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