Java发送http请求

//post
package com.dingo.sendurl;
import  java.net.*;
import java.io.InputStream;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class send_url_post {
    private String urlStr;
    private URL url;
    private HttpURLConnection url_con;
    private String response_content;

    public void setUrlStr(String urlStr) {
        this.urlStr = urlStr;
    }
    public String getResponse_content() {
        return response_content;
    }
    private  void setResponse_content(String response_content) {
        this.response_content = response_content;
    }
    public void send_url(String mobile_number){
        try{
            url = new url(/urlStr);
            url_con=(HttpURLConnection)url.openConnection();
            url_con.setRequestMethod("POST");
            url_con.setDoOutput(true);
            String param="action=mobile&mobile="+mobile_number;
           
            url_con.getOutputStream().write(param.getBytes());
            url_con.getOutputStream().flush();
            url_con.getOutputStream().close();
            InputStream in= url_con.getInputStream();
            BufferedReader   rd = new BufferedReader(new InputStreamReader(in));
            StringBuilder tempStr=new StringBuilder();
            while(rd.read()!=-1){
                tempStr.append(rd.readLine());
            }
           setResponse_content(new String(tempStr));
    } catch(Exception e){
            e.printStackTrace();
        }
        finally{
            if(url_con!=null)
            url_con.disconnect();
        }
    }
}
 
//get
package com.dingo.sendurl;
import java.net.HttpURLConnection;
import java.net.URL;
import java.io.IOException;
import java.io.InputStream;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class send_url_get {
    private String urlStr;
    private URL url;
    private HttpURLConnection url_con;
    private String contentStr;

    public void setUrlStr(String urlStr) {
        this.urlStr = urlStr;
    }
    public String getContentStr() {
        return contentStr;
    }
    private void setContentStr(String contentStr) {
        this.contentStr = contentStr;
    }
    public void send_url(){
        try{
            StringBuilder temp = new StringBuilder();
        url = new  url(/urlStr);
         url_con= (HttpURLConnection)url.openConnection();
         url_con.setDoOutput(true);
         url_con.setRequestMethod("GET");
         url_con.getOutputStream().flush();
         url_con.getOutputStream().close();
            InputStream in =url_con.getInputStream();
            BufferedReader rd = new BufferedReader(new InputStreamReader(in));
            while(rd.read()!=-1){
                temp.append(rd.readLine());
            }
            setContentStr(new String (temp));
    }       catch (Exception e){
            e.printStackTrace();
        }  finally{
            if(url_con!=null){
                url_con.disconnect();
            }
        }
    }
}

文章出处:http://blog.sina.com.cn/s/blog_4b0dca9b010005vp.html