From bd09e5b11ccb425d2b280c96b98dc110b1bb2c59 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Mon, 1 Nov 2021 15:02:47 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=AD=97=E7=AC=A6=E4=B8=B2?=
 =?UTF-8?q?=E6=97=A0=E6=B3=95=E8=A2=AB=E5=8F=8D=E8=BD=AC=E4=B9=89=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../ruoyi/common/utils/html/EscapeUtil.java   | 34 +++++++++++++------
 1 file changed, 23 insertions(+), 11 deletions(-)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/html/EscapeUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/html/EscapeUtil.java
index 65fd7920f..dda96c32f 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/html/EscapeUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/html/EscapeUtil.java
@@ -69,26 +69,37 @@ public class EscapeUtil
      */
     private static String encode(String text)
     {
-        int len;
-        if ((text == null) || ((len = text.length()) == 0))
+        if (StringUtils.isEmpty(text))
         {
             return StringUtils.EMPTY;
         }
-        StringBuilder buffer = new StringBuilder(len + (len >> 2));
+
+        final StringBuilder tmp = new StringBuilder(text.length() * 6);
         char c;
-        for (int i = 0; i < len; i++)
+        for (int i = 0; i < text.length(); i++)
         {
             c = text.charAt(i);
-            if (c < 64)
+            if (c < 256)
             {
-                buffer.append(TEXT[c]);
+                tmp.append("%");
+                if (c < 16)
+                {
+                    tmp.append("0");
+                }
+                tmp.append(Integer.toString(c, 16));
             }
             else
             {
-                buffer.append(c);
+                tmp.append("%u");
+                if (c <= 0xfff)
+                {
+                    // issue#I49JU8@Gitee
+                    tmp.append("0");
+                }
+                tmp.append(Integer.toString(c, 16));
             }
         }
-        return buffer.toString();
+        return tmp.toString();
     }
 
     /**
@@ -145,11 +156,12 @@ public class EscapeUtil
     public static void main(String[] args)
     {
         String html = "<script>alert(1);</script>";
+        String escape = EscapeUtil.escape(html);
         // String html = "<scr<script>ipt>alert(\"XSS\")</scr<script>ipt>";
         // String html = "<123";
         // String html = "123>";
-        System.out.println(EscapeUtil.clean(html));
-        System.out.println(EscapeUtil.escape(html));
-        System.out.println(EscapeUtil.unescape(html));
+        System.out.println("clean: " + EscapeUtil.clean(html));
+        System.out.println("escape: " + escape);
+        System.out.println("unescape: " + EscapeUtil.unescape(escape));
     }
 }