1./** 2. * Android中向web服务器提交数据的两种方式四种方法 3. */ 4.public class SubmitDataByHttpClientAndOrdinaryWay { 5. 6. /** 7. * 使用get请求以普通方式提交数据 8. * @param map 传递进来的数据,以map的形式进行了封装 9. * @param path 要求服务器servlet的地址 10. * @return 返回的boolean类型的参数 11. * @throws Exception 12. */ 13. public Boolean submitDataByDoGet(Map<String, String> map, String path) throws Exception { 14. // 拼凑出请求地址 15. StringBuilder sb = new StringBuilder(path); 16. sb.append("?"); 17. for (Map.Entry<String, String> entry : map.entrySet()) { 18. sb.append(entry.getKey()).append("=").append(entry.getValue()); 19. sb.append("&"); 20. } 21. sb.deleteCharAt(sb.length() - 1); 22. String str = sb.toString(); 23. System.out.println(str); 24. URL Url = new URL(str); 25. HttpURLConnection HttpConn = (HttpURLConnection) Url.openConnection(); 26. HttpConn.setRequestMethod("GET"); 27. HttpConn.setReadTimeout(5000); 28. if (HttpConn.getResponseCode() == HttpURLConnection.HTTP_OK) { 29. return true; 30. } 31. return false; 32. } 33. 34. /** 35. * 普通方式的DoPost请求提交数据 36. * @param map 传递进来的数据,以map的形式进行了封装 37. * @param path 要求服务器servlet的地址 38. * @return 返回的boolean类型的参数 39. * @throws Exception 40. */ 41. public Boolean submitDataByDoPost(Map<String, String> map, String path) throws Exception { 42. // 注意Post地址中是不带参数的,所以newURL的时候要注意不能加上后面的参数 43. URL Url = new URL(path); 44. // Post方式提交的时候参数和URL是分开提交的,参数形式是这样子的:name=y&age=6 45. StringBuilder sb = new StringBuilder(); 46. // sb.append("?"); 47. for (Map.Entry<String, String> entry : map.entrySet()) { 48. sb.append(entry.getKey()).append("=").append(entry.getValue()); 49. sb.append("&"); 50. } 51. sb.deleteCharAt(sb.length() - 1); 52. String str = sb.toString(); 53. 54. HttpURLConnection HttpConn = (HttpURLConnection) Url.openConnection(); 55. HttpConn.setRequestMethod("POST"); 56. HttpConn.setReadTimeout(5000); 57. HttpConn.setDoOutput(true); 58. HttpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); 59. HttpConn.setRequestProperty("Content-Length", String.valueOf(str.getBytes().length)); 60. OutputStream os = HttpConn.getOutputStream(); 61. os.write(str.getBytes()); 62. if (HttpConn.getResponseCode() == HttpURLConnection.HTTP_OK) { 63. return true; 64. } 65. return false; 66. } 67. 68. /** 69. * 以HttpClient的DoGet方式向服务器发送请数据 70. * @param map 传递进来的数据,以map的形式进行了封装 71. * @param path 要求服务器servlet的地址 72. * @return 返回的boolean类型的参数 73. * @throws Exception 74. */ 75. public Boolean submitDataByHttpClientDoGet(Map<String, String> map, String path) throws Exception { 76. HttpClient hc = new DefaultHttpClient(); 77. // 请求路径 78. StringBuilder sb = new StringBuilder(path); 79. sb.append("?"); 80. for (Map.Entry<String, String> entry : map.entrySet()) { 81. sb.append(entry.getKey()).append("=").append(entry.getValue()); 82. sb.append("&"); 83. } 84. sb.deleteCharAt(sb.length() - 1); 85. String str = sb.toString(); 86. System.out.println(str); 87. HttpGet request = new HttpGet(sb.toString()); 88. 89. HttpResponse response = hc.execute(request); 90. if (response.getStatusLine().getStatusCode() == HttpURLConnection.HTTP_OK) { 91. return true; 92. } 93. return false; 94. } 95. 96. /** 97. * 以HttpClient的DoPost方式提交数据到服务器 98. * @param map 传递进来的数据,以map的形式进行了封装 99. * @param path 要求服务器servlet的地址 100. * @return 返回的boolean类型的参数 101. * @throws Exception 102. */ 103. public Boolean submintDataByHttpClientDoPost(Map<String, String> map, String path) throws Exception { 104. // 1. 获得一个相当于浏览器对象HttpClient,使用这个接口的实现类来创建对象,DefaultHttpClient 105. HttpClient hc = new DefaultHttpClient(); 106. // DoPost方式请求的时候设置请求,关键是路径 107. HttpPost request = new HttpPost(path); 108. // 2. 为请求设置请求参数,也即是将要上传到web服务器上的参数 109. List<NameValuePair> parameters = new ArrayList<NameValuePair>(); 110. for (Map.Entry<String, String> entry : map.entrySet()) { 111. NameValuePair nameValuePairs = new BasicNameValuePair(entry.getKey(), entry.getValue()); 112. parameters.add(nameValuePairs); 113. } 114. // 请求实体HttpEntity也是一个接口,我们用它的实现类UrlEncodedFormEntity来创建对象,注意后面一个String类型的参数是用来指定编码的 115. HttpEntity entity = new UrlEncodedFormEntity(parameters, "UTF-8"); 116. request.setEntity(entity); 117. // 3. 执行请求 118. HttpResponse response = hc.execute(request); 119. // 4. 通过返回码来判断请求成功与否 120. if (response.getStatusLine().getStatusCode() == HttpURLConnection.HTTP_OK) { 121. return true; 122. } 123. return false; 124. } 125.} 原文出自 http://luecsc.blog.51cto.com/2219432/1111923