From 65a1405d0fb18eb5fc899c02bb3d18ce3fc3aad6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?forest=E7=BE=BD?= <forest1xiao@icloud.com>
Date: Mon, 17 May 2021 15:18:44 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E9=95=BF=E5=BA=A6=E6=A0=A1?=
 =?UTF-8?q?=E9=AA=8C=E5=A4=84=E7=90=86=E7=B1=BB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../validator/custom/handler/SizeHandler.java | 42 +++++++++++++++++++
 .../custom/handler/ValidateHandlerHelper.java |  1 +
 2 files changed, 43 insertions(+)
 create mode 100644 src/main/java/cn/iocoder/dashboard/framework/validator/custom/handler/SizeHandler.java

diff --git a/src/main/java/cn/iocoder/dashboard/framework/validator/custom/handler/SizeHandler.java b/src/main/java/cn/iocoder/dashboard/framework/validator/custom/handler/SizeHandler.java
new file mode 100644
index 0000000000..7f07a552d4
--- /dev/null
+++ b/src/main/java/cn/iocoder/dashboard/framework/validator/custom/handler/SizeHandler.java
@@ -0,0 +1,42 @@
+package cn.iocoder.dashboard.framework.validator.custom.handler;
+
+import org.slf4j.helpers.MessageFormatter;
+
+import javax.validation.constraints.Size;
+
+/**
+ * <p>长度校验处理类
+ *
+ * @author xyf
+ * @date 2021/5/13
+ */
+public class SizeHandler implements ValidateAnnotationHandler<Size> {
+
+    /**
+     * 小于等于
+     */
+    private static final String VALUE_LT = "长度必须大于等于{}!";
+    /**
+     * 大于等于
+     */
+    private static final String VALUE_GT = "长度必须小于等于{}!";
+
+    @Override
+    public Class<Size> getAnnotation() {
+        return Size.class;
+    }
+
+    @Override
+    public String validate(Size validateAnnotation, Object fieldValue) {
+        if (fieldValue.toString().length() > validateAnnotation.max()) {
+            return MessageFormatter.format(VALUE_GT, fieldValue).getMessage();
+        }
+
+        if (fieldValue.toString().length() < validateAnnotation.min()) {
+            return MessageFormatter.format(VALUE_LT, fieldValue).getMessage();
+        }
+
+        return null;
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/java/cn/iocoder/dashboard/framework/validator/custom/handler/ValidateHandlerHelper.java b/src/main/java/cn/iocoder/dashboard/framework/validator/custom/handler/ValidateHandlerHelper.java
index 1d4393ab6f..c9739c84df 100644
--- a/src/main/java/cn/iocoder/dashboard/framework/validator/custom/handler/ValidateHandlerHelper.java
+++ b/src/main/java/cn/iocoder/dashboard/framework/validator/custom/handler/ValidateHandlerHelper.java
@@ -31,6 +31,7 @@ public class ValidateHandlerHelper {
         handlerSet.add(new NotBlankHandler());
         handlerSet.add(new MaxHandler());
         handlerSet.add(new MinHandler());
+        handlerSet.add(new SizeHandler());
     }