springBoot中添加：
依赖，测试类中吧下面代码考进来，执行即可。
package com.suyl.designpattern;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
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.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
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.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.LinkedList;
import java.util.List;
@RunWith(SpringRunner.class)
@SpringBootTest
public class DesignpatternApplicationTests {
@Test
public void getParams() {
// 获取连接客户端工具
CloseableHttpClient httpClient = HttpClients.createDefault();
String entityStr =null;
CloseableHttpResponse response =null;
try {
/*
* 由于GET请求的参数都是拼装在URL地址后方，所以我们要构建一个URL，带参数*/
URIBuilder uriBuilder =new URIBuilder("http://localhost:8888/admin/login?logout=1");
/** 第一种添加参数的形式 */
/*uriBuilder.addParameter("name", "root");
uriBuilder.addParameter("password", "123456");*/
/** 第二种添加参数的形式 */
List list =new LinkedList<>();
BasicNameValuePair param1 =new BasicNameValuePair("name","suyl");
BasicNameValuePair param2 =new BasicNameValuePair("password","123456");
list.add(param1);
list.add(param2);
uriBuilder.setParameters(list);
// 根据带参数的URI对象构建GET请求对象
HttpGet httpGet =new HttpGet(uriBuilder.build());
/*
* 添加请求头信息*/
// 浏览器表示
httpGet.addHeader("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.6)");
// 传输的类型
httpGet.addHeader("Content-Type","application/x-www-form-urlencoded");
// 执行请求
response = httpClient.execute(httpGet);
response.getEntity();
// 获得响应的实体对象
HttpEntity entity = response.getEntity();
// 使用Apache提供的工具类进行转换成字符串
entityStr = EntityUtils.toString(entity,"UTF-8");
}catch (ClientProtocolException e) {
System.err.println("Http协议出现问题");
e.printStackTrace();
}catch (ParseException e) {
System.err.println("解析错误");
e.printStackTrace();
}catch (URISyntaxException e) {
System.err.println("URI解析异常");
e.printStackTrace();
}catch (IOException e) {
System.err.println("IO异常");
e.printStackTrace();
}finally {
// 释放连接
if (null != response) {
try {
response.close();
httpClient.close();
}catch (IOException e) {
System.err.println("释放连接出错");
e.printStackTrace();
}
}
}
// 打印响应内容
System.out.println(entityStr);
}
@Test
public void postParams() {
// 获取连接客户端工具
CloseableHttpClient httpClient = HttpClients.createDefault();
String entityStr =null;
CloseableHttpResponse response =null;
try {
// 创建POST请求对象
HttpPost httpPost =new HttpPost("http://localhost:8888/admin/login?logout=1");
/*
* 添加请求参数*/
// 创建请求参数
List list =new LinkedList<>();
BasicNameValuePair param1 =new BasicNameValuePair("username","yilian");
BasicNameValuePair param2 =new BasicNameValuePair("password","1234560");
list.add(param1);
list.add(param2);
// 使用URL实体转换工具
UrlEncodedFormEntity entityParam =new UrlEncodedFormEntity(list,"UTF-8");
httpPost.setEntity(entityParam);
/*
* 添加请求头信息*/
// 浏览器表示
httpPost.addHeader("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.6)");
// 传输的类型
httpPost.addHeader("Content-Type","application/x-www-form-urlencoded");
// 执行请求
response = httpClient.execute(httpPost);
// 获得响应的实体对象
HttpEntity entity = response.getEntity();
// 使用Apache提供的工具类进行转换成字符串
entityStr = EntityUtils.toString(entity,"UTF-8");
// System.out.println(Arrays.toString(response.getAllHeaders()));
}catch (ClientProtocolException e) {
System.err.println("Http协议出现问题");
e.printStackTrace();
}catch (ParseException e) {
System.err.println("解析错误");
e.printStackTrace();
}catch (IOException e) {
System.err.println("IO异常");
e.printStackTrace();
}finally {
// 释放连接
if (null != response) {
try {
response.close();
httpClient.close();
}catch (IOException e) {
System.err.println("释放连接出错");
e.printStackTrace();
}
}
}
// 打印响应内容
System.out.println(entityStr);
}
}