hibernate自定義校驗Valid
阿新 • • 發佈:2018-10-04
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步驟:
1.定義註解:
import javax.validation.Constraint; import javax.validation.Payload; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; @Target({ElementType.METHOD, ElementType.FIELD, ElementType.ANNOTATION_TYPE, ElementType.CONSTRUCTOR, ElementType.PARAMETER}) @Retention(RetentionPolicy.RUNTIME) @Constraint(validatedBy自定義校驗註解= MyValidatorClass.class) public @interface MyValidator { String message(); Class<?>[] groups() default {}; Class<? extends Payload>[] payload() default {}; }
2.定義校驗類
import javax.validation.ConstraintValidator; import javax.validation.ConstraintValidatorContext;自定義校驗邏輯/** * MyValidator,自定義註解 * String 標註在String類型的字段上,傳過來的值是String類型 */ public class MyValidatorClass implements ConstraintValidator<MyValidator,String> { /** * 初始化註解時執行的 * @param myValidator */ @Override public void initialize(MyValidator myValidator) { } /** * 真正的校驗邏輯 *@param o * @param constraintValidatorContext * @return */ @Override public boolean isValid(String o, ConstraintValidatorContext constraintValidatorContext) { return false; } }
3.使用
hibernate自定義校驗Valid