(1)、maven地址
<dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-validator</artifactId> <version>6.0.1.Final</version> </dependency>
(2)、控制器定义
@RestController @RequestMapping("/api/panManage") @Validated public class PanManage extends Base { /** * 获取网盘数据 * * @param request * @return */ @GetMapping("/get") public ResponseJson get(@Valid @RequestBody PanGetRequest request) { return new ResponseJson(null, 200, "success"); } /** * 上传网盘数据 * * @param request * @return * @throws BusinessException */ @PostMapping("/set") public ResponseJson set(@Valid @RequestBody PanSetRequest request) { return new ResponseJson(null, 200, "success"); } }
(3)、实参定义
public class PanGetRequest { @NotNull(message = "文件编号不能为null") @NotBlank(message = "文件编号不能为空") String id; public String getId() { return id; } public void setId(String id) { this.id = id; } }
(4)、定义全局异常(校验失败会抛出异常)
@ExceptionHandler({MethodArgumentNotValidException.class}) public ResponseJson handleMethodArgumentNotValidException(MethodArgumentNotValidException ex) { BindingResult bindingResult = ex.getBindingResult(); StringBuilder sb = new StringBuilder("校验失败的参数"); for (FieldError fieldError : bindingResult.getFieldErrors()) { sb.append(fieldError.getField()).append(":").append(fieldError.getDefaultMessage()).append(", "); } String msg = sb.toString(); return new ResponseJson(null, 0, msg); } @ExceptionHandler({ConstraintViolationException.class}) @ResponseBody public ResponseJson handleConstraintViolationException(ConstraintViolationException ex) { return new ResponseJson(null, 0, ex.getMessage()); }
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