From ea9437eacfece70c11b217472b832df21f9113ef Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期四, 10 二月 2022 17:18:07 +0800
Subject: [PATCH] 修复Xss注解字段值为空时的异常问题

---
 src/main/java/com/ruoyi/common/xss/XssValidator.java |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/ruoyi/common/xss/XssValidator.java b/src/main/java/com/ruoyi/common/xss/XssValidator.java
index 4316372..34d0700 100644
--- a/src/main/java/com/ruoyi/common/xss/XssValidator.java
+++ b/src/main/java/com/ruoyi/common/xss/XssValidator.java
@@ -1,5 +1,6 @@
 package com.ruoyi.common.xss;
 
+import com.ruoyi.common.utils.StringUtils;
 import javax.validation.ConstraintValidator;
 import javax.validation.ConstraintValidatorContext;
 import java.util.regex.Matcher;
@@ -12,15 +13,19 @@
  */
 public class XssValidator implements ConstraintValidator<Xss, String>
 {
-    private final String HTML_PATTERN = "<(\\S*?)[^>]*>.*?|<.*? />";
+    private static final String HTML_PATTERN = "<(\\S*?)[^>]*>.*?|<.*? />";
 
     @Override
     public boolean isValid(String value, ConstraintValidatorContext constraintValidatorContext)
     {
+        if (StringUtils.isBlank(value))
+        {
+            return true;
+        }
         return !containsHtml(value);
     }
 
-    public boolean containsHtml(String value)
+    public static boolean containsHtml(String value)
     {
         Pattern pattern = Pattern.compile(HTML_PATTERN);
         Matcher matcher = pattern.matcher(value);

--
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