原文:https://www.cnblogs.com/johnson-yuan/p/6713384.html
package com.day3.sample;
//首先下面我我们需要导入的jar包和文件
import java.io.IOException; import java.util.ArrayList; import java.util.List;
import org.apache.http.Consts;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
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;
public class HttpClientDemo2 {
//构造POST请求
public void test_post(){
//新建一个客户对象
CloseableHttpClient client = HttpClients.createDefault();
//新建一个HttpPost请求的对象 --并将uri传给这个对象
HttpPost post = new HttpPost("http://localhost:8080/test1312/Calc");
//使用NameValuePair 键值对 对参数进行打包
List<NameValuePair> list = new ArrayList<NameValuePair>
list.add(new BasicNameValuePair("a","1"));
list.add(new BasicNameValuePair("b","2"));
//4.对打包好的参数,使用UrlEncodedFormEntity工具类生成实体的类型数据
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list,Consts.UTF_8);
//5.将含有请求参数的实体对象放到post请求中
post.setEntity(entity);
//6.新建一个响应对象来接收客户端执行post的结果
CloseableHttpResponse response = client.execute(post);
//7.从响应对象中提取需要的结果-->实际结果,与预期结果进行对比
if(response.getStatusLine().getStatusCode() == 200){
System.out.println(EntityUtils.toString(response.getEntity()));
}
}
}
//编写过程中如果有异常请选择shrow这个异常
//然后对这个类中的方法进行调用就可以实现了对接口的测试了
package com.day3.sample;
import java.io.IOException;
import org.apache.http.client.ClientProtocolException;
public class HttpClientDemo2Test {
public static void main(String[] args) throws ClientProtocolException, IOException {
HttpClientDemo2 demo2 = new HttpClientDemo2();
demo2.test_post();
}
}
/*
* Project: payment.wechat.api
*
* File Created at 2017年12月27日
*
* Copyright 2016 CMCC Corporation Limited.
* All rights reserved.
*
* This software is the confidential and proprietary information of
* ZYHY Company. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license.
*/
package com.cmcc.hybj.payment.wechatapi.controller;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.Consts;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
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;
/**
* @Type HttpClientDemo2.java
* @Desc //构造post请求
* @author gy
* @date 2017年12月27日 下午2:20:52
* @version
*/
public class HttpClientDemo2 {
//构造post请求
public void test_post() throws ClientProtocolException, IOException {
//新建一个客户对象
CloseableHttpClient client = HttpClients.createDefault();
//新建一个HttpPost请求的对象 --并将uri传给这个对象
HttpPost post = new HttpPost("http://localhost:8080/test1312/Calc");
//使用NameValuePair 键值对 对参数进行打包
List<NameValuePair> list = new ArrayList<NameValuePair>();
list.add(new BasicNameValuePair("a", "1"));
list.add(new BasicNameValuePair("b", "2"));
//4.对打包好的参数,使用UrlEncodedFormEntity工具类生成实体的类型数据
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, Consts.UTF_8);
//5.将含有请求参数的实体对象放到post请求中
post.setEntity(entity);
//6.新建一个响应对象来接收客户端执行post的结果
CloseableHttpResponse response = client.execute(post);
//7.从响应对象中提取需要的结果-->实际结果,与预期结果进行对比
if (response.getStatusLine().getStatusCode() == 200) {
System.out.println(EntityUtils.toString(response.getEntity()));
}
}
public static void main(String[] args) throws ClientProtocolException, IOException {
HttpClientDemo2 demo2 = new HttpClientDemo2();
demo2.test_post();
}
}
/**
* Revision history
* -------------------------------------------------------------------------
*
* Date Author Note
* -------------------------------------------------------------------------
* 2017年12月27日 Administrator creat
*/