Spring Boot中优雅地处理参数传递的技巧分享

 @PostMapping("/test10")
    public Result test10(@RequestParam("file") MultipartFile file) {
        return Result.ok(200);
    }

  @GetMapping("/test3")
    public Result test3(@RequestParam("id") Integer id ,
                        @RequestParam("name") String name){
        return Result.ok(name+id);
    }

    @PostMapping("/test4")
    public Result test4(@RequestParam("name") String name) {
        return Result.ok(name);
    }

    @PostMapping("/test2/{id}")
    public Result test2(@PathVariable("id") Integer id) {
        return Result.ok(id);
    }

  @GetMapping("/test1/{id}/{name}")
    public Result test1(@PathVariable("id") Integer id,
                        @PathVariable("name") String name) {
        return Result.ok(id+":"+name);
    }

   @PostMapping("/test5")
    public Result test5(@RequestBody String name) {
        return Result.ok(name);
    }

{
  "name": "李四"
}

    @PostMapping("/test6")
    public Result test6(@RequestBody User user) {
        return Result.ok(user);
    }

    @PostMapping("/test7")
    public Result test7(@RequestBody HashMap map) {
        return Result.ok(map);
    }

    @PostMapping("/test8")
    public Result test8(@RequestBody List<User> list) {
        return Result.ok(list);
    }

    @PostMapping("/test9")
    public Result test9(@RequestHeader("token") String token ) {
        return Result.ok(token);
    }

@RestController
@RequestMapping("/request")
public class HttpServletRequestController {
 
    @GetMapping("/getUrlValue")
    public String getUrlValue(HttpServletRequest request) {
        // 没有的时候不会报错，直接为null
        String msg = request.getParameter("msg");
        System.out.println(msg);
        return msg;
    }
 
    @GetMapping("/getUrlValues")
    public String getHttpServletRequestValue(HttpServletRequest request) {
        Map<String, String[]> parameterMap = request.getParameterMap();
        return JSONObject.toJSONString(request.getParameterMap());;
    }
}