java使用HttpClient以GET或者POST方式向网页提交参数

package http.demo;

import java.io.IOException;

import org.apache.commons.httpclient.*;

import org.apache.commons.httpclient.methods.*;

/**

  * 提交参数演示

  * 该程序连接到一个用于查询手机号码所属地的页面

  * 以便查询号码段1330227所在 的省份以及城市

  * @author Liudong

  */

public class SimpleHttpClient {

     public static void main(String[] args) throws IOException

     {

        HttpClient client = new HttpClient();

        client.getHostConfiguration().setHost( "www.imobile.com.cn" , 80 , "http" );

        HttpMethod method = getPostMethod(); //使用POST方式 提交数据

        client.executeMethod(method);

        //打印服务器返回的状态

        System.out.println(method.getStatusLine());

         //打印结果页面

        String response =

            new String(method.getResponseBodyAsString().getBytes( "8859_1" ));

        //打印返回的信息

        System.out.println(response);

        method.releaseConnection();

     }

     /**

      * HttpClient使用GET方式提交数据

      * @return

      */

     private static HttpMethod getGetMethod(){

        return new GetMethod( "/simcard.php?simcard=1330227" );

     }

     /**

      * HttpClient使用POST方式提交数据

      * @return

      */

     private static HttpMethod getPostMethod(){

        PostMethod post = new PostMethod( "/simcard.php" );

        NameValuePair simcard = new NameValuePair( "simcard" ,                                                      "1330227" );

        post.setRequestBody( new NameValuePair[] { simcard});

        return post;

     }

}