媒介
java发送请求的方法有很多,这里只先容两种。
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,由于有的时间用hutool的方式不太管用,有的时间用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);
- }
复制代码- @GetMapping("/getKdToken")
- @ResponseBody
- public 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);
- }
复制代码 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://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);
- }
复制代码- @PostMapping("/GetClientByCnumber")
- @ResponseBody
- public JSONObject GetClientByCnumber(@RequestBody Map<String, Object> map) {
- String post = HttpUtil.post("http://ip:8006/GetClientByCnumber", map);
- return JSONObject.parseObject(post);
- }
复制代码 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 HttpEntity<>(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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