From 5d7b65670282a4fad015e37d567cfa171b162052 Mon Sep 17 00:00:00 2001
From: huliguo <2023611923@qq.com>
Date: 星期二, 20 五月 2025 12:25:19 +0800
Subject: [PATCH] 基础代码

---
 pt-common/src/main/java/com/ruoyi/common/xss/XssValidator.java |   39 +++++++++++++++++++++++++++++++++++++++
 1 files changed, 39 insertions(+), 0 deletions(-)

diff --git a/pt-common/src/main/java/com/ruoyi/common/xss/XssValidator.java b/pt-common/src/main/java/com/ruoyi/common/xss/XssValidator.java
new file mode 100644
index 0000000..42f425c
--- /dev/null
+++ b/pt-common/src/main/java/com/ruoyi/common/xss/XssValidator.java
@@ -0,0 +1,39 @@
+package com.ruoyi.common.xss;
+
+import com.ruoyi.common.utils.StringUtils;
+import javax.validation.ConstraintValidator;
+import javax.validation.ConstraintValidatorContext;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * 自定义xss校验注解实现
+ * 
+ * @author ruoyi
+ */
+public class XssValidator implements ConstraintValidator<Xss, String>
+{
+    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 static boolean containsHtml(String value)
+    {
+        StringBuilder sHtml = new StringBuilder();
+        Pattern pattern = Pattern.compile(HTML_PATTERN);
+        Matcher matcher = pattern.matcher(value);
+        while (matcher.find())
+        {
+            sHtml.append(matcher.group());
+        }
+        return pattern.matcher(sHtml).matches();
+    }
+}
\ No newline at end of file

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