├── README.md ├── CodeVerify ├── LoginController.java ├── GetCodeController.java ├── CheckLoginController.java └── login.jsp ├── SlidingVerify ├── GeetestConfig.java ├── StartCaptchaServlet.java ├── VerifyLoginServlet.java ├── login2.jsp └── GeetestLib.java └── web.xml /README.md: -------------------------------------------------------------------------------- 1 | # Verify 2 | 利用java代码实现滑动验证和普通验证码验证 3 | -------------------------------------------------------------------------------- /CodeVerify/LoginController.java: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/zhangxy1035/Verify/HEAD/CodeVerify/LoginController.java -------------------------------------------------------------------------------- /CodeVerify/GetCodeController.java: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/zhangxy1035/Verify/HEAD/CodeVerify/GetCodeController.java -------------------------------------------------------------------------------- /CodeVerify/CheckLoginController.java: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/zhangxy1035/Verify/HEAD/CodeVerify/CheckLoginController.java -------------------------------------------------------------------------------- /SlidingVerify/GeetestConfig.java: -------------------------------------------------------------------------------- 1 | package com.ow.appmg.controller.login; 2 | 3 | /** 4 | * GeetestWeb配置文件 5 | * 6 | * 7 | */ 8 | public class GeetestConfig { 9 | 10 | // 填入自己的captcha_id和private_key 11 | private static final String geetest_id = "b46d1900d0a894591916ea94ea91bd2c"; 12 | private static final String geetest_key = "36fc3fe98530eea08dfc6ce76e3d24c4"; 13 | 14 | public static final String getGeetest_id() { 15 | return geetest_id; 16 | } 17 | 18 | public static final String getGeetest_key() { 19 | return geetest_key; 20 | } 21 | 22 | } 23 | -------------------------------------------------------------------------------- /SlidingVerify/StartCaptchaServlet.java: -------------------------------------------------------------------------------- 1 | package com.ow.appmg.controller.login; 2 | 3 | import java.io.IOException; 4 | import java.io.PrintWriter; 5 | 6 | import javax.servlet.ServletException; 7 | import javax.servlet.http.HttpServlet; 8 | import javax.servlet.http.HttpServletRequest; 9 | import javax.servlet.http.HttpServletResponse; 10 | 11 | 12 | 13 | /** 14 | * 使用Get的方式返回challenge和capthca_id,此方式以实现前后端完全分离的开发模式 15 | * 16 | */ 17 | public class StartCaptchaServlet extends HttpServlet { 18 | 19 | private static final long serialVersionUID = 1L; 20 | 21 | protected void doGet(HttpServletRequest request, 22 | HttpServletResponse response) throws ServletException, IOException { 23 | 24 | GeetestLib gtSdk = new GeetestLib(GeetestConfig.getGeetest_id(), GeetestConfig.getGeetest_key()); 25 | 26 | String resStr = "{}"; 27 | 28 | //自定义userid 29 | String userid = "test"; 30 | 31 | //进行验证预处理 32 | int gtServerStatus = gtSdk.preProcess(userid); 33 | 34 | //将服务器状态设置到session中 35 | request.getSession().setAttribute(gtSdk.gtServerStatusSessionKey, gtServerStatus); 36 | //将userid设置到session中 37 | request.getSession().setAttribute("userid", userid); 38 | 39 | resStr = gtSdk.getResponseStr(); 40 | 41 | PrintWriter out = response.getWriter(); 42 | out.println(resStr); 43 | 44 | } 45 | } -------------------------------------------------------------------------------- /web.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | springmvc 9 | 10 | org.springframework.web.servlet.DispatcherServlet 11 | 12 | 13 | contextConfigLocation 14 | classpath:com/ow/appmg/config/applicationContext.xml 15 | 16 | 1 17 | 18 | 19 | StartCaptchaServlet 20 | com.ow.appmg.controller.login.StartCaptchaServlet 21 | 22 | 23 | 24 | StartCaptchaServlet 25 | /login/pc-geetest/register 26 | 27 | 28 | springmvc 29 | *.from 30 | 31 | 32 | 33 | 34 | 35 | encodingfilter 36 | 37 | org.springframework.web.filter.CharacterEncodingFilter 38 | 39 | 40 | encoding 41 | UTF-8 42 | 43 | 44 | 45 | encodingfilter 46 | /* 47 | 48 | 49 | 50 | index.jsp 51 | 52 | -------------------------------------------------------------------------------- /SlidingVerify/VerifyLoginServlet.java: -------------------------------------------------------------------------------- 1 | package com.ow.appmg.controller.login; 2 | 3 | import java.io.IOException; 4 | import java.io.PrintWriter; 5 | import javax.servlet.ServletException; 6 | import javax.servlet.http.HttpServlet; 7 | import javax.servlet.http.HttpServletRequest; 8 | import javax.servlet.http.HttpServletResponse; 9 | 10 | 11 | import org.json.JSONException; 12 | import org.json.JSONObject; 13 | 14 | 15 | /** 16 | * 使用post方式，返回验证结果, request表单中必须包含challenge, validate, seccode 17 | */ 18 | public class VerifyLoginServlet extends HttpServlet { 19 | 20 | private static final long serialVersionUID = 244554953219893949L; 21 | 22 | protected void doPost(HttpServletRequest request, 23 | HttpServletResponse response) throws ServletException, IOException { 24 | 25 | GeetestLib gtSdk = new GeetestLib(GeetestConfig.getGeetest_id(), GeetestConfig.getGeetest_key()); 26 | 27 | String challenge = request.getParameter(GeetestLib.fn_geetest_challenge); 28 | String validate = request.getParameter(GeetestLib.fn_geetest_validate); 29 | String seccode = request.getParameter(GeetestLib.fn_geetest_seccode); 30 | 31 | //从session中获取gt-server状态 32 | int gt_server_status_code = (Integer) request.getSession().getAttribute(gtSdk.gtServerStatusSessionKey); 33 | 34 | //从session中获取userid 35 | String userid = (String)request.getSession().getAttribute("userid"); 36 | 37 | int gtResult = 0; 38 | 39 | if (gt_server_status_code == 1) { 40 | //gt-server正常，向gt-server进行二次验证 41 | 42 | gtResult = gtSdk.enhencedValidateRequest(challenge, validate, seccode, userid); 43 | System.out.println(gtResult); 44 | } else { 45 | // gt-server非正常情况下，进行failback模式验证 46 | 47 | System.out.println("failback:use your own server captcha validate"); 48 | gtResult = gtSdk.failbackValidateRequest(challenge, validate, seccode); 49 | System.out.println(gtResult); 50 | } 51 | 52 | 53 | if (gtResult == 1) { 54 | // 验证成功 55 | PrintWriter out = response.getWriter(); 56 | JSONObject data = new JSONObject(); 57 | try { 58 | data.put("status", "success"); 59 | data.put("version", gtSdk.getVersionInfo()); 60 | } catch (JSONException e) { 61 | e.printStackTrace(); 62 | } 63 | out.println(data.toString()); 64 | } 65 | else { 66 | // 验证失败 67 | JSONObject data = new JSONObject(); 68 | try { 69 | data.put("status", "fail"); 70 | data.put("version", gtSdk.getVersionInfo()); 71 | } catch (JSONException e) { 72 | e.printStackTrace(); 73 | } 74 | PrintWriter out = response.getWriter(); 75 | out.println(data.toString()); 76 | } 77 | 78 | } 79 | } 80 | -------------------------------------------------------------------------------- /CodeVerify/login.jsp: -------------------------------------------------------------------------------- 1 | <%@ page language="java" pageEncoding="UTF-8"%> 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | APP管理平台 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 31 | 32 | 33 | 34 | 35 | 36 |
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45 | 输入用户名和密码 46 |

47 | 48 | 49 | 50 | 验证码 51 |
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62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 83 | 84 | 85 | -------------------------------------------------------------------------------- /SlidingVerify/login2.jsp: -------------------------------------------------------------------------------- 1 | <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> 2 | <% 3 | String path = request.getContextPath(); 4 | String basePath = request.getScheme() + "://" 5 | + request.getServerName() + ":" + request.getServerPort() 6 | + path + "/"; 7 | %> 8 | 9 | 10 | 11 | APP管理平台 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 38 | 96 | 97 | 98 | 99 | 100 | 101 |
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正在加载验证码......

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请先拖动验证码到相应位置

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163 | 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | 172 | 184 | 185 | 186 | -------------------------------------------------------------------------------- /SlidingVerify/GeetestLib.java: -------------------------------------------------------------------------------- 1 | package com.ow.appmg.controller.login; 2 | 3 | import java.awt.print.Printable; 4 | import java.io.BufferedReader; 5 | import java.io.BufferedWriter; 6 | import java.io.IOException; 7 | import java.io.InputStream; 8 | import java.io.InputStreamReader; 9 | import java.io.OutputStreamWriter; 10 | import java.net.HttpURLConnection; 11 | import java.net.InetAddress; 12 | import java.net.Socket; 13 | import java.net.URL; 14 | import java.security.MessageDigest; 15 | import java.security.NoSuchAlgorithmException; 16 | import java.text.SimpleDateFormat; 17 | import java.util.ArrayList; 18 | import java.util.HashMap; 19 | import java.util.logging.Logger; 20 | 21 | import javax.print.DocFlavor.STRING; 22 | import javax.servlet.http.HttpServletRequest; 23 | 24 | /** 25 | * Java SDK 26 | * 27 | */ 28 | public class GeetestLib { 29 | 30 | protected final String verName = "3.3.0";// SDK版本编号 31 | protected final String sdkLang = "java";// SD的语�?���? 32 | protected final String apiUrl = "http://api.geetest.com"; //极验验证API URL 33 | protected final String baseUrl = "api.geetest.com"; 34 | 35 | protected final String registerUrl = "/register.php"; //register url 36 | protected final String validateUrl = "/validate.php"; //validate url 37 | 38 | /** 39 | * 极验验证二次验证表单数据 chllenge 40 | */ 41 | public static final String fn_geetest_challenge = "geetest_challenge"; 42 | 43 | /** 44 | * 极验验证二次验证表单数据 validate 45 | */ 46 | public static final String fn_geetest_validate = "geetest_validate"; 47 | 48 | /** 49 | * 极验验证二次验证表单数据 seccode 50 | */ 51 | public static final String fn_geetest_seccode = "geetest_seccode"; 52 | 53 | /** 54 | * 公钥 55 | */ 56 | private String captchaId = ""; 57 | 58 | /** 59 | * 私钥 60 | */ 61 | 62 | private String privateKey = ""; 63 | 64 | private String userId = ""; 65 | 66 | private String responseStr = ""; 67 | 68 | /** 69 | * 调试�?��，是否输出调试日�? */ 70 | public boolean debugCode = true; 71 | 72 | /** 73 | * 极验验证API服务状�?Session Key 74 | */ 75 | public String gtServerStatusSessionKey = "gt_server_status"; 76 | 77 | /** 78 | * 带参数构造函�? * 79 | * @param captchaId 80 | * @param privateKey 81 | */ 82 | public GeetestLib(String captchaId, String privateKey) { 83 | this.captchaId = captchaId; 84 | this.privateKey = privateKey; 85 | } 86 | 87 | /** 88 | * 获取本次验证初始化返回字符串 89 | * 90 | * @return 初始化结�? */ 91 | public String getResponseStr() { 92 | return responseStr; 93 | } 94 | 95 | public String getVersionInfo() { 96 | return verName; 97 | } 98 | 99 | /** 100 | * 预处理失败后的返回格式串 101 | * 102 | * @return 103 | */ 104 | private String getFailPreProcessRes() { 105 | 106 | Long rnd1 = Math.round(Math.random() * 100); 107 | Long rnd2 = Math.round(Math.random() * 100); 108 | String md5Str1 = md5Encode(rnd1 + ""); 109 | String md5Str2 = md5Encode(rnd2 + ""); 110 | String challenge = md5Str1 + md5Str2.substring(0, 2); 111 | 112 | return String.format( 113 | "{\"success\":%s,\"gt\":\"%s\",\"challenge\":\"%s\"}", 0, 114 | this.captchaId, challenge); 115 | } 116 | 117 | /** 118 | * 预处理成功后的标准串 119 | * 120 | */ 121 | private String getSuccessPreProcessRes(String challenge) { 122 | 123 | gtlog("challenge:" + challenge); 124 | return String.format( 125 | "{\"success\":%s,\"gt\":\"%s\",\"challenge\":\"%s\"}", 1, 126 | this.captchaId, challenge); 127 | } 128 | 129 | /** 130 | * 验证初始化预处理 131 | * 132 | * @return 1表示初始化成功，0表示初始化失�? */ 133 | public int preProcess() { 134 | 135 | if (registerChallenge() != 1) { 136 | 137 | this.responseStr = this.getFailPreProcessRes(); 138 | return 0; 139 | } 140 | 141 | return 1; 142 | 143 | } 144 | 145 | /** 146 | * 验证初始化预处理 147 | * 148 | * @param userid 149 | * @return 1表示初始化成功，0表示初始化失�? */ 150 | public int preProcess(String userid){ 151 | 152 | this.userId = userid; 153 | return this.preProcess(); 154 | } 155 | 156 | 157 | 158 | /** 159 | * 用captchaID进行注册，更新challenge 160 | * 161 | * @return 1表示注册成功�?表示注册失败 162 | */ 163 | private int registerChallenge() { 164 | try { 165 | String GET_URL = apiUrl + registerUrl+"?gt=" + this.captchaId; 166 | if (this.userId != ""){ 167 | GET_URL = GET_URL + "&user_id=" + this.userId; 168 | this.userId = ""; 169 | } 170 | gtlog("GET_URL:" + GET_URL); 171 | String result_str = readContentFromGet(GET_URL); 172 | gtlog("register_result:" + result_str); 173 | if (32 == result_str.length()) { 174 | 175 | this.responseStr = this.getSuccessPreProcessRes(this.md5Encode(result_str + this.privateKey)); 176 | 177 | return 1; 178 | } else { 179 | gtlog("gtServer register challenge failed"); 180 | return 0; 181 | } 182 | } catch (Exception e) { 183 | gtlog("exception:register api"); 184 | } 185 | return 0; 186 | } 187 | 188 | /** 189 | * 发�?请求，获取服务器返回结果 190 | * 191 | * @param getURL 192 | * @return 服务器返回结�? * @throws IOException 193 | */ 194 | private String readContentFromGet(String getURL) throws IOException { 195 | 196 | URL getUrl = new URL(getURL); 197 | HttpURLConnection connection = (HttpURLConnection) getUrl 198 | .openConnection(); 199 | 200 | connection.setConnectTimeout(2000);// 设置连接主机超时（单位：毫秒�? connection.setReadTimeout(2000);// 设置从主机读取数据超时（单位：毫秒） 201 | 202 | // 建立与服务器的连接，并未发�?数据 203 | connection.connect(); 204 | 205 | // 发�?数据到服务器并使用Reader读取返回的数�? 206 | StringBuffer sBuffer = new StringBuffer(); 207 | 208 | InputStream inStream = null; 209 | byte[] buf = new byte[1024]; 210 | inStream = connection.getInputStream(); 211 | for (int n; (n = inStream.read(buf)) != -1;) { 212 | sBuffer.append(new String(buf, 0, n, "UTF-8")); 213 | } 214 | inStream.close(); 215 | connection.disconnect();// 断开连接 216 | 217 | return sBuffer.toString(); 218 | } 219 | 220 | 221 | 222 | 223 | /** 224 | * 判断�?��表单对象值是否为�? * 225 | * @param gtObj 226 | * @return 227 | */ 228 | protected boolean objIsEmpty(Object gtObj) { 229 | if (gtObj == null) { 230 | return true; 231 | } 232 | 233 | if (gtObj.toString().trim().length() == 0) { 234 | return true; 235 | } 236 | 237 | return false; 238 | } 239 | 240 | /** 241 | * �?��客户端的请求是否合法,三个只要有一个为空，则判断不合法 242 | * 243 | * @param request 244 | * @return 245 | */ 246 | private boolean resquestIsLegal(String challenge, String validate, String seccode) { 247 | 248 | if (objIsEmpty(challenge)) { 249 | return false; 250 | } 251 | 252 | if (objIsEmpty(validate)) { 253 | return false; 254 | } 255 | 256 | if (objIsEmpty(seccode)) { 257 | return false; 258 | } 259 | 260 | return true; 261 | } 262 | 263 | 264 | /** 265 | * 服务正常的情况下使用的验证方�?向gt-server进行二次验证,获取验证结果 266 | * 267 | * @param challenge 268 | * @param validate 269 | * @param seccode 270 | * @return 验证结果,1表示验证成功0表示验证失败 271 | */ 272 | public int enhencedValidateRequest(String challenge, String validate, String seccode) { 273 | 274 | if (!resquestIsLegal(challenge, validate, seccode)) { 275 | return 0; 276 | } 277 | gtlog("request legitimate"); 278 | 279 | String host = baseUrl; 280 | String path = validateUrl; 281 | int port = 80; 282 | String query = String.format("seccode=%s&sdk=%s", seccode, 283 | (this.sdkLang + "_" + this.verName)); 284 | String response = ""; 285 | 286 | if (this.userId != ""){ 287 | query = query + "&user_id=" + this.userId; 288 | this.userId = ""; 289 | } 290 | gtlog(query); 291 | try { 292 | if (validate.length() <= 0) { 293 | return 0; 294 | } 295 | 296 | if (!checkResultByPrivate(challenge, validate)) { 297 | return 0; 298 | } 299 | gtlog("checkResultByPrivate"); 300 | response = postValidate(host, path, query, port); 301 | 302 | gtlog("response: " + response); 303 | } catch (Exception e) { 304 | e.printStackTrace(); 305 | } 306 | 307 | gtlog("md5: " + md5Encode(seccode)); 308 | 309 | if (response.equals(md5Encode(seccode))) { 310 | return 1; 311 | } else { 312 | return 0; 313 | } 314 | } 315 | 316 | /** 317 | * 服务正常的情况下使用的验证方�?向gt-server进行二次验证,获取验证结果 318 | * 319 | * @param challenge 320 | * @param validate 321 | * @param seccode 322 | * @param userid 323 | * @return 验证结果,1表示验证成功0表示验证失败 324 | */ 325 | public int enhencedValidateRequest(String challenge, String validate, String seccode, String userid) { 326 | 327 | this.userId = userid; 328 | return this.enhencedValidateRequest(challenge, validate, seccode); 329 | } 330 | 331 | /** 332 | * failback使用的验证方�? * 333 | * @param challenge 334 | * @param validate 335 | * @param seccode 336 | * @return 验证结果,1表示验证成功0表示验证失败 337 | */ 338 | public int failbackValidateRequest(String challenge, String validate, String seccode) { 339 | 340 | gtlog("in failback validate"); 341 | 342 | if (!resquestIsLegal(challenge, validate, seccode)) { 343 | return 0; 344 | } 345 | gtlog("request legitimate"); 346 | 347 | String[] validateStr = validate.split("_"); 348 | String encodeAns = validateStr[0]; 349 | String encodeFullBgImgIndex = validateStr[1]; 350 | String encodeImgGrpIndex = validateStr[2]; 351 | 352 | gtlog(String.format( 353 | "encode----challenge:%s--ans:%s,bg_idx:%s,grp_idx:%s", 354 | challenge, encodeAns, encodeFullBgImgIndex, encodeImgGrpIndex)); 355 | 356 | int decodeAns = decodeResponse(challenge, encodeAns); 357 | int decodeFullBgImgIndex = decodeResponse(challenge, encodeFullBgImgIndex); 358 | int decodeImgGrpIndex = decodeResponse(challenge, encodeImgGrpIndex); 359 | 360 | gtlog(String.format("decode----ans:%s,bg_idx:%s,grp_idx:%s", decodeAns, 361 | decodeFullBgImgIndex, decodeImgGrpIndex)); 362 | 363 | int validateResult = validateFailImage(decodeAns,decodeFullBgImgIndex, decodeImgGrpIndex); 364 | 365 | return validateResult; 366 | } 367 | 368 | 369 | 370 | /** 371 | * 372 | * @param ans 373 | * @param full_bg_index 374 | * @param img_grp_index 375 | * @return 376 | */ 377 | private int validateFailImage(int ans, int full_bg_index, 378 | int img_grp_index) { 379 | final int thread = 3;// 容差�? 380 | String full_bg_name = md5Encode(full_bg_index + "").substring(0, 9); 381 | String bg_name = md5Encode(img_grp_index + "").substring(10, 19); 382 | 383 | String answer_decode = ""; 384 | 385 | // 通过两个字符串奇数和偶数位拼接产生答案位 386 | for (int i = 0; i < 9; i++) { 387 | if (i % 2 == 0) { 388 | answer_decode += full_bg_name.charAt(i); 389 | } else if (i % 2 == 1) { 390 | answer_decode += bg_name.charAt(i); 391 | } else { 392 | gtlog("exception"); 393 | } 394 | } 395 | 396 | String x_decode = answer_decode.substring(4, answer_decode.length()); 397 | 398 | int x_int = Integer.valueOf(x_decode, 16);// 16 to 10 399 | 400 | int result = x_int % 200; 401 | if (result < 40) { 402 | result = 40; 403 | } 404 | 405 | if (Math.abs(ans - result) <= thread) { 406 | return 1; 407 | } else { 408 | return 0; 409 | } 410 | } 411 | 412 | 413 | 414 | 415 | /** 416 | * 解码随机参数 417 | * 418 | * @param encodeStr 419 | * @param challenge 420 | * @return 421 | */ 422 | private int decodeResponse(String challenge, String string) { 423 | if (string.length() > 100) { 424 | return 0; 425 | } 426 | 427 | int[] shuzi = new int[] { 1, 2, 5, 10, 50 }; 428 | String chongfu = ""; 429 | HashMap key = new HashMap(); 430 | int count = 0; 431 | 432 | for (int i = 0; i < challenge.length(); i++) { 433 | String item = challenge.charAt(i) + ""; 434 | 435 | if (chongfu.contains(item) == true) { 436 | continue; 437 | } else { 438 | int value = shuzi[count % 5]; 439 | chongfu += item; 440 | count++; 441 | key.put(item, value); 442 | } 443 | } 444 | 445 | int res = 0; 446 | 447 | for (int j = 0; j < string.length(); j++) { 448 | res += key.get(string.charAt(j) + ""); 449 | } 450 | 451 | res = res - decodeRandBase(challenge); 452 | 453 | return res; 454 | 455 | } 456 | 457 | /** 458 | * 输入的两位的随机数字,解码出偏移量 459 | * 460 | * @param randStr 461 | * @return 462 | */ 463 | private int decodeRandBase(String challenge) { 464 | 465 | String base = challenge.substring(32, 34); 466 | ArrayList tempArray = new ArrayList(); 467 | 468 | for (int i = 0; i < base.length(); i++) { 469 | char tempChar = base.charAt(i); 470 | Integer tempAscii = (int) (tempChar); 471 | 472 | Integer result = (tempAscii > 57) ? (tempAscii - 87) 473 | : (tempAscii - 48); 474 | 475 | tempArray.add(result); 476 | } 477 | 478 | int decodeRes = tempArray.get(0) * 36 + tempArray.get(1); 479 | return decodeRes; 480 | 481 | } 482 | 483 | 484 | 485 | /** 486 | * 输出debug信息，需要开启debugCode 487 | * 488 | * @param message 489 | */ 490 | public void gtlog(String message) { 491 | if (debugCode) { 492 | System.out.println("gtlog: " + message); 493 | } 494 | } 495 | 496 | protected boolean checkResultByPrivate(String challenge, String validate) { 497 | String encodeStr = md5Encode(privateKey + "geetest" + challenge); 498 | return validate.equals(encodeStr); 499 | } 500 | 501 | /** 502 | * 貌似不是Post方式，后面重构时修改名字 503 | * 504 | * @param host 505 | * @param path 506 | * @param data 507 | * @param port 508 | * @return 509 | * @throws Exception 510 | */ 511 | protected String postValidate(String host, String path, String data, 512 | int port) throws Exception { 513 | String response = "error"; 514 | 515 | InetAddress addr = InetAddress.getByName(host); 516 | Socket socket = new Socket(addr, port); 517 | BufferedWriter wr = new BufferedWriter(new OutputStreamWriter( 518 | socket.getOutputStream(), "UTF8")); 519 | wr.write("POST " + path + " HTTP/1.0\r\n"); 520 | wr.write("Host: " + host + "\r\n"); 521 | wr.write("Content-Type: application/x-www-form-urlencoded\r\n"); 522 | wr.write("Content-Length: " + data.length() + "\r\n"); 523 | wr.write("\r\n"); // 以空行作为分�? 524 | // 发�?数据 525 | wr.write(data); 526 | wr.flush(); 527 | 528 | // 读取返回信息 529 | BufferedReader rd = new BufferedReader(new InputStreamReader( 530 | socket.getInputStream(), "UTF-8")); 531 | String line; 532 | while ((line = rd.readLine()) != null) { 533 | response = line; 534 | } 535 | wr.close(); 536 | rd.close(); 537 | socket.close(); 538 | return response; 539 | } 540 | 541 | 542 | /** 543 | * md5 加密 544 | * 545 | * @time 2014�?�?0�?下午3:30:01 546 | * @param plainText 547 | * @return 548 | */ 549 | private String md5Encode(String plainText) { 550 | String re_md5 = new String(); 551 | try { 552 | MessageDigest md = MessageDigest.getInstance("MD5"); 553 | md.update(plainText.getBytes()); 554 | byte b[] = md.digest(); 555 | int i; 556 | StringBuffer buf = new StringBuffer(""); 557 | for (int offset = 0; offset < b.length; offset++) { 558 | i = b[offset]; 559 | if (i < 0) 560 | i += 256; 561 | if (i < 16) 562 | buf.append("0"); 563 | buf.append(Integer.toHexString(i)); 564 | } 565 | 566 | re_md5 = buf.toString(); 567 | 568 | } catch (NoSuchAlgorithmException e) { 569 | e.printStackTrace(); 570 | } 571 | return re_md5; 572 | } 573 | 574 | } 575 | --------------------------------------------------------------------------------