From e4ccbc66010f7c26ea4b014fe6199b41dd9667af Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Thu, 07 Nov 2024 22:15:27 +0800
Subject: [PATCH] 支持自定义显示Excel属性列
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java
index 40a800d..e345cb4 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java
@@ -13,12 +13,17 @@
/**
* 定义常用的 sql关键字
*/
- public static String SQL_REGEX = "and |extractvalue|updatexml|exec |insert |select |delete |update |drop |count |chr |mid |master |truncate |char |declare |or |+|user()";
+ public static String SQL_REGEX = "and |extractvalue|updatexml|sleep|exec |insert |select |delete |update |drop |count |chr |mid |master |truncate |char |declare |or |union |like |+|/*|user()";
/**
* 仅支持字母、数字、下划线、空格、逗号、小数点（支持多个字段排序）
*/
public static String SQL_PATTERN = "[a-zA-Z0-9_\\ \\,\\.]+";
+
+ /**
+ * 限制orderBy最大长度
+ */
+ private static final int ORDER_BY_MAX_LENGTH = 500;
/**
* 检查字符，防止注入绕过
@@ -29,6 +34,10 @@
{
throw new UtilException("参数不符合规范，不能进行查询");
}
+ if (StringUtils.length(value) > ORDER_BY_MAX_LENGTH)
+ {
+ throw new UtilException("参数已超过最大限制，不能进行查询");
+ }
return value;
}
--
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