springboot发送request请求的方式小结

目录

• 前言
• hutool和RestTemplate
• hutool方式
• RestTemplate方式

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")
    @ResponseBody
    public 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")
    @ResponseBody
    public JSONObject userEleList(@RequestParam(name = "appId") String appId,
                                  @RequestParam(name = "appSecret") String appSecret,
                                  @RequesjavascripttParam(name = "grantType") String grantType) {
        String post = HttpUtil.get("http://ip:8068/getKdToken?appId=" + appId + "&appSecret=" + a编程客栈ppSecret + "&grantType=" + grantType);
        return JSONObject.parseObject(post);
    }

post请求

	@PostMapping("/eleRechargeMoneyAllList")
    @ResponseBody
    public 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://ipandroid:8068/eleRechargeMoneyAllList?elemeterId=" + elemeterId + "&money=" + money + "&adds=0&selOrderno=" + selOrderno + "&payType=40")
                .header("Authorization", Authorization)
                .header("token", token)
http://www.devze.com                .execute()
                .body();
        return JSONObject.parseObject(post);
    }

	@PostMapping("/GetClientByCnumber")
	@ResponseBody
	 public 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")
	@ResponseBody
	public 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/json
		   HttpHeaders 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 MultiValueMap
		   HttpEntity<Map<String, Object>> requestEntity = new Http编程Entity<>(map, headers);
		   ResponseEntity<String> exchange = restTemplate.exchange("https://ip:8080/userPricePay", HttpMethod.POST, requestEntity, String.class);
		   return JSONObject.parseObject(exchange.getBody());
	}

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