package com.example.demo.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.SimpleClientHttpRequestFactory;
import org.springframework.web.client.RestTemplate;
@Configuration
public class HttpConfig {
/**
* 两分钟超时时间
*/
private int outtime = 2 * 60 * 1000;
@Bean
public RestTemplate restTemplate() {
SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory();
requestFactory.setConnectTimeout(outtime);
requestFactory.setReadTimeout(outtime);
return new RestTemplate();
}
}
package com.example.demo.service;
import com.alibaba.fastjson.JSONObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;
import java.util.Map;
/**
* Http请求Service
*/
@Service
public class HttpService {
@Autowired
private RestTemplate restTemplate;
/**
* get请求
*
* @param url 请求地址
* @param headerMap 头部信息
* @param resp 响应结果类型
* @return
*/
public Object get(String url, Map<String, String> headerMap, Class<?> resp) {
HttpHeaders httpHeaders = new HttpHeaders();
for (Map.Entry<String, String> stringStringEntry : headerMap.entrySet()) {
httpHeaders.add(stringStringEntry.getKey(), stringStringEntry.getValue());
}
HttpEntity httpEntity = new HttpEntity(httpHeaders);
ResponseEntity<?> result = restTemplate.exchange(url, HttpMethod.GET, httpEntity, resp);
return result.getBody();
}
/**
* post 请求
*
* @param url 请求地址
* @param headerMap 头信息
* @param jsonObject 请求参数 JSON
* @return JSONObject
*/
public JSONObject post(String url, Map<String, String> headerMap, JSONObject jsonObject) {
HttpHeaders httpHeaders = new HttpHeaders();
for (Map.Entry<String, String> stringStringEntry : headerMap.entrySet()) {
httpHeaders.add(stringStringEntry.getKey(), stringStringEntry.getValue());
}
HttpEntity httpEntity = new HttpEntity(jsonObject, httpHeaders);
JSONObject result = restTemplate.postForObject(url, httpEntity, JSONObject.class);
return result;
}
}
/** * 测试get */ @Test public void getService() { Map<String, String> map = new HashMap<>(); map.put("abc", "23434"); String obj = (String) httpService.get("http://127.0.0.1:8080/b", map, String.class); System.out.println(obj); } /** * 测试post */ @Test public void postService() { Map<String, String> map = new HashMap<>(); map.put("abc", "54545"); JSONObject jsonObject = new JSONObject(); jsonObject.put("name", "孙悟空"); JSONObject obj = httpService.post("http://127.0.0.1:8080/a", map, jsonObject); System.out.println(obj); }
原文：https://www.cnblogs.com/coderdxj/p/14056089.html