做网站多少钱/seo排名优化厂家

@PostMapping("/addUser")
public ResultVO<String> addUser(@RequestBody @Valid User user, BindingResult bindingResult) {for (ObjectError error : bindingResult.getAllErrors()) {// 拿到校验错误的参数字段String field = bindingResult.getFieldError().getField();// 判断是哪个字段发生了错误，然后返回数据响应体switch (field) {case "account":return new ResultVO<>(100001, "账号验证错误", error.getDefaultMessage());case "password":return new ResultVO<>(100002, "密码验证错误", error.getDefaultMessage());case "email":return new ResultVO<>(100003, "邮箱验证错误", error.getDefaultMessage());}}// 没有错误则返回则直接返回正确的信息return new ResultVO<>(userService.addUser(user));
}

@PostMapping("/addUser")
public ResultVO<String> addUser(@RequestBody User user) {// 参数校验if (user.getAccount().length() < 6 || user.getAccount().length() > 11) {return new ResultVO<>(100001, "账号验证错误", "账号长度必须是6-11个字符");}if (user.getPassword().length() < 6 || user.getPassword().length() > 16) {return new ResultVO<>(100002, "密码验证错误", "密码长度必须是6-16个字符");}if (!Pattern.matches("^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(.[a-zA-Z0-9_-]+)+$", user.getEmail())) {return new ResultVO<>(100003, "邮箱验证错误", "邮箱格式不正确");}// 没有错误则返回则直接返回正确的信息return new ResultVO<>(userService.addUser(user));
}

/*** @author RC* @description 自定义参数校验错误码和错误信息注解*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD}) // 表明该注解只能放在类的字段上
public @interface ExceptionCode {// 响应码codeint value() default 100000;// 响应信息msgString message() default  "参数校验错误";
}

@Data
public class User {@NotNull(message = "用户id不能为空")private Long id;@NotNull(message = "用户账号不能为空")@Size(min = 6, max = 11, message = "账号长度必须是6-11个字符")@ExceptionCode(value = 100001, message = "账号验证错误")private String account;@NotNull(message = "用户密码不能为空")@Size(min = 6, max = 11, message = "密码长度必须是6-16个字符")@ExceptionCode(value = 100002, message = "密码验证错误")private String password;@NotNull(message = "用户邮箱不能为空")@Email(message = "邮箱格式不正确")@ExceptionCode(value = 100003, message = "邮箱验证错误")private String email;
}

@RestControllerAdvice
public class ExceptionControllerAdvice {@ExceptionHandler(MethodArgumentNotValidException.class)public ResultVO<String> MethodArgumentNotValidExceptionHandler(MethodArgumentNotValidException e) throws NoSuchFieldException {// 从异常对象中拿到错误信息String defaultMessage = e.getBindingResult().getAllErrors().get(0).getDefaultMessage();// 参数的Class对象，等下好通过字段名称获取Field对象Class<?> parameterType = e.getParameter().getParameterType();// 拿到错误的字段名称String fieldName = e.getBindingResult().getFieldError().getField();Field field = parameterType.getDeclaredField(fieldName);// 获取Field对象上的自定义注解ExceptionCode annotation = field.getAnnotation(ExceptionCode.class);// 有注解的话就返回注解的响应信息if (annotation != null) {return new ResultVO<>(annotation.value(),annotation.message(),defaultMessage);}// 没有注解就提取错误提示信息进行返回统一错误码return new ResultVO<>(ResultCode.VALIDATE_FAILED, defaultMessage);}}

@ApiOperation("添加用户")
@PostMapping("/addUser")
public String addUser(@RequestBody @Valid User user) {return userService.addUser(user);
}

@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD}) // 表明该注解只能放在方法上
public @interface NotResponseBody {
}

@GetMapping("/getUser")
@NotResponseBody
public User getUser() {User user = new User();user.setId(1L);user.setAccount("12345678");user.setPassword("12345678");user.setEmail("123@qq.com");return user;
}

@RestControllerAdvice(basePackages = {"com.rudecrab.demo.controller"})
public class ResponseControllerAdvice implements ResponseBodyAdvice<Object> {@Overridepublic boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> aClass) {// 如果接口返回的类型本身就是ResultVO那就没有必要进行额外的操作，返回false// 如果方法上加了我们的自定义注解也没有必要进行额外的操作return !(returnType.getParameterType().equals(ResultVO.class) || returnType.hasMethodAnnotation(NotResponseBody.class));}...
}