Comment SpringBoot effectue-t-il la vérification des paramètres ?

package com.didiplus.modules.sys.controller; import com.didiplus.modules.sys.domain.SysDictType; import io.swagger.annotations.Api; import io.swagger.annotations.ApiOperation; import io.swagger.v3.oas.annotations.parameters.RequestBody; import org.springframework.validation.annotation.Validated; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.PutMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; /** * Author: didiplus * Email: 972479352@qq.com * CreateTime: 2022/4/25 * Desc: 数据字典控制器 */ @RestController @Api(tags = "数据字典") @RequestMapping("/api/sys/dictType") public class SysDictTypeController { @ApiOperation("字典添加") @PostMapping("/add") public SysDictType add(@Validated @RequestBody SysDictType sysDictType) { return sysDictType; } @ApiOperation("字典修改") @PutMapping("/edit") public SysDictType edit(@Validated @RequestBody SysDictType sysDictType) { return sysDictType; } }

package com.didiplus.common.web.response.Handler; import com.didiplus.common.web.response.Result; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; import org.springframework.validation.BindException; import org.springframework.validation.ObjectError; import org.springframework.web.bind.MethodArgumentNotValidException; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.RestControllerAdvice; import javax.validation.ConstraintViolation; import javax.validation.ConstraintViolationException; import javax.validation.ValidationException; import java.util.stream.Collectors; /** * Author: didiplus * Email: 972479352@qq.com * CreateTime: 2022/4/24 * Desc: 默认全局异常处理。 */ @RestControllerAdvice public class RestExceptionHandler { /** * 默认全局异常处理。 * @param e the e * @return ResultData */ @ExceptionHandler(value = {BindException.class, ValidationException.class, MethodArgumentNotValidException.class}) public ResponseEntity> handleValidatedException(Exception e) { Result result = null; if (e instanceof MethodArgumentNotValidException) { MethodArgumentNotValidException ex =(MethodArgumentNotValidException) e; result = Result.failure(HttpStatus.BAD_REQUEST.value(), ex.getBindingResult().getAllErrors().stream() .map(ObjectError::getDefaultMessage) .collect(Collectors.joining(";")) ); } else if (e instanceof ConstraintViolationException){ ConstraintViolationException ex = (ConstraintViolationException) e; result = Result.failure(HttpStatus.BAD_REQUEST.value(), ex.getConstraintViolations().stream() .map(ConstraintViolation::getMessage) .collect(Collectors.joining(";")) ); }else if (e instanceof BindException) { BindException ex = (BindException ) e; result = Result.failure(HttpStatus.BAD_REQUEST.value(), ex.getAllErrors().stream() .map(ObjectError::getDefaultMessage) .collect(Collectors.joining(";")) ); } return new ResponseEntity<>(result,HttpStatus.BAD_REQUEST); } }

package com.didiplus.common.annotation; import javax.validation.Constraint; import javax.validation.Payload; import java.lang.annotation.Documented; import java.lang.annotation.Repeatable; import java.lang.annotation.Retention; import java.lang.annotation.Target; import static java.lang.annotation.ElementType.*; import static java.lang.annotation.RetentionPolicy.RUNTIME; /** * Author: didiplus * Email: 972479352@qq.com * CreateTime: 2022/4/26 * Desc: */ @Target({METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER, TYPE_USE}) @Retention(RUNTIME) @Repeatable(EnumString.List.class) @Documented @Constraint(validatedBy = EnumStringValidator.class)//标明由哪个类执行校验逻辑 public @interface EnumString { String message() default "value not in enum values."; Class[] groups() default {}; Class[] palyload() default {}; /** * @return date must in this value array */ String[] value(); /** * Defines several {@link EnumString} annotations on the same element. * * @see EnumString */ @Target({METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER, TYPE_USE}) @Retention(RUNTIME) @Documented @interface List { EnumString[] value(); } }

package com.didiplus.common.annotation; import javax.validation.ConstraintValidator; import javax.validation.ConstraintValidatorContext; import java.util.Arrays; import java.util.List; /** * Author: didiplus * Email: 972479352@qq.com * CreateTime: 2022/4/26 * Desc: */ public class EnumStringValidator implements ConstraintValidator { private List enumStringList; @Override public void initialize(EnumString constraintAnnotation) { enumStringList = Arrays.asList(constraintAnnotation.value()); } @Override public boolean isValid(String value, ConstraintValidatorContext constraintValidatorContext) { if(value == null) { return true; } return enumStringList.contains(value); } }

@ApiModelProperty(value = "性别") @EnumString(value = {"F","M"}, message="性别只允许为F或M") private String sex;

package com.didiplus.common.base; import javax.validation.groups.Default; /** * Author: didiplus * Email: 972479352@qq.com * CreateTime: 2022/4/26 * Desc: */ public interface ValidGroup extends Default { interface Crud extends ValidGroup{ interface Create extends Crud{ } interface Update extends Crud{ } interface Query extends Crud{ } interface Delete extends Crud{ } } }

@Null(groups = ValidGroup.Crud.Create.class) @NotNull(groups = ValidGroup.Crud.Update.class,message = "字典ID不能为空") @ApiModelProperty("ID") private String id;