HttpClient通过HttpPost传递参数

1. package http;  
     
   import java.util.ArrayList;  
   import java.util.List;  
     
   import org.apache.http.NameValuePair;  
   import org.apache.http.client.HttpClient;  
   import org.apache.http.client.entity.UrlEncodedFormEntity;  
   import org.apache.http.client.methods.HttpPost;  
   import org.apache.http.impl.client.DefaultHttpClient;  
   import org.apache.http.message.BasicNameValuePair;  
     
   public class HttpTests {  
     
       /** 
        * @param args 
        * @throws Exception 
        */  
       public static void main(String[] args) throws Exception {  
           HttpClient httpclient = new DefaultHttpClient();  
           HttpPost httpPost = new HttpPost("******/abc");  
           List<NameValuePair> nvps = new ArrayList<NameValuePair>();  
           nvps.add(new BasicNameValuePair("username", "vip"));  
           nvps.add(new BasicNameValuePair("password", "secret"));  
           httpPost.setEntity(new UrlEncodedFormEntity(nvps));  
           HttpResponse response = httpclient.execute(httpPost);  
           httpclient.getConnectionManager().shutdown();   
           if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) { 
              String strResult = EntityUtils.toString(response.getEntity()); 
              System.out.println(strResult); 
           }
       }  
     
   }