Controller

  1. @Controller 处理http请求，返回模版
  2. @RestController 处理http请求，返回JSON

等同于 @Controller +

  1. 处理url映射
  1. @RestController 
  2. @RequestMapping("/a")
  3. public class HelloController {
  6.     @Autowired
  7.     private LimitConfig limitConfig;
  9.     // 请求url -> http://localhost:8081/luckymoney/a/hello/100
  10.     // 返回 -> id100
  11.     @GetMapping("/hello/{id}")
  12.     public String sayId(@PathVariable("id") Integer id) {
  13.         return "id" + id;
  14.     }
  16.      // 请求url -> http://localhost:8081/luckymoney/a/hello?id=100
  17.     // 返回 -> id100
  18.     @GetMapping("/hello")
  19.     public String sayNum(@RequestParam("id") Integer id) {
  20.         return "id" + id;
  21.     }
  23.     @PostMapping("/h2")
  24.     public String sayh() {
  25.         return "minmoney: " + limitConfig.getMinMoney()  + "  reson:  " + limitConfig.getDescription();
  26.     }
  28. }