From 5e713b7fc244c3163ccf6765b7df08970ca41cc8 Mon Sep 17 00:00:00 2001
From: wangyu <727842003@qq.com>
Date: Tue, 28 Sep 2021 10:02:53 +0800
Subject: [PATCH] =?UTF-8?q?feat=EF=BC=9A=E6=96=B0=E5=A2=9E=E5=80=BC?=
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---
 .../validation/annotations/Money.java         | 38 +++++++++++++++++++
 .../validation/validators/MoneyValidator.java | 29 ++++++++++++++
 2 files changed, 67 insertions(+)
 create mode 100644 flyfish-common/src/main/java/com/flyfish/framework/validation/annotations/Money.java
 create mode 100644 flyfish-common/src/main/java/com/flyfish/framework/validation/validators/MoneyValidator.java

diff --git a/flyfish-common/src/main/java/com/flyfish/framework/validation/annotations/Money.java b/flyfish-common/src/main/java/com/flyfish/framework/validation/annotations/Money.java
new file mode 100644
index 0000000..2ae02fb
--- /dev/null
+++ b/flyfish-common/src/main/java/com/flyfish/framework/validation/annotations/Money.java
@@ -0,0 +1,38 @@
+package com.flyfish.framework.validation.annotations;
+
+import com.flyfish.framework.validation.annotations.Money.List;
+import com.flyfish.framework.validation.validators.MoneyValidator;
+
+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;
+
+@Target({METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER})
+@Retention(RUNTIME)
+@Documented
+@Constraint(validatedBy = {MoneyValidator.class})
+@Repeatable(List.class)
+public @interface Money {
+
+    String message() default "不是合法的金额！";
+
+    //分组
+    Class<?>[] groups() default {};
+
+    //负载
+    Class<? extends Payload>[] payload() default {};
+
+    //指定多个时使用
+    @Target({FIELD, METHOD, PARAMETER, ANNOTATION_TYPE})
+    @Retention(RUNTIME)
+    @Documented
+    @interface List {
+        Money[] value();
+    }
+}
diff --git a/flyfish-common/src/main/java/com/flyfish/framework/validation/validators/MoneyValidator.java b/flyfish-common/src/main/java/com/flyfish/framework/validation/validators/MoneyValidator.java
new file mode 100644
index 0000000..8f855f8
--- /dev/null
+++ b/flyfish-common/src/main/java/com/flyfish/framework/validation/validators/MoneyValidator.java
@@ -0,0 +1,29 @@
+package com.flyfish.framework.validation.validators;
+
+import com.flyfish.framework.validation.annotations.Money;
+
+import javax.validation.ConstraintValidator;
+import javax.validation.ConstraintValidatorContext;
+
+/**
+ * 金额验证器
+ * @author wangyu
+ */
+public class MoneyValidator implements ConstraintValidator<Money, Long> {
+
+    /**
+     * Implements the validation logic.
+     * The state of {@code value} must not be altered.
+     * <p>
+     * This method can be accessed concurrently, thread-safety must be ensured
+     * by the implementation.
+     *
+     * @param value   object to validate
+     * @param context context in which the constraint is evaluated
+     * @return {@code false} if {@code value} does not pass the constraint
+     */
+    @Override
+    public boolean isValid(Long value, ConstraintValidatorContext context) {
+        return value >= 9;
+    }
+}