├── Desktop
    └── LJMMultiLevelTableView
    │   ├── LJMMultiLevelTableView.xcodeproj
    │       ├── project.pbxproj
    │       ├── project.xcworkspace
    │       │   ├── contents.xcworkspacedata
    │       │   └── xcuserdata
    │       │   │   └── ljm.xcuserdatad
    │       │   │       └── UserInterfaceState.xcuserstate
    │       └── xcuserdata
    │       │   └── ljm.xcuserdatad
    │       │       ├── xcdebugger
    │       │           └── Breakpoints_v2.xcbkptlist
    │       │       └── xcschemes
    │       │           ├── LJMMultiLevelTableView.xcscheme
    │       │           └── xcschememanagement.plist
    │   └── LJMMultiLevelTableView
    │       ├── AppDelegate.swift
    │       ├── Assets.xcassets
    │           ├── AppIcon.appiconset
    │           │   └── Contents.json
    │           ├── Contents.json
    │           ├── jiahao.imageset
    │           │   ├── Contents.json
    │           │   └── jiahao.png
    │           ├── jianhao.imageset
    │           │   ├── Contents.json
    │           │   └── jianhao.png
    │           ├── open.imageset
    │           │   ├── Contents.json
    │           │   └── open.png
    │           └── unopen.imageset
    │           │   ├── Contents.json
    │           │   └── unopen.png
    │       ├── Base.lproj
    │           ├── LaunchScreen.storyboard
    │           └── Main.storyboard
    │       ├── Info.plist
    │       ├── LJMMultiLevelTableView.swift
    │       ├── ViewController.swift
    │       └── territory.txt
└── README.md


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65 |       </AdditionalOptions>
66 |    </LaunchAction>
67 |    <ProfileAction
68 |       buildConfiguration = "Release"
69 |       shouldUseLaunchSchemeArgsEnv = "YES"
70 |       savedToolIdentifier = ""
71 |       useCustomWorkingDirectory = "NO"
72 |       debugDocumentVersioning = "YES">
73 |       <BuildableProductRunnable
74 |          runnableDebuggingMode = "0">
75 |          <BuildableReference
76 |             BuildableIdentifier = "primary"
77 |             BlueprintIdentifier = "1AAFBF741F2775BC00ECF224"
78 |             BuildableName = "LJMMultiLevelTableView.app"
79 |             BlueprintName = "LJMMultiLevelTableView"
80 |             ReferencedContainer = "container:LJMMultiLevelTableView.xcodeproj">
81 |          </BuildableReference>
82 |       </BuildableProductRunnable>
83 |    </ProfileAction>
84 |    <AnalyzeAction
85 |       buildConfiguration = "Debug">
86 |    </AnalyzeAction>
87 |    <ArchiveAction
88 |       buildConfiguration = "Release"
89 |       revealArchiveInOrganizer = "YES">
90 |    </ArchiveAction>
91 | </Scheme>
92 | 


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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView.xcodeproj/xcuserdata/ljm.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>LJMMultiLevelTableView.xcscheme</key>
 8 | 		<dict>
 9 | 			<key>orderHint</key>
10 | 			<integer>0</integer>
11 | 		</dict>
12 | 	</dict>
13 | 	<key>SuppressBuildableAutocreation</key>
14 | 	<dict>
15 | 		<key>1AAFBF741F2775BC00ECF224</key>
16 | 		<dict>
17 | 			<key>primary</key>
18 | 			<true/>
19 | 		</dict>
20 | 	</dict>
21 | </dict>
22 | </plist>
23 | 


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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/AppDelegate.swift:
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 1 | //
 2 | //  AppDelegate.swift
 3 | //  LJMMultiLevelTableView
 4 | //
 5 | //
 6 | 
 7 | import UIKit
 8 | 
 9 | @UIApplicationMain
10 | class AppDelegate: UIResponder, UIApplicationDelegate {
11 | 
12 |     var window: UIWindow?
13 | 
14 | 
15 |     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
16 |         // Override point for customization after application launch.
17 |         return true
18 |     }
19 | 
20 |     func applicationWillResignActive(_ application: UIApplication) {
21 |         // 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.
22 |         // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
23 |     }
24 | 
25 |     func applicationDidEnterBackground(_ application: UIApplication) {
26 |         // 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.
27 |         // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
28 |     }
29 | 
30 |     func applicationWillEnterForeground(_ application: UIApplication) {
31 |         // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
32 |     }
33 | 
34 |     func applicationDidBecomeActive(_ application: UIApplication) {
35 |         // 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.
36 |     }
37 | 
38 |     func applicationWillTerminate(_ application: UIApplication) {
39 |         // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
40 |     }
41 | 
42 | 
43 | }
44 | 
45 | 


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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/Assets.xcassets/AppIcon.appiconset/Contents.json:
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 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "size" : "20x20",
 6 |       "scale" : "2x"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "size" : "20x20",
11 |       "scale" : "3x"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "size" : "29x29",
16 |       "scale" : "2x"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "size" : "29x29",
21 |       "scale" : "3x"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "size" : "40x40",
26 |       "scale" : "2x"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "size" : "40x40",
31 |       "scale" : "3x"
32 |     },
33 |     {
34 |       "idiom" : "iphone",
35 |       "size" : "60x60",
36 |       "scale" : "2x"
37 |     },
38 |     {
39 |       "idiom" : "iphone",
40 |       "size" : "60x60",
41 |       "scale" : "3x"
42 |     }
43 |   ],
44 |   "info" : {
45 |     "version" : 1,
46 |     "author" : "xcode"
47 |   }
48 | }


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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/Assets.xcassets/Contents.json:
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1 | {
2 |   "info" : {
3 |     "version" : 1,
4 |     "author" : "xcode"
5 |   }
6 | }


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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/Assets.xcassets/jiahao.imageset/Contents.json:
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 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "universal",
 5 |       "filename" : "jiahao.png",
 6 |       "scale" : "1x"
 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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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/Assets.xcassets/jiahao.imageset/jiahao.png:
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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/Assets.xcassets/jianhao.imageset/Contents.json:
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 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "universal",
 5 |       "filename" : "jianhao.png",
 6 |       "scale" : "1x"
 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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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/Assets.xcassets/jianhao.imageset/jianhao.png:
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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/Assets.xcassets/open.imageset/Contents.json:
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 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "universal",
 5 |       "filename" : "open.png",
 6 |       "scale" : "1x"
 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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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/Assets.xcassets/unopen.imageset/Contents.json:
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 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "universal",
 5 |       "filename" : "unopen.png",
 6 |       "scale" : "1x"
 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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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/Assets.xcassets/unopen.imageset/unopen.png:
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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/Base.lproj/LaunchScreen.storyboard:
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 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11134" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11106"/>
 5 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="EHf-IW-A2E">
10 |             <objects>
11 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
17 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
20 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |             <point key="canvasLocation" x="53" y="375"/>
25 |         </scene>
26 |     </scenes>
27 | </document>
28 | 


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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/Base.lproj/Main.storyboard:
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 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11134" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11106"/>
 5 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="tne-QT-ifu">
10 |             <objects>
11 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" customModuleProvider="target" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
17 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
20 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |         </scene>
25 |     </scenes>
26 | </document>
27 | 


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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/Info.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>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>CFBundleVersion</key>
20 | 	<string>1</string>
21 | 	<key>LSRequiresIPhoneOS</key>
22 | 	<true/>
23 | 	<key>UILaunchStoryboardName</key>
24 | 	<string>LaunchScreen</string>
25 | 	<key>UIMainStoryboardFile</key>
26 | 	<string>Main</string>
27 | 	<key>UIRequiredDeviceCapabilities</key>
28 | 	<array>
29 | 		<string>armv7</string>
30 | 	</array>
31 | 	<key>UISupportedInterfaceOrientations</key>
32 | 	<array>
33 | 		<string>UIInterfaceOrientationPortrait</string>
34 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
35 | 		<string>UIInterfaceOrientationLandscapeRight</string>
36 | 	</array>
37 | </dict>
38 | </plist>
39 | 


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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/LJMMultiLevelTableView.swift:
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  1 | //
  2 | //  LJMMultiLevelTableView.swift
  3 | //  test
  4 | //
  5 | //
  6 | 
  7 | import UIKit
  8 | 
  9 | /***************************  工具  ***********************************************/
 10 | /// 窗口宽度
 11 | var QDEV_W = UIScreen.main.bounds.size.width
 12 | /// 获取视图当前宽度
 13 | func GETVW(_ view : UIView) ->CGFloat { return view.frame.width }
 14 | /// 获取视图高度
 15 | func GETVH(_ view : UIView) ->CGFloat { return view.frame.height }
 16 | 
 17 | func QRect(_ X : CGFloat , Y : CGFloat , W : CGFloat , H : CGFloat) ->CGRect { return CGRect(x: X, y: Y, width: W, height: H) }
 18 | 
 19 | typealias leafObj = ()->Void
 20 | typealias ResObj = (_ obj: Any)->Void
 21 | 
 22 | /// 点击手势
 23 | class QTapGesture: UITapGestureRecognizer {
 24 |     
 25 |     var tapend : ResObj?
 26 |     
 27 |     class func addguest(_ view : UIView , action : @escaping ResObj){
 28 |         let tap = QTapGesture.init();
 29 |         tap.tapend = action
 30 |         tap.addTarget(tap, action: #selector(QTapGesture.tapgesture(_:)));
 31 |         view.isUserInteractionEnabled = true
 32 |         view.addGestureRecognizer(tap)
 33 |     }
 34 |     
 35 |     func tapgesture(_ tap : UITapGestureRecognizer){
 36 |         if (self.tapend != nil){
 37 |             self.tapend!(tap.view!)
 38 |         }
 39 |     }
 40 | }
 41 | 
 42 | //四个角变圆(未使用)
 43 | func setAllround(_ view : UIView,size : CGFloat,corners:UIRectCorner){
 44 |     let path = UIBezierPath.init(roundedRect: view.bounds, byRoundingCorners: corners, cornerRadii: CGSize(width: size, height: size))
 45 |     let layer = CAShapeLayer()
 46 |     layer.frame = view.bounds
 47 |     layer.path = path.cgPath
 48 |     
 49 |     
 50 |     view.layer.mask = layer
 51 |     layer.shadowPath = UIBezierPath(rect: view.bounds).cgPath
 52 | }
 53 | 
 54 | ///色值一样的
 55 | func RGBAsame(_ RGB : Double , A : CGFloat) ->UIColor { return UIColor.init(red: CGFloat(RGB/255.0), green: CGFloat(RGB/255.0), blue: CGFloat(RGB/255.0), alpha: A) }
 56 | 
 57 | /*************************************************************************************/
 58 | 
 59 | 
 60 | class LJMMultiLevelTableView: UITableView ,UITableViewDelegate,UITableViewDataSource{
 61 |     
 62 |     var companys : [CTMLObj] = []
 63 |     
 64 |     var tempNodes : [[MLNodelObj]] = []     //当前展示的节点数据,每个元素数组存储的是每个组里面的所有正在展示的cell
 65 |     var reloadArray : [IndexPath]!          //存储要插入的数据
 66 |     
 67 |     var leafblock : leafObj!                //点击叶子回调
 68 |     
 69 |     var preservation : Bool = false         //收起后再展开是否保留之前的展开状态
 70 |     
 71 |     private var isInitializeed : Bool = false   //是否已经初始化过
 72 |     
 73 |     convenience init(_ frame : CGRect ,needPreservation : Bool, objs : AnyObject?){
 74 |         self.init(frame: frame, style: UITableViewStyle.grouped)
 75 |         if objs != nil {
 76 |             companys = objs as! [CTMLObj]
 77 |         }
 78 |         for _ in 0..<companys.count {
 79 |             tempNodes.append([MLNodelObj]())
 80 |         }
 81 |         preservation = needPreservation
 82 |         isInitializeed = true
 83 |     }
 84 |     
 85 |     override init(frame: CGRect, style: UITableViewStyle) {
 86 |         super.init(frame: frame, style: style)
 87 |         self.backgroundColor = UIColor.white
 88 |         reloadArray = [IndexPath]()
 89 |         self.delegate = self
 90 |         self.dataSource = self
 91 |         self.separatorStyle = UITableViewCellSeparatorStyle.none
 92 |         self.register(CTMLCell.self, forCellReuseIdentifier: "CTMLCell")
 93 |         self.register(CTMLCHeaderView.self, forHeaderFooterViewReuseIdentifier: "CTMLCHeader")
 94 |         isInitializeed = true
 95 |     }
 96 |     
 97 |     required init?(coder aDecoder: NSCoder) {
 98 |         fatalError("init(coder:) has not been implemented")
 99 |     }
100 |     
101 |     
102 |     //刷新列表
103 |     func reloadNode(_ nodes: AnyObject){
104 |         if !isInitializeed { return }
105 |         self.companys = nodes as! [CTMLObj]
106 |         tempNodes.removeAll()
107 |         reloadArray.removeAll()
108 |         for _ in 0..<companys.count {
109 |             tempNodes.append([MLNodelObj]())
110 |         }
111 |         self.reloadData()
112 |     }
113 |     
114 |     
115 |     //多少个组
116 |     func numberOfSections(in tableView: UITableView) -> Int {
117 |         return self.companys.count
118 |     }
119 |     //每组多少cell
120 |     func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
121 |         return tempNodes[section].count
122 |     }
123 |     //自定义组头
124 |     func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
125 |         let head = tableView.dequeueReusableHeaderFooterView(withIdentifier: "CTMLCHeader") as! CTMLCHeaderView
126 |         let comobj = companys[section]
127 |         head.setInfo(comobj)
128 |         head.tap = { (obj) in
129 |             
130 |             comobj.isopen = !comobj.isopen
131 |             
132 |             if comobj.isopen {
133 |                 let _ = self.expandNodes(section: section, parentID: comobj.ownID, index: -1)
134 |             }else{
135 |                 self.tempNodes[section].removeAll()
136 |             }
137 |             self.reloadArray.removeAll()
138 |             tableView.reloadSections(IndexSet(integer: section), with: UITableViewRowAnimation.automatic)
139 |             
140 |         }
141 |         return head
142 |     }
143 |     //组头高度
144 |     func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
145 |         return 50
146 |     }
147 |     //组尾高度
148 |     func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
149 |         return 10
150 |     }
151 |     //每个cell高度
152 |     func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
153 |         return 50
154 |     }
155 |     //设置cell
156 |     func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
157 |         let cell = tableView.dequeueReusableCell(withIdentifier: "CTMLCell", for: indexPath) as! CTMLCell
158 |         let obj = tempNodes[indexPath.section][indexPath.row]
159 |         cell.setcellinfo(obj)
160 |         
161 |         return cell
162 |     }
163 |     //点击cell
164 |     func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
165 |         let currentnode = tempNodes[indexPath.section][indexPath.row]
166 |         if currentnode.leaf {
167 |             print("点击叶子,\(currentnode.name)")
168 |             if self.leafblock != nil {
169 |                 self.leafblock()
170 |             }
171 |             return
172 |         }else{
173 |             currentnode.expand = !currentnode.expand
174 |         }
175 |         reloadArray.removeAll()
176 |         
177 |         if currentnode.expand {
178 |             let _ = self.expandNodes(section: indexPath.section, parentID: currentnode.ownID, index: indexPath.row)
179 |             //插入cell
180 |             tableView.insertRows(at: reloadArray as [IndexPath], with: UITableViewRowAnimation.none)
181 |         }else{
182 |             self.foldNodes(section: indexPath.section, level: currentnode.level, currentIndex: indexPath.row)
183 |             //删除cell
184 |             tableView.deleteRows(at: reloadArray, with: UITableViewRowAnimation.none)
185 |         }
186 |         //刷新这行cell的显示
187 |         tableView.reloadRows(at: [indexPath], with: UITableViewRowAnimation.none)
188 |     }
189 |     
190 |     //记录展开的数据
191 |     func expandNodes(section : Int, parentID:String,index:Int)->Int{
192 |         
193 |         var insertindex = index
194 |         
195 |         for i in 0..<companys[section].subNodes.count {
196 |             let node = companys[section].subNodes[i]
197 |             //找到父节点是parentID的子节点
198 |             if node.parentID == parentID {
199 |                 if !self.preservation {  //是否保留所有子cell的展开状态
200 |                     node.expand = false
201 |                 }
202 |                 //展开节点的后面+1的位置
203 |                 insertindex += 1
204 |                 //根据展开顺序排列
205 |                 tempNodes[section].insert(node, at: insertindex)
206 |                 //存储插入的位置
207 |                 reloadArray.append(IndexPath(row: insertindex, section: section))
208 |                 //遍历子节点的子节点进行展开
209 |                 if node.expand {
210 |                     insertindex = expandNodes(section : section, parentID: node.ownID, index: insertindex)
211 |                 }
212 |             }
213 |         }
214 |         return insertindex
215 |     }
216 |     
217 |     //记录收起的数据
218 |     func foldNodes(section : Int,level:Int,currentIndex:Int){
219 |         if currentIndex+1<tempNodes[section].count {
220 |             
221 |             let tempArr = NSArray(array: tempNodes[section])
222 |             
223 |             let startI = currentIndex+1
224 |             var endI   = currentIndex
225 |             for i in (currentIndex+1)..<(tempArr.count) {
226 |                 let node = tempArr[i] as! MLNodelObj
227 |                 if node.level <= level {
228 |                     break
229 |                 }else{
230 |                     endI += 1
231 |                     reloadArray.append(IndexPath(row: i, section: section))
232 |                 }
233 |             }
234 |             if endI >= startI {
235 |                 tempNodes[section].removeSubrange(startI...endI)
236 |             }
237 |         }
238 |     }
239 | }
240 | 
241 | /****************   组头    ***************************/
242 | class CTMLCHeaderView: UITableViewHeaderFooterView {
243 |     
244 |     var bgv       : UIView!
245 |     var descLbl   : UILabel!
246 |     var imgBtn    : UIButton!
247 |     
248 |     var tap : ResObj!
249 |     
250 |     override init(reuseIdentifier: String?) {
251 |         super.init(reuseIdentifier: reuseIdentifier)
252 |         creatView()
253 |     }
254 |     
255 |     required init?(coder aDecoder: NSCoder) {
256 |         fatalError("init(coder:) has not been implemented")
257 |     }
258 |     
259 |     func creatView(){
260 |         bgv = UIView(frame: QRect(15, Y: 0, W: QDEV_W - 30, H: 50))
261 |         bgv.backgroundColor = RGBAsame(233, A: 1.0)
262 |         bgv.layer.borderColor = RGBAsame(211, A: 1.0).cgColor
263 |         bgv.layer.borderWidth = 1.0
264 |         bgv.layer.cornerRadius = 5
265 |         bgv.layer.masksToBounds = true
266 |         
267 |         let imgw : CGFloat = 30
268 |         imgBtn = UIButton(frame: QRect(GETVW(bgv)-imgw, Y: (GETVH(bgv)-imgw)/2.0, W: imgw, H: imgw))
269 |         imgBtn.isUserInteractionEnabled = false
270 |         imgBtn.setImage(UIImage(named: "jiahao"), for: UIControlState.normal)
271 |         imgBtn.setImage(UIImage(named: "jianhao"), for: UIControlState.selected)
272 |         imgBtn.imageView?.contentMode = .scaleAspectFit
273 |         imgBtn.contentEdgeInsets = UIEdgeInsetsMake(10, 10, 10, 10)
274 |         bgv.addSubview(imgBtn)
275 |         
276 |         descLbl = UILabel(frame: QRect(10, Y: 0, W: GETVW(bgv)-10-imgw, H: GETVH(bgv)))
277 |         descLbl.font = UIFont.systemFont(ofSize: 13)
278 |         descLbl.textColor = UIColor.black
279 |         descLbl.textAlignment = NSTextAlignment.left
280 |         descLbl.backgroundColor = bgv.backgroundColor
281 |         bgv.addSubview(descLbl)
282 |         
283 |         self.addSubview(bgv)
284 |         
285 |         QTapGesture.addguest(bgv) { (obj) in
286 |             if self.tap != nil { self.tap(obj) }
287 |         }
288 |     }
289 |     
290 |     func setInfo(_ obj : CTMLObj){
291 |         descLbl.text = obj.name
292 |         imgBtn.isSelected = obj.isopen
293 |     }
294 |     
295 | }
296 | 
297 | class CTMLCell: UITableViewCell {
298 |     
299 |     var bgv       : UIView!
300 |     var descLbl   : UILabel!
301 |     var imgBtn    : UIButton!
302 |     
303 |     override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
304 |         super.init(style: style, reuseIdentifier: reuseIdentifier)
305 |         self.contentView.frame = QRect(0, Y: 0, W: QDEV_W, H: 0)
306 |         
307 |         creatsubview()
308 |     }
309 |     
310 |     required init?(coder aDecoder: NSCoder) {
311 |         fatalError("init(coder:) has not been implemented")
312 |     }
313 |     
314 |     func creatsubview() {
315 |         self.selectionStyle = UITableViewCellSelectionStyle.none
316 |         
317 |         bgv = UIView(frame: QRect(15, Y: 0, W: QDEV_W - 30, H: 50))
318 |         bgv.backgroundColor = RGBAsame(245, A: 1.0)
319 |         bgv.layer.borderColor = RGBAsame(211, A: 1.0).cgColor
320 |         bgv.layer.borderWidth = 1.0
321 |         
322 |         let imgw : CGFloat = 30
323 |         imgBtn = UIButton(frame: QRect(GETVW(bgv)-imgw, Y: (GETVH(bgv)-imgw)/2.0, W: imgw, H: imgw))
324 |         imgBtn.isUserInteractionEnabled = false
325 |         imgBtn.setImage(UIImage(named: "unopen"), for: UIControlState.normal)
326 |         imgBtn.setImage(UIImage(named: "open"), for: UIControlState.selected)
327 |         imgBtn.imageView?.contentMode = .scaleAspectFit
328 |         imgBtn.contentEdgeInsets = UIEdgeInsetsMake(10, 10, 10, 10)
329 |         bgv.addSubview(imgBtn)
330 |         
331 |         descLbl = UILabel(frame: QRect(10, Y: 0, W: GETVW(bgv)-10-imgw, H: GETVH(bgv)))
332 |         descLbl.font = UIFont.systemFont(ofSize: 13)
333 |         descLbl.textColor = UIColor.black
334 |         descLbl.textAlignment = NSTextAlignment.left
335 |         descLbl.backgroundColor = bgv.backgroundColor
336 |         bgv.addSubview(descLbl)
337 |         
338 |         self.addSubview(bgv)
339 |     }
340 |     
341 |     func setcellinfo(_ id: AnyObject) {
342 |         let obj = id as! MLNodelObj
343 |         descLbl.text = obj.name
344 |         imgBtn.isSelected = obj.expand
345 |         imgBtn.isHidden = obj.leaf
346 |         layoutView(obj)
347 |     }
348 |     
349 |     func layoutView(_ obj : MLNodelObj){
350 |         let interval : CGFloat = 30
351 |         var leMargin : CGFloat = 10
352 |         for _ in 2...obj.level {
353 |             leMargin += interval
354 |         }
355 |         
356 |         descLbl.frame = QRect(leMargin, Y: 0, W: GETVW(bgv)-leMargin-30, H: GETVH(bgv))
357 |         bgv.backgroundColor = obj.level == 2 ? RGBAsame(245, A: 1.0) : RGBAsame(255, A: 1.0)
358 |         descLbl.backgroundColor = bgv.backgroundColor
359 |     }
360 |     
361 |     
362 |     
363 | }
364 | 
365 | 
366 | 
367 | class CTMLObj : NSObject{
368 |     
369 |     var name      : String = ""
370 |     var ownID     : String = ""     //自身ID
371 |     var level     : Int    =  1
372 |     var isopen    : Bool   = false
373 |     
374 |     var subNodes  : [MLNodelObj] = []
375 |     
376 |     class func node(ownID:String,name:String,level:NSInteger)->CTMLObj{
377 |         let ctmlobj = CTMLObj()
378 |         ctmlobj.name = name
379 |         ctmlobj.ownID = ownID
380 |         ctmlobj.level = level
381 |         return ctmlobj
382 |     }
383 |     
384 | }
385 | 
386 | 
387 | //节点数据
388 | class MLNodelObj: NSObject {
389 |     
390 |     var parentID  : String = ""     //父ID
391 |     var ownID     : String = ""     //自身ID
392 |     var name      : String = ""     //自身内容
393 |     var level     : NSInteger = 0   //级别
394 |     var expand    : Bool = false    //是否展开
395 |     var leaf      : Bool = false    //是否叶子(没有子节点)
396 |     var root      : Bool = false    //是否根节点
397 |     
398 |     class func node(parentID:String,ownID:String,name:String,level:NSInteger,isleaf:Bool,isroot:Bool,isExpand:Bool)->MLNodelObj{
399 |         let mlnode = MLNodelObj()
400 |         mlnode.parentID = parentID
401 |         mlnode.ownID = ownID
402 |         mlnode.name = name
403 |         mlnode.level = level
404 |         mlnode.leaf = isleaf
405 |         mlnode.root = isroot
406 |         mlnode.expand = isExpand
407 |         
408 |         return mlnode
409 |     }
410 |     
411 | }
412 | 
413 | 
414 | 
415 | 
416 | 
417 | 
418 | 
419 | 
420 | 
421 | 
422 | 


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/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/ViewController.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.swift
 3 | //  LJMMultiLevelTableView
 4 | //
 5 | //
 6 | 
 7 | import UIKit
 8 | import Foundation
 9 | 
10 | class ViewController: UIViewController {
11 |     
12 |     var listobj : AnyObject!
13 |     var levelList : LJMMultiLevelTableView!
14 | 
15 |     override func viewDidLoad() {
16 |         super.viewDidLoad()
17 |         
18 |         let path = Bundle.main.path(forResource: "territory", ofType: "txt")
19 |         
20 |         let url = URL(fileURLWithPath: path!)
21 |         
22 |         do {
23 |             let data = try Data(contentsOf: url)
24 |             let jsondata = try JSONSerialization.jsonObject(with: data, options: JSONSerialization.ReadingOptions.mutableContainers)
25 |             listobj = getdata(jsondata as AnyObject)
26 | 
27 |         } catch  {
28 |             print("报错")
29 |         }
30 |         
31 |         levelList = LJMMultiLevelTableView(QRect(0, Y: 50, W: GETVW(self.view), H: GETVH(self.view)-50), needPreservation: true, objs: listobj)
32 |         self.view.addSubview(levelList)
33 |         
34 |         
35 |     }
36 |     
37 |     func getdata(_ obj :AnyObject)->AnyObject{
38 |         
39 |         let dict = obj as! NSDictionary
40 |         let array = dict["data"] as! NSArray
41 |         var objs = [AnyObject]()
42 |         
43 |         //洲
44 |         for obj in array{
45 |             let continent = obj as! NSDictionary
46 |             let continentName = continent["洲"] as! String
47 |             let continentid   = continent["continentID"] as! String
48 |             let continentC = CTMLObj.node(ownID: continentid, name: continentName, level: 1)
49 |             objs.append(continentC)
50 |             
51 |             //国家
52 |             let countryArray = continent["国家"] as? NSArray
53 |             if countryArray != nil{
54 |                 for obj in countryArray!{
55 |                     let country = obj as! NSDictionary
56 |                     let countryName = country["国家名称"] as! String
57 |                     let countryid = country["countryID"]  as! String
58 |                     let countryM = MLNodelObj.node(parentID: continentid, ownID: countryid, name: countryName, level: 2, isleaf: false, isroot: false, isExpand: false)
59 |                     continentC.subNodes.append(countryM)
60 |                     
61 |                     //城市
62 |                     let cityArray = country["城市"] as? NSArray
63 |                     if cityArray != nil{
64 |                         for obj in cityArray!{
65 |                             let city = obj as! NSDictionary
66 |                             let cityName = city["城市"] as! String
67 |                             let cityid   = city["cityID"] as! String
68 |                             let cityM = MLNodelObj.node(parentID: countryid, ownID: cityid, name: cityName, level: 3, isleaf: true, isroot: false, isExpand: false)
69 |                             continentC.subNodes.append(cityM)
70 |                         }
71 |                     }
72 |                 }
73 |             }
74 |         }
75 |         
76 |         return objs as AnyObject
77 |     }
78 |     
79 |     
80 | 
81 |     override func didReceiveMemoryWarning() {
82 |         super.didReceiveMemoryWarning()
83 |         // Dispose of any resources that can be recreated.
84 |     }
85 | 
86 | 
87 | }
88 | 
89 | 


--------------------------------------------------------------------------------
/Desktop/LJMMultiLevelTableView/LJMMultiLevelTableView/territory.txt:
--------------------------------------------------------------------------------
  1 | {
  2 | "data": [
  3 | {
  4 | "洲": "亚洲",
  5 | "continentID": "00",
  6 | "国家": [
  7 | {
  8 | "countryID": "000",
  9 | "国家名称": "中国",
 10 | "城市": [
 11 | {
 12 | "cityID": "0001",
 13 | "城市": "北京"
 14 | },
 15 | {
 16 | "cityID": "0002",
 17 | "城市": "上海"
 18 | },
 19 | {
 20 | "cityID": "0003",
 21 | "城市": "深圳"
 22 | },
 23 | {
 24 | "cityID": "0004",
 25 | "城市": "广州"
 26 | }
 27 | ]
 28 | },
 29 | {
 30 | "countryID": "001",
 31 | "国家名称": "俄罗斯",
 32 | "城市": [
 33 | {
 34 | "cityID": "0011",
 35 | "城市": "莫斯科"
 36 | },
 37 | {
 38 | "cityID": "0012",
 39 | "城市": "新西伯利亚"
 40 | },
 41 | {
 42 | "cityID": "0013",
 43 | "城市": "叶卡捷琳堡"
 44 | }
 45 | ]
 46 | }
 47 | ]
 48 | },
 49 | {
 50 | "洲": "南美洲",
 51 | "continentID": "01",
 52 | "国家": [
 53 | {
 54 | "countryID": "010",
 55 | "国家名称": "巴西",
 56 | "城市": [
 57 | {
 58 | "cityID": "0101",
 59 | "城市": "里约热内卢"
 60 | },
 61 | {
 62 | "cityID": "0102",
 63 | "城市": "圣保罗"
 64 | },
 65 | {
 66 | "cityID": "0103",
 67 | "城市": "萨尔瓦多"
 68 | },
 69 | {
 70 | "cityID": "0104",
 71 | "城市": "巴西利亚"
 72 | }
 73 | ]
 74 | },
 75 | {
 76 | "countryID": "011",
 77 | "国家名称": "阿根廷",
 78 | "城市": [
 79 | {
 80 | "cityID": "0111",
 81 | "城市": "布宜诺斯艾利斯"
 82 | },
 83 | {
 84 | "cityID": "0112",
 85 | "城市": "科尔多瓦"
 86 | },
 87 | {
 88 | "cityID": "0113",
 89 | "城市": "罗萨里奥"
 90 | },
 91 | {
 92 | "cityID": "0114",
 93 | "城市": "拉普拉塔"
 94 | }
 95 | ]
 96 | }
 97 | ]
 98 | },
 99 | {
100 | "洲": "澳洲",
101 | "continentID": "02",
102 | "国家": [
103 | {
104 | "countryID": "020",
105 | "国家名称": "澳大利亚",
106 | "城市": [
107 | {
108 | "cityID": "0201",
109 | "城市": "悉尼"
110 | },
111 | {
112 | "cityID": "0202",
113 | "城市": "墨尔本"
114 | },
115 | {
116 | "cityID": "0203",
117 | "城市": "堪培拉"
118 | },
119 | {
120 | "cityID": "0204",
121 | "城市": "布里斯本"
122 | }
123 | ]
124 | },
125 | {
126 | "countryID": "021",
127 | "国家名称": "新西兰",
128 | "城市": [
129 | {
130 | "cityID": "0211",
131 | "城市": "奥克兰"
132 | },
133 | {
134 | "cityID": "0212",
135 | "城市": "惠灵顿"
136 | },
137 | {
138 | "cityID": "0213",
139 | "城市": "基督城"
140 | },
141 | {
142 | "cityID": "0214",
143 | "城市": "哈密尔顿"
144 | }
145 | ]
146 | }
147 | ]
148 | }
149 | ]
150 | }
151 | 


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/README.md:
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1 | # LJMMultiLevelTableView
2 | 较为美观的多级展开列表
3 | 


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