From ae3ca6829a5bae6088b6f6a005377f11fee03df8 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期一, 31 十月 2022 17:17:37 +0800
Subject: [PATCH] 1

---
 src/main/java/com/lf/server/helper/StringHelper.java |   28 ++++++++++++++++++++++++++--
 1 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/lf/server/helper/StringHelper.java b/src/main/java/com/lf/server/helper/StringHelper.java
index 69e73bd..b38ee98 100644
--- a/src/main/java/com/lf/server/helper/StringHelper.java
+++ b/src/main/java/com/lf/server/helper/StringHelper.java
@@ -64,6 +64,11 @@
     public static Pattern datePattern = Pattern.compile("^((\\d{2}(([02468][048])|([13579][26]))[\\-\\/]((((0?[13578])|(1[02]))[\\-\\/]((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/]((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/]((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/]((((0?[13578])|(1[02]))[\\-\\/]((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/]((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/]((0?[1-9])|(1[0-9])|(2[0-8]))))))(\\s(((0?[0-9])|([1-2][0-3]))\\:([0-5]?[0-9])((\\s)|(\\:([0-5]?[0-9])))))?$");
 
     /**
+     * SQL姝e垯
+     */
+    public static Pattern sqlPattern = Pattern.compile("|and|exec|execute|insert|select|delete|update|count|drop|\\*|%|chr|mid|master|truncate|char|declare|sitename|net user|xp_cmdshell|;|or|-|\\+|,|like");
+
+    /**
      * 瀛楃涓茶浆涓烘棩鏈�
      */
     public static Date parseDate(String str) {
@@ -111,8 +116,15 @@
     /**
      * 鑾峰彇 like 瀛楃涓�
      */
-    public static String getLikeStr(String name) {
-        return StringHelper.isEmpty(name) ? null : "%" + name.trim() + "%";
+    public static String getLikeStr(String str) {
+        return StringHelper.isEmpty(str) ? null : "%" + str.trim() + "%";
+    }
+
+    /**
+     * 鑾峰彇 like 瀛楃涓�-2
+     */
+    public static String getLikeStr2(String str) {
+        return StringHelper.isEmpty(str) ? "%" : "%" + str.trim() + "%";
     }
 
     /**
@@ -130,6 +142,18 @@
     }
 
     /**
+     * 鍒ゆ柇鍊兼槸鍚﹀瓨鍦⊿QL娉ㄥ叆
+     *
+     * @param str 瀛楃涓�
+     * @return 鏄�/鍚�
+     */
+    public static boolean isSqlInjection(String str) {
+        Matcher m = sqlPattern.matcher(str);
+
+        return m.matches();
+    }
+
+    /**
      * 鏍¢獙瀵嗙爜鏄�/鍚﹀悎娉�
      *
      * @param pwd 瀵嗙爜

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