Http 范例

package com.android.test;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
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;
import org.apache.http.util.EntityUtils;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;

public class HelloActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
       
       
        //sendHttp();
        sendRequest("56.240.128.148",8045,"/dfsdf/login","user=admin&pwd=1");
    }
    private void sendHttp(){
     String httpUrl = "http://56.240.128.148:8045/dfsdf/login";
     HttpPost httpRequest = new HttpPost(httpUrl);  
     List<NameValuePair> params = new ArrayList<NameValuePair>();
     params.add(new BasicNameValuePair("user", "admin"));  
  params.add(new BasicNameValuePair("pwd", "1"));      
  try{   
            //设置字符集   
           HttpEntity httpentity = new UrlEncodedFormEntity(params, "GB2312");//"gb2312");   
           //请求httpRequest   
           httpRequest.setEntity(httpentity);   
           //取得默认的HttpClient   
           HttpClient httpclient = new DefaultHttpClient();   
             //取得HttpResponse   
             HttpResponse httpResponse = httpclient.execute(httpRequest);   
             //HttpStatus.SC_OK表示连接成功   
            if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK){   
                 //取得返回的字符串   
                 String strResult = EntityUtils.toString(httpResponse.getEntity());   
                 Log.v("jkj","fsdfsdfsd"); 
             }else{   
              Log.v("jkj","fsdfsdfsd");
            }   
         }catch (ClientProtocolException e){   
            // resultText.setText(e.getMessage().toString());   
         } catch (IOException e){   
           //  resultText.setText(e.getMessage().toString());   
         }catch (Exception e){   
          Log.v("jkj","fsdfsdfsd"); 
         } 
    }
   
    /////////////////////////////////////////////////////////////////////
   
    private void sendRequest(String hostIp,int port,String cmd,String data){
     Socket socket;   
        try {   
            socket = new Socket(hostIp, port);   
            OutputStream os = socket.getOutputStream();   
           // String data= getXmlString();   
            StringBuffer sb = new StringBuffer();   
            sb.append("POST "+cmd+" HTTP/1.1\r\n");// 注意\r\n为回车换行   
           // sb.append("Accept-Language: zh-cn\r\n");   
           // sb.append("Connection: Keep-Alive\r\n");   
           // sb.append("Host:localhost\r\n");   
           // sb.append("Content-Length:11\r\n");
            sb.append("Host: "+hostIp+":"+port+"\r\n");
            sb.append("Content-Type: application/x-www-form-urlencoded\r\n");
            sb.append("Content-MD5: a781asdfadfbadsf1apoqst\r\n");//??????
            sb.append("Accept-Encoding: gzip,deflate\r\n");
            sb.append("Accept-Charset: GB2312\r\n");
            sb.append("Keep-Alive: 115\r\n");
            sb.append("\r\n");   
            sb.append(data+"\r\n");   
            //sb.append("\r\n");   
  
  
            // 接收Web服务器返回HTTP响应包   
            os.write(sb.toString().getBytes());   
            os.flush();   
           
            InputStream ins = socket.getInputStream();
            byte[] b = new byte[1000];   
            ins.read(b); //读取http头   
            InputStreamReader ireader = new InputStreamReader(ins);   
            java.io.BufferedReader reader = new java.io.BufferedReader(ireader);  
            String s =  reader.readLine(); //读取内容   
            System.out.println("response:"+s);   
            System.out.println(reader.readLine());   
            System.out.println(reader.readLine());   
            System.out.println(reader.readLine());   
            System.out.println(reader.readLine());   
            System.out.println(reader.readLine());   
            System.out.println(reader.readLine());   
               
        } catch (UnknownHostException e) {   
            e.printStackTrace();   
        } catch (IOException e) {   
            e.printStackTrace();   
        }
     
    }
}