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springboot发送request请求的方式

news 2025/7/20 23:42:21

前言

java发送请求的方法有很多，这里只介绍两种。

hutool和RestTemplate

下边提供两种后端发送请求的方式，一个是基于hutool工具的，一个是基于RestTemplate的，为什么要写这两种呢，因为有的时候用hutool的方式不太管用，有的时候用RestTemplate也不太管用，所以就且换着用，谁能用，用谁。

hutool方式

get请求

	@GetMapping("/userEleList")@ResponseBodypublic JSONObject userEleList(@RequestParam(name = "userCode") String userCode, HttpServletRequest request) {String Authorization = request.getHeader("Authorization");String token = request.getHeader("token");String body = HttpUtil.createGet("http://ip:8068/userEleList?userCode=" + userCode).header("Authorization", Authorization).header("token", token).execute().body();return JSONObject.parseObject(body);}

	@GetMapping("/getKdToken")@ResponseBodypublic JSONObject userEleList(@RequestParam(name = "appId") String appId,@RequestParam(name = "appSecret") String appSecret,@RequestParam(name = "grantType") String grantType) {String post = HttpUtil.get("http://ip:8068/getKdToken?appId=" + appId + "&appSecret=" + appSecret + "&grantType=" + grantType);return JSONObject.parseObject(post);}

post请求

	@PostMapping("/eleRechargeMoneyAllList")@ResponseBodypublic JSONObject eleRechargeMoneyAllList(@RequestBody Map<String, Object> map, HttpServletRequest request) {String Authorization = request.getHeader("Authorization");String token = request.getHeader("token");Object elemeterId = map.get("elemeterId");Object money = map.get("money");Object selOrderno = map.get("selOrderno");String post = HttpUtil.createPost("http://ip:8068/eleRechargeMoneyAllList?elemeterId=" + elemeterId + "&money=" + money + "&adds=0&selOrderno=" + selOrderno + "&payType=40").header("Authorization", Authorization).header("token", token).execute().body();return JSONObject.parseObject(post);}

	@PostMapping("/GetClientByCnumber")@ResponseBodypublic JSONObject GetClientByCnumber(@RequestBody Map<String, Object> map) {String post = HttpUtil.post("http://ip:8006/GetClientByCnumber", map);return JSONObject.parseObject(post);}

RestTemplate方式

	@PostMapping("/userPricePay")@ResponseBodypublic JSONObject userPricePay(@RequestBody Map<String, Object> map, HttpServletRequest request) {String sign = request.getHeader("sign");RestTemplate restTemplate = new RestTemplate();// 设置请求头，指定Content-Type为application/jsonHttpHeaders headers = new HttpHeaders();headers.setContentType(MediaType.APPLICATION_JSON);//        headers.setContentType(MediaType.APPLICATION_JSON_UTF8);headers.set("sign", sign);// 将解析后的 JSON 对象转换为 MultiValueMapHttpEntity<Map<String, Object>> requestEntity = new HttpEntity<>(map, headers);ResponseEntity<String> exchange = restTemplate.exchange("https://ip:8080/userPricePay", HttpMethod.POST, requestEntity, String.class);return JSONObject.parseObject(exchange.getBody());}