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;

    }

}