                      (| -_- |)                    #
12 |  *                #                      0\  =  /0                    #
13 |  *                #                    ___/`---'\___                  #
14 |  *                #                  .' \\|     |# '.                 #
15 |  *                #                 / \\|||  :  |||# \                #
16 |  *                #                / _||||| -:- |||||- \              #
17 |  *                #               |   | \\\  -  #/ |   |              #
18 |  *                #               | \_|  ''\---/''  |_/ |             #
19 |  *                #               \  .-\__  '-'  ___/-. /             #
20 |  *                #             ___'. .'  /--.--\  `. .'___           #
21 |  *                #          ."" '<  `.___\_<|>_/___.' >' "".         #
22 |  *                #         | | :  `- \`.;`\ _ /`;.`/ - ` : | |       #
23 |  *                #         \  \ `_.   \_ __\ /__ _/   .-` /  /       #
24 |  *                #     =====`-.____`.___ \_____/___.-`___.-'=====    #
25 |  *                #                       `=---='                     #
26 |  *                #     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~   #
27 |  *                #                                                   #
28 |  *                #               佛祖保佑         永无BUG              #
29 |  *                #                                                   #
30 |  *                #####################################################
31 |  *
32 |  *                 新浪微博:http://weibo.com/hongfenglt
33 |  *                 博客地址:http://blog.csdn.net/hongfengkt
34 |  */
35 | //                 HFDownLoad
36 | //                 HFSession.h
37 | //
38 | 
39 | #import <UIKit/UIKit.h>
40 | 
41 | @interface HFSession : UIViewController
42 | 
43 | @end
44 | 


--------------------------------------------------------------------------------
/HFDownLoad/HFSession.m:
--------------------------------------------------------------------------------
  1 | /**
  2 |  *
  3 |  *                 Created by 洪峰 on 15/9/7.
  4 |  *                 Copyright (c) 2015年 洪峰. All rights reserved.
  5 |  *
  6 |  *                 新浪微博:http://weibo.com/hongfenglt
  7 |  *                 博客地址:http://blog.csdn.net/hongfengkt
  8 |  */
  9 | //                 HFDownLoad
 10 | //                 HFSession.m
 11 | //
 12 | 
 13 | #import "HFSession.h"
 14 | 
 15 | @interface HFSession () <NSURLSessionDownloadDelegate>
 16 | 
 17 | @property (weak, nonatomic) IBOutlet UILabel *pgLabel;
 18 | 
 19 | @property (weak, nonatomic) IBOutlet UIProgressView *myPregress;
 20 | /**
 21 |  *  下载任务
 22 |  */
 23 | @property (nonatomic, strong) NSURLSessionDownloadTask* downloadTask;
 24 | /**
 25 |  *  resumeData记录下载位置
 26 |  */
 27 | @property (nonatomic, strong) NSData* resumeData;
 28 | /**
 29 |  *  session
 30 |  */
 31 | @property (nonatomic, strong) NSURLSession* session;
 32 | 
 33 | @end
 34 | 
 35 | @implementation HFSession
 36 | /**
 37 |  *  session的懒加载
 38 |  */
 39 | - (NSURLSession *)session
 40 | {
 41 |     if (nil == _session) {
 42 |         
 43 |         NSURLSessionConfiguration *cfg = [NSURLSessionConfiguration defaultSessionConfiguration];
 44 |         self.session = [NSURLSession sessionWithConfiguration:cfg delegate:self delegateQueue:[NSOperationQueue mainQueue]];
 45 |     }
 46 |     return _session;
 47 | }
 48 | 
 49 | - (void)viewDidLoad {
 50 |     [super viewDidLoad];
 51 |     // Do any additional setup after loading the view.
 52 |  
 53 | }
 54 | /**
 55 |  *  从0开始下载
 56 |  */
 57 | - (void)startDownload
 58 | {
 59 | #warning 使用我们自己服务器的地址执行断点下载没问题，但是百度软件的下载链接不成功，应该是百度服务器做了限制吧，或者我写的不完美，有想法欢迎交流
 60 | //    NSURL* url = [NSURL URLWithString:@"http://localhost:8080/shudai99/resources/The_Fixer.mp4"];
 61 |     NSURL* url = [NSURL URLWithString:@"http://dlsw.baidu.com/sw-search-sp/soft/9d/25765/sogou_mac_32c_V3.2.0.1437101586.dmg"];
 62 |     
 63 |     // 创建任务
 64 |     self.downloadTask = [self.session downloadTaskWithURL:url];
 65 | 
 66 |     // 开始任务
 67 |     [self.downloadTask resume];
 68 | }
 69 | 
 70 | /**
 71 |  *  恢复下载
 72 |  */
 73 | 
 74 | - (void)resume
 75 | {
 76 |      // 传入上次暂停下载返回的数据，就可以恢复下载
 77 |     self.downloadTask = [self.session downloadTaskWithResumeData:self.resumeData];
 78 |     
 79 |     [self.downloadTask resume]; // 开始任务
 80 |     
 81 |     self.resumeData = nil;
 82 | }
 83 | 
 84 | /**
 85 |  *  暂停
 86 |  */
 87 | - (void)pause
 88 | {
 89 |     __weak typeof(self) selfVc = self;
 90 |     [self.downloadTask cancelByProducingResumeData:^(NSData *resumeData) {
 91 |         //  resumeData : 包含了继续下载的开始位置\下载的url
 92 |         selfVc.resumeData = resumeData;
 93 |         selfVc.downloadTask = nil;
 94 |     }];
 95 | }
 96 | 
 97 | #pragma mark -- NSURLSessionDownloadDelegate
 98 | /**
 99 |  *  下载完毕会调用
100 |  *
101 |  *  @param location     文件临时地址
102 |  */
103 | - (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask
104 | didFinishDownloadingToURL:(NSURL *)location
105 | {
106 |     NSString *caches = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
107 |     // response.suggestedFilename ： 建议使用的文件名，一般跟服务器端的文件名一致
108 |     NSString *file = [caches stringByAppendingPathComponent:downloadTask.response.suggestedFilename];
109 |     
110 |     // 将临时文件剪切或者复制Caches文件夹
111 |     NSFileManager *mgr = [NSFileManager defaultManager];
112 |     
113 |     // AtPath : 剪切前的文件路径
114 |     // ToPath : 剪切后的文件路径
115 |     [mgr moveItemAtPath:location.path toPath:file error:nil];
116 |     
117 |     // 提示下载完成
118 |     [[[UIAlertView alloc] initWithTitle:@"下载完成" message:downloadTask.response.suggestedFilename delegate:self cancelButtonTitle:@"知道了" otherButtonTitles: nil] show];
119 | }
120 | 
121 | /**
122 |  *  每次写入沙盒完毕调用
123 |  *  在这里面监听下载进度，totalBytesWritten/totalBytesExpectedToWrite
124 |  *
125 |  *  @param bytesWritten              这次写入的大小
126 |  *  @param totalBytesWritten         已经写入沙盒的大小
127 |  *  @param totalBytesExpectedToWrite 文件总大小
128 |  */
129 | - (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask
130 |       didWriteData:(int64_t)bytesWritten
131 |  totalBytesWritten:(int64_t)totalBytesWritten
132 | totalBytesExpectedToWrite:(int64_t)totalBytesExpectedToWrite
133 | {
134 |     self.myPregress.progress = (double)totalBytesWritten/totalBytesExpectedToWrite;
135 |     self.pgLabel.text = [NSString stringWithFormat:@"下载进度:%f",(double)totalBytesWritten/totalBytesExpectedToWrite];
136 | }
137 | 
138 | /**
139 |  *  恢复下载后调用，
140 |  */
141 | - (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask
142 |  didResumeAtOffset:(int64_t)fileOffset
143 | expectedTotalBytes:(int64_t)expectedTotalBytes
144 | {
145 |     
146 | }
147 | 
148 | #pragma mark --按钮点击事件
149 | 
150 | - (IBAction)btnClicked:(UIButton *)sender {
151 |     
152 |     // 按钮状态取反
153 |     sender.selected = !sender.isSelected;
154 |     
155 |     if (nil == self.downloadTask) { // 开始（继续）下载
156 |         if (self.resumeData) { // 继续下载
157 |             [self resume];
158 |         }else{ // 从0开始下载
159 |             [self startDownload];
160 |         }
161 |         
162 |     }else{ // 暂停
163 |         [self pause];
164 |     }
165 |     
166 | }
167 | 
168 | 
169 | - (void)didReceiveMemoryWarning {
170 |     [super didReceiveMemoryWarning];
171 |     // Dispose of any resources that can be recreated.
172 | }
173 | 
174 | /**
175 |  *  Sesstion 简单执行下载
176 |  */
177 | - (void)SesstionDownLoad
178 | {
179 |     NSURL* url = [NSURL URLWithString:@"http://dlsw.baidu.com/sw-search-sp/soft/9d/25765/sogou_mac_32c_V3.2.0.1437101586.dmg"];
180 |     
181 |     // 得到session对象
182 |     NSURLSession* session = [NSURLSession sharedSession];
183 |     
184 |     // 创建任务
185 |     NSURLSessionDownloadTask* downloadTask = [session downloadTaskWithURL:url completionHandler:^(NSURL *location, NSURLResponse *response, NSError *error) {
186 |         // location : 临时文件的路径（下载好的文件）
187 |         
188 |         NSString *caches = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
189 |         // response.suggestedFilename ： 建议使用的文件名，一般跟服务器端的文件名一致
190 |         NSString *file = [caches stringByAppendingPathComponent:response.suggestedFilename];
191 |         
192 |         // 将临时文件剪切或者复制Caches文件夹
193 |         NSFileManager *mgr = [NSFileManager defaultManager];
194 |         
195 |         // AtPath : 剪切前的文件路径
196 |         // ToPath : 剪切后的文件路径
197 |         [mgr moveItemAtPath:location.path toPath:file error:nil];
198 |     }];
199 |     
200 |     // 开始任务
201 |     [downloadTask resume];
202 | }
203 | 
204 | /**
205 |  *  NSURLSession简单使用
206 |  */
207 | - (void)sessiondemo
208 | {
209 |     // 1.得到session对象
210 |     NSURLSession* session = [NSURLSession sharedSession];
211 |     NSURL* url = [NSURL URLWithString:@""];
212 |     
213 |     // 2.创建一个task，任务
214 |     NSURLSessionDataTask* dataTask = [session dataTaskWithURL:url completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
215 |         // data 为返回数据
216 |     }];
217 |     
218 |     // 发送POST
219 | //    [session dataTaskWithRequest:<#(NSURLRequest *)#> completionHandler:<#^(NSData *data, NSURLResponse *response, NSError *error)completionHandler#>]
220 |     
221 |     // 3.开始任务
222 |     [dataTask resume];
223 | }
224 | 
225 | @end
226 | 


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/HFDownLoad/Images.xcassets/AppIcon.appiconset/Contents.json:
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 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "size" : "29x29",
 6 |       "scale" : "2x"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "size" : "29x29",
11 |       "scale" : "3x"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "size" : "40x40",
16 |       "scale" : "2x"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "size" : "40x40",
21 |       "scale" : "3x"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "size" : "60x60",
26 |       "scale" : "2x"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "size" : "60x60",
31 |       "scale" : "3x"
32 |     },
33 |     {
34 |       "idiom" : "ipad",
35 |       "size" : "29x29",
36 |       "scale" : "1x"
37 |     },
38 |     {
39 |       "idiom" : "ipad",
40 |       "size" : "29x29",
41 |       "scale" : "2x"
42 |     },
43 |     {
44 |       "idiom" : "ipad",
45 |       "size" : "40x40",
46 |       "scale" : "1x"
47 |     },
48 |     {
49 |       "idiom" : "ipad",
50 |       "size" : "40x40",
51 |       "scale" : "2x"
52 |     },
53 |     {
54 |       "idiom" : "ipad",
55 |       "size" : "76x76",
56 |       "scale" : "1x"
57 |     },
58 |     {
59 |       "idiom" : "ipad",
60 |       "size" : "76x76",
61 |       "scale" : "2x"
62 |     }
63 |   ],
64 |   "info" : {
65 |     "version" : 1,
66 |     "author" : "xcode"
67 |   }
68 | }


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/HFDownLoad/Images.xcassets/pause.imageset/Contents.json:
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 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "universal",
 5 |       "scale" : "1x",
 6 |       "filename" : "pause.png"
 7 |     },
 8 |     {
 9 |       "idiom" : "universal",
10 |       "scale" : "2x"
11 |     },
12 |     {
13 |       "idiom" : "universal",
14 |       "scale" : "3x"
15 |     }
16 |   ],
17 |   "info" : {
18 |     "version" : 1,
19 |     "author" : "xcode"
20 |   }
21 | }


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/HFDownLoad/Images.xcassets/pause.imageset/pause.png:
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https://raw.githubusercontent.com/hongfenglt/HFDownLoad/96a94a65598a61343d94fa13fd7059612b761fd4/HFDownLoad/Images.xcassets/pause.imageset/pause.png


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/HFDownLoad/Images.xcassets/start.imageset/Contents.json:
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 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "universal",
 5 |       "scale" : "1x",
 6 |       "filename" : "start.png"
 7 |     },
 8 |     {
 9 |       "idiom" : "universal",
10 |       "scale" : "2x"
11 |     },
12 |     {
13 |       "idiom" : "universal",
14 |       "scale" : "3x"
15 |     }
16 |   ],
17 |   "info" : {
18 |     "version" : 1,
19 |     "author" : "xcode"
20 |   }
21 | }


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/HFDownLoad/Images.xcassets/start.imageset/start.png:
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https://raw.githubusercontent.com/hongfenglt/HFDownLoad/96a94a65598a61343d94fa13fd7059612b761fd4/HFDownLoad/Images.xcassets/start.imageset/start.png


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/HFDownLoad/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>APPL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleSignature</key>
20 | 	<string>????</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>1</string>
23 | 	<key>LSRequiresIPhoneOS</key>
24 | 	<true/>
25 | 	<key>NSAppTransportSecurity</key>
26 | 	<dict>
27 | 		<key>NSAllowsArbitraryLoads</key>
28 | 		<true/>
29 | 	</dict>
30 | 	<key>UILaunchStoryboardName</key>
31 | 	<string>LaunchScreen</string>
32 | 	<key>UIMainStoryboardFile</key>
33 | 	<string>Main</string>
34 | 	<key>UIRequiredDeviceCapabilities</key>
35 | 	<array>
36 | 		<string>armv7</string>
37 | 	</array>
38 | 	<key>UISupportedInterfaceOrientations</key>
39 | 	<array>
40 | 		<string>UIInterfaceOrientationPortrait</string>
41 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
42 | 		<string>UIInterfaceOrientationLandscapeRight</string>
43 | 	</array>
44 | 	<key>UISupportedInterfaceOrientations~ipad</key>
45 | 	<array>
46 | 		<string>UIInterfaceOrientationPortrait</string>
47 | 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
48 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
49 | 		<string>UIInterfaceOrientationLandscapeRight</string>
50 | 	</array>
51 | </dict>
52 | </plist>
53 | 


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/HFDownLoad/ViewController.h:
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 1 | //
 2 | //  ViewController.h
 3 | //  HFDownLoad
 4 | //
 5 | //  Created by 洪峰 on 15/9/7.
 6 | //  Copyright (c) 2015年 洪峰. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface ViewController : UIViewController
12 | 
13 | 
14 | @end
15 | 
16 | 


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/HFDownLoad/ViewController.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.m
 3 | //  HFDownLoad
 4 | //
 5 | //  Created by 洪峰 on 15/9/7.
 6 | //  Copyright (c) 2015年 洪峰. All rights reserved.
 7 | //
 8 | 
 9 | #import "ViewController.h"
10 | 
11 | @interface ViewController ()
12 | @property (weak, nonatomic) IBOutlet UIImageView *imageView;
13 | 
14 | @end
15 | 
16 | @implementation ViewController
17 | 
18 | - (void)viewDidLoad {
19 |     [super viewDidLoad];
20 |     NSLog(@"sandbox:%@",NSHomeDirectory());
21 |    
22 |     // 小文件下载方式
23 |     // 1.NSData dataWithContentsOfURL
24 |     // 2.NSURLConnection
25 | 
26 |     NSURL* url = [NSURL URLWithString:@"https://picjumbo.imgix.net/HNCK8461.jpg?q=40&w=1650&sharp=30"];
27 |     
28 | //    [self downloadImageWithUrl:url];
29 |     [self downloadImage2WithUrl:url];
30 | }
31 | 
32 | /**
33 |  *  NSData dataWithContentsOfURL 下载文件
34 |  */
35 | - (void)downloadImageWithUrl:(NSURL *)url
36 | {
37 |     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
38 |         
39 |         // 其实是发送一个Get 请求
40 |         NSData* data = [NSData dataWithContentsOfURL:url];
41 |         
42 |         // 回到主线程刷新UI
43 |         dispatch_async(dispatch_get_main_queue(), ^{
44 |             
45 |             self.imageView.image = [UIImage imageWithData:data];
46 |         });
47 |     });
48 | }
49 | 
50 | /**
51 |  *  NSURLConnection 下载文件
52 |  */
53 | - (void)downloadImage2WithUrl:(NSURL *)url
54 | {
55 |     [NSURLConnection sendAsynchronousRequest:[NSURLRequest requestWithURL:url] queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
56 |         
57 |         self.imageView.image = [UIImage imageWithData:data];
58 |     }];
59 | }
60 | 
61 | - (void)didReceiveMemoryWarning {
62 |     [super didReceiveMemoryWarning];
63 |     // Dispose of any resources that can be recreated.
64 | }
65 | 
66 | @end
67 | 


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/HFDownLoad/main.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  main.m
 3 | //  HFDownLoad
 4 | //
 5 | //  Created by 洪峰 on 15/9/7.
 6 | //  Copyright (c) 2015年 洪峰. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | #import "AppDelegate.h"
11 | 
12 | int main(int argc, char * argv[]) {
13 |     @autoreleasepool {
14 |         return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
15 |     }
16 | }
17 | 


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/HFDownLoadTests/HFDownLoadTests.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  HFDownLoadTests.m
 3 | //  HFDownLoadTests
 4 | //
 5 | //  Created by 洪峰 on 15/9/7.
 6 | //  Copyright (c) 2015年 洪峰. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | #import <XCTest/XCTest.h>
11 | 
12 | @interface HFDownLoadTests : XCTestCase
13 | 
14 | @end
15 | 
16 | @implementation HFDownLoadTests
17 | 
18 | - (void)setUp {
19 |     [super setUp];
20 |     // Put setup code here. This method is called before the invocation of each test method in the class.
21 | }
22 | 
23 | - (void)tearDown {
24 |     // Put teardown code here. This method is called after the invocation of each test method in the class.
25 |     [super tearDown];
26 | }
27 | 
28 | - (void)testExample {
29 |     // This is an example of a functional test case.
30 |     XCTAssert(YES, @"Pass");
31 | }
32 | 
33 | - (void)testPerformanceExample {
34 |     // This is an example of a performance test case.
35 |     [self measureBlock:^{
36 |         // Put the code you want to measure the time of here.
37 |     }];
38 | }
39 | 
40 | @end
41 | 


--------------------------------------------------------------------------------
/HFDownLoadTests/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>BNDL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleSignature</key>
20 | 	<string>????</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>1</string>
23 | </dict>
24 | </plist>
25 | 


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/README.md:
--------------------------------------------------------------------------------
1 | # HFDownloadDemo
2 | 
3 | ![](http://img.blog.csdn.net/20150910174721232)
4 | 
5 | 实例程序包含NSURLConnection 发请求、小文件下载、大文件下载、断点下载
6 |           NSRULSession 发请求，小文件下载、大文件下载、断点下载等操作示例
7 | 
8 | 关于两种下载方式具体的思路、区别见Blog:http://blog.csdn.net/hongfengkt/article/details/48290561


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