1 import java.io.BufferedReader;
2 import java.io.IOException;
3 import java.io.InputStream;
4 import java.io.InputStreamReader;
5
6
7
8 import org.apache.commons.httpclient.Header;
9 import org.apache.commons.httpclient.HttpClient;
10 import org.apache.commons.httpclient.HttpException;
11 import org.apache.commons.httpclient.HttpStatus;
12 import org.apache.commons.httpclient.NameValuePair;
13 import org.apache.commons.httpclient.cookie.CookiePolicy;
14 import org.apache.commons.httpclient.methods.PostMethod;
15
16 public class Dopost {
17 public String callHttpPost(String url,NameValuePair[] postData){
18 HttpClient httpclient = new HttpClient();
19 PostMethod postMethod = new PostMethod(url);
20 try{
21 postMethod.addParameters(postData);
22 postMethod.getParams().setParameter("http.protocol.cookie-policy", CookiePolicy.BROWSER_COMPATIBILITY);
23 int statusCode = httpclient.executeMethod(postMethod);
24 if(statusCode == HttpStatus.SC_MOVED_TEMPORARILY ||
25 statusCode == HttpStatus.SC_MOVED_TEMPORARILY){
26 Header locationHeader = postMethod.getResponseHeader("Location");
27 String location = null;
28 if(locationHeader != null){
29 location = locationHeader.getValue();
30 }
31 postMethod = new PostMethod(location);
32 postMethod.setRequestBody(postData);
33 postMethod.getParams().setParameter("http.protocol.cookie-policy",CookiePolicy.BROWSER_COMPATIBILITY);
34 int statusCode1 = httpclient.executeMethod(postMethod);
35 if(statusCode1 != HttpStatus.SC_OK){
36 return "postError01:重定向访问没有成功！";
37 }
38 }
39 if(statusCode != HttpStatus.SC_OK){
40 return "postError02:访问没有成功！";
41 }
42 InputStream responseBody = postMethod.getResponseBodyAsStream();
43 BufferedReader reader = new BufferedReader(new InputStreamReader(responseBody,"utf-8"));
44 String line = reader.readLine();
45 String repose="";
46 while(line != null){
47 repose+=new String(line.getBytes());
48 line = reader.readLine();
49 }
50 return repose;
51 }
52 catch (HttpException e) {
53 return "postError03:"+e;
54 }
55 catch (IOException e) {
56 return "postError04:"+e;
57 }finally{
58 postMethod.releaseConnection();
59 }
60 }
61 }
