httpclient提交表单 访问接口

http://shendixiong.iteye.com/blog/1135633

httpclient提交表单   访问接口

1. public static String getStringURLtoPost(String url,  
2.             Map<String, Object> parms) {    
3.         if ("".equals(url) || parms == null || url.trim().length() <= 0  
4.                 || parms.size() <= 0) {  
5.             return null;  
6.         }  
7.         HttpClient httpClient = new HttpClient();   
8.         PostMethod postMethod = new PostMethod(url); //<strong><span style="color: #ff0000;">此处为你访问的接口 或页面</span>  
9. </strong>  
10.   
11.           //<strong><span style="color: #ff0000;">设置编码 防止中文乱码</span>  
12. </strong>  
13.   
14.        httpClient.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET,"UTF-8");  
15.     
16.                //<strong><span style="color: #ff0000;">此处为集合里面的值!遍历map集合中的key和value!其实,这里是关键!这里就是表单数据</span>  
17. </strong>  
18.   
19.         NameValuePair[] data = new NameValuePair[parms.keySet().size()];  
20.         Iterator it = parms.entrySet().iterator();  
21.         int i = 0;  
22.         while (it.hasNext()) {  
23.             Map.Entry entry = (Map.Entry) it.next();  
24.             Object key = entry.getKey();  
25.             Object value = entry.getValue();  
26.             data[i] = new NameValuePair(key.toString(), value.toString());  
27.             i++;  
28.         }  
29.         postMethod.setRequestBody(data); //<strong><span style="color: #ff0000;">这里就是将值传过去(接口中)!</span>  
30. </strong>  
31.   
32.         try {  
33.             httpClient.executeMethod(postMethod); //<strong><span style="color: #ff0000;">执行</span>  
34. </strong>  
35.   
36.             return postMethod.getResponseBodyAsString(); <span style="color: #ff0000;"><strong>//得到接口中返回的数据</strong>  
37.   
38. </span>  
39.         } catch (Exception e) {  
40.             e.printStackTrace();  
41.         } finally{  
42.             postMethod.releaseConnection();  <strong><span style="color: #ff0000;">//关闭(销毁</span>  
43. </strong>  
44.   
45.                 }  
46.                  return null;  
47. }  
48.   
49. public static int getCheckInUrl(VideoAsset asset,String username,String text_comments){  
50.         int Checkin_status = CHECKIN_STATUS_FAIL;  
51.         StringBuffer buffer = new StringBuffer();  
52.         Map<String, Object> parms = new HashMap<String, Object>();  
53.         buffer.append("127.0.0.1:82/webservice/sign.jsp?action=add");  
54.         <span style="color: #ff0000;"><strong>//其实.这就相当于,我们的初始页面!然后,下面的数据就是table表单要提交的字段!</strong>  
55. </span>  
56.   
57.           
58.         if(asset == null){  
59.             Checkin_status = CHECKIN_STATUS_FAIL;  
60.         }if(asset.getAssetId()>=0){  
61.             parms.put("assetid", asset.getAssetId());  
62.         }if(asset.getItemId()>=0){  
63.             parms.put("itemid", asset.getItemId());  
64.         }if(!"".equals(asset.getAssetType().trim())&&asset.getAssetType()!=null){  
65.             parms.put("assettype", asset.getAssetType().trim());  
66.         }if(!"".equals(asset.getAssetCode().trim())&&asset.getAssetCode()!=null){  
67.             parms.put("assetcode", asset.getAssetCode().trim());  
68.         }if(!"".equals(username.trim())&&username !=null){  
69.             parms.put("username", username.trim());  
70.         }if(!"".equals(asset.getAssetName().trim())&&asset.getAssetName()!=null){  
71.             parms.put("assetname", asset.getAssetName().trim());  
72.         }if(!"".equals(text_comments.trim())&&text_comments!=null){  
73.             parms.put("text_comments", text_comments);  
74.         }  
75. <span style="color: #ff0000;"><strong>//将要提交的字段数据放入进去!</strong>  
76. </span>  
77.   
78.           
79.         return getFromUrltoPost(buffer.toString(), parms);   
80.     }   
81.   
82. public static int getFromUrltoPost(String url,Map<String, Object> parms){  
83.         int Checkin_status = CHECKIN_STATUS_FAIL;  
84.         try {  
85.             Checkin_status = Integer.parseInt(StringUtil.getStringURLtoPost(url, parms));  
86.             return Checkin_status;  
87.         } catch (NumberFormatException e) {  
88.             Checkin_status = CHECKIN_STATUS_UNKNOWNUSERNAME;  
89.             return Checkin_status;  
90.         }finally{  
91.             return Checkin_status;  
92.         }  
93.           
94.     }  
95.   
96. <strong><span style="color: #ff0000;">/*  
97. *最后要告诉大家的是!如果不懂,可以试想成,你做一个简单的登陆页面!里面有name和password哪个字段!  
98. *而假设你的访问页面是http://127.0.0.1:82/hello.jsp  
99. *你用post方式!那么你在集合里面就应该put两个,一个是name,一个是password   
100. *也就是put("name",name) ,put("password",password); 也访问的页面就是你的url(道理就相当于一个  
101. *简易的登陆提交)  
102. */</span>  
103. </strong>  
104.