HttpCLient4 Post请求

HttpCLient4 Post请求

package com.abin.lee.ssh.basic.train;

import java.io.BufferedInputStream;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.HttpVersion;
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.client.params.AllClientPNames;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import org.junit.Test;

public class CityToCityTest {
 private static final String HTTPURL="http://localhost:7500/train/mvc/train/searchTrain2";
 @Test
 public void testCityToCity(){

   HttpClient httpClient = new DefaultHttpClient();
   HttpPost httpPost =new HttpPost(HTTPURL);
   httpClient.getParams().setParameter(AllClientPNames.PROTOCOL_VERSION,HttpVersion.HTTP_1_1);
   httpClient.getParams().setParameter(AllClientPNames.USE_EXPECT_CONTINUE, Boolean.TRUE);
   httpClient.getParams().setParameter(AllClientPNames.HTTP_CONTENT_CHARSET,HTTP.UTF_8);
   httpClient.getParams().setParameter(AllClientPNames.CONN_MANAGER_TIMEOUT,1000l);
   httpClient.getParams().setParameter(AllClientPNames.CONNECTION_TIMEOUT, 2000);
   httpClient.getParams().setParameter(AllClientPNames.SO_TIMEOUT, 10000);
   List<NameValuePair> nvps = new ArrayList<NameValuePair>();
   nvps.add(new BasicNameValuePair("terminalId", "132456"));
   nvps.add(new BasicNameValuePair("startCity", "北京"));
   nvps.add(new BasicNameValuePair("endCity", "上海"));
   nvps.add(new BasicNameValuePair("trainNumber", "T284"));
   nvps.add(new BasicNameValuePair("searchType", "0"));
   HttpResponse httpResponse =null;
   String result="";
   try {
    httpPost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
    httpResponse = httpClient.execute(httpPost);
    BufferedInputStream buffer=new BufferedInputStream(httpResponse.getEntity().getContent());
    byte[] bytes=new byte[1024];
    int line=0;
    StringBuilder builder=new StringBuilder();
    while((line=buffer.read(bytes))!=-1){
     builder.append(new String(bytes,0,line,"UTF-8"));
    }
    result=builder.toString();
   } catch (Exception e) {
    e.printStackTrace();
   }finally{
    if(httpPost.isAborted()){
     httpPost.abort();
    }
    httpClient.getConnectionManager().shutdown();
   }
   System.out.println("result="+result);
 
 }

}