apache Httpclient GET and POST

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package com.yundongsports.arena.util;

/**
* Created by CF on 2017/1/6.
*/
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Value;

public class HttpRequestUtils {
//成功
private static boolean TYPE=true;
@Value(“${base.web.url}”)
private static String serverHost;
/**
* 通过GET方式发起http请求
*/
public static boolean requestByGetMethod(String url){
//创建默认的httpClient实例
CloseableHttpClient httpClient = getHttpClient();
try {
//用get方法发送http请求
HttpGet get = new HttpGet(url);
System.out.println(“执行get请求:….”+get.getURI());
CloseableHttpResponse httpResponse = null;
//发送get请求
httpResponse = httpClient.execute(get);
try{
//response实体
HttpEntity entity = httpResponse.getEntity();
if (null != entity){
System.out.println(“响应状态码:”+ httpResponse.getStatusLine());
System.out.println(“————————————————-“);
System.out.println(“响应内容:” + EntityUtils.toString(entity));
System.out.println(“————————————————-“);
}
}
finally{
httpResponse.close();
}
} catch (Exception e) {
e.printStackTrace();//TODO
return TYPE=false;
}
finally{
try{
closeHttpClient(httpClient);
} catch (IOException e){
e.printStackTrace();
}
}
return TYPE;
}

/** * POST方式发起http请求 */public static boolean requestByPostMethod(String url){    CloseableHttpClient httpClient = getHttpClient();    try {        HttpPost post = new HttpPost(url);          //这里用上本机的某个工程做测试        //创建参数列表        List<NameValuePair> list = new ArrayList<NameValuePair>();        list.add(new BasicNameValuePair("j_username", "admin"));        list.add(new BasicNameValuePair("j_password", "admin"));        //url格式编码        UrlEncodedFormEntity uefEntity = new UrlEncodedFormEntity(list,"UTF-8");        post.setEntity(uefEntity);        System.out.println("POST 请求...." + post.getURI());        //执行请求        CloseableHttpResponse httpResponse = httpClient.execute(post);        try{            HttpEntity entity = httpResponse.getEntity();            if (null != entity){                System.out.println("-------------------------------------------------------");                System.out.println(EntityUtils.toString(uefEntity));                System.out.println("-------------------------------------------------------");            }        } finally{            httpResponse.close();        }    } catch( UnsupportedEncodingException e){        e.printStackTrace();        return  TYPE=false;//TODO    }    catch (IOException e) {        e.printStackTrace();    }    finally{        try{            closeHttpClient(httpClient);        } catch(Exception e){            e.printStackTrace();        }    }    return  TYPE;}private static CloseableHttpClient getHttpClient(){    return HttpClients.createDefault();}private static void closeHttpClient(CloseableHttpClient client) throws IOException{    if (client != null){        client.close();    }}public static void main(String[] args) {   boolean a= requestByGetMethod("http://192.168.2.163:8999/");    System.out.print("a = " + a);}

}

maven————————————————————————–:

org.apache.httpcomponents
httpclient
4.3.5

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