T-SQL篇怎样防范SQL注入的解决方法

发布时间：2023-07-25 14:08:01 所属栏目：MsSql教程来源：

导读：整理的这篇文章主要介绍了T-SQL篇如何防止SQL注入的解决方法，编程之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。

1.什么是sql注入

所谓sql注入式攻击，就是攻击者把sql命令插入到Web表单的输入

整理的这篇文章主要介绍了T-SQL篇如何防止SQL注入的解决方法，编程之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。

1.什么是sql注入

所谓sql注入式攻击，就是攻击者把sql命令插入到Web表单的输入域或页面请求的查询字符串，欺骗服务器执行恶意的sql命令。在某些表单中，用户输入的内容直接用来构造（或者影响）动态sql命令，或作为存储过程的输入参数，这类表单特别容易受到sql注入式攻击。

2.怎么进行sql注入

关于怎么进行sql注入，网上已经有很多文章详细介绍过了，可以参考博友滴答的雨的博文《sql注入攻防入门详解》，亲测有效。当执行完文中的5、6、7三步的时候，你会发现服务器上的安全保护措施都已是浮云，服务器也因此变成了名副其实的“肉机”。下面附上一张我在本机执行完文中描述的脚本后的效果截图（Win8 x64 操作系统）：

微软的“不禁止即允许(Not forbidden is allow)”的做法使得操作系统像是服务器所穿的镂空礼物一样，美观但却有很多“漏洞”。好了，现在此小黑已经拥有了服务器的管理员权限，很显然元芳怎么看已经不重要了。

3.如何防止sql注入的发生

滴答的雨已经在博文详细阐述了sql Server数据库如何进行防注入的操作，这里不再赘述。这一篇我主要说一下对于一个使用拼接sql进行查询操作的Web应用，怎么进行防注入操作。

先说一些前提，为什么我们要使用拼接sql的方式进行查询？偷懒呗。这在开发过程中，看似省去了编写参数化部分的代码量，节省了时间和精力。但这样做的结果就是应用的安全性大打折扣，而且拼sql方式创建的应用，后期的维护难度也很大。sql参数化查询是最简单有效的避免sql注入的解决方案，目前主流的ORM框架（MyBatis.NET/NHibernate/EntityFramework）都内置支持并且推荐使用这种方式进行持久层封装。然而有数据库不支持参数化查询怎么办？是的，你没有看错，确实有这样的数据库存在。吐个槽先，个人认为，一切不支持参数化查询的数据库都是在“耍流氓”，这种天然的缺陷会让小黑们肆无忌惮地去“非礼”服务器，至少是数据库本身。在这样的情况下，我觉得其他功能做得再好也只能算是花拳绣腿，连最基本的数据都保护不了，那不等同于将劳动成果拱手让人。按照存在即合理的逻辑，我们暂且认为它是合理的。来说说我目前的做法，基于上述数据库创建的Web应用，拼接sql操作已经渗透到站点的每个页面、每个用户控件，所以我采用的方式是请求过滤。

下面是防sql注入的操作类：

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ottOM: 0px; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

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ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    sqlInject : System.Web.UI.Page

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ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   自定义错误页面；3：警告+记录+自定义错误页面

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ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

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ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      StrKeyWord = ConfigurationManager.AppSettings[sqlKeyWord"]; runcate|asc(|mid(|char(|xp_cmdshell|exec|master|net local group administrators|net user|or|and";

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      StrRegex = ConfigurationManager.AppSettings[sqlRegex"];

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ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    sqlInject(System.Web.HttpRequest _request)

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ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    .request = _request;

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ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   sql注入及记录、显示出错信息

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

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ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     isInject = ;

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ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    {

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ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

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ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      0:

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      ShowErr();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      1:

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      ShowErr();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      SavetoMdb();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      2:

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      ShowErr();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">       temp;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      System.Web.HttpContext.Current.Response.Write(setTimeout(\"" + + ");

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      3:

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      ShowErr();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      SavetoMdb();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      System.Web.HttpContext.Current.Response.Write(setTimeout(\"" + + ottOM-STYLE: none">      ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     :

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    System.Web.HttpContext.Current.Response.End();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     SavetoMdb()

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    OleDbConnection conn = OleDbConnection(ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    conn.open();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    OleDbCommand cmd = conn.CreateCommand();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    cmd.CommandText = +

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">        request.ServerVariables[].ToString() + +

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">        DateTime.Now + + request.ServerVariables[].ToLower() + RelaceSingleQuotes(request.QueryString.ToString()) + ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     code = cmd.ExecuteNonQuery();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     (code == 1)

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     System.Web.HttpContext.Current.Response.Write(****以上信息已记录至日志数据库****");

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     System.Web.HttpContext.Current.Response.Write(日志数据库出错");

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    conn.Close();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     RelaceSingleQuotes( _url)

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     URL = _url.Replace(,);

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     URL;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     ShowErr()

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    请不要尝试未授权之入侵检测！" + @"

";

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    ";

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    Now + @"

";

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    页面：" + request.ServerVariables["URL"].ToLower() + request.QueryString.ToString() + @"

";

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    关闭";

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    stem.Web.HttpContext.Current.Response.Clear();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    stem.Web.HttpContext.Current.Response.Write(msg);

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    System.Web.HttpContext.Current.Response.Write(alert('请不要尝试未授权之入侵检测！');javascript:history.go(-1);");

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      KeyWord

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    get

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      StrKeyWord;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      RegexString

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    get

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      StrRegex;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   检查字符串中是否包含sql注入关键字

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   aram name="_key">被检查的字符串

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   如果包含注入true;否则返回false

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      CheckKeyWord( _key)

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    [] pattenString = StrKeyWord.Split();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    [] pattenRegex = StrRegex.Split();

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     ( sqlParam pattenString)

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      (_key.Contains(sqlParam + ) || _key.Contains( + sqlParam))

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">       ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     ( sqlParam pattenRegex)

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      (_key.Contains(sqlParam))

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">       ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   sql注入

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   aram name="_request">当前HttpRequest对象

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   如果包含注入true;否则返回false

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     CheckRequestQuery()

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     (request.QueryString.Count > 0)

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      ( sqlParam .request.QueryString)

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">       (sqlParam == ) ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">       (sqlParam == ) ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">       (CheckKeyWord(request.QueryString[sqlParam].ToLower()))

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">        ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   sql注入

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   aram name="_request">当前HttpRequest对象

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   如果包含注入true;否则返回false

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     CheckRequestForm()

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     (request.Form.Count > 0)

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      ( sqlParam .request.Form)

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">       (sqlParam == ) ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">       (sqlParam == ) ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">       (CheckKeyWord(request.Form[sqlParam]))

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      {

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">        ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">      }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">    }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">     ;

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: white; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none">   }

ottOM: 0px; MARGIN: 0em; OVERFLOW: visible; WIDTH: 100%; COLOR: black; DIRECTION: ltr; BORDER-TOP-STYLE: none; LINE-HEIGHT: 12pt; PADDING-TOP: 0px; FONT-FAMILY: 'Courier New',monospace; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BACKGROUND-COLOR: #f4f4f4; TEXT-ALIGN: left; BORDER-BottOM-STYLE: none"> }

过滤类是在某前辈的作品基础上改的，很抱歉我已经找不到最原始的出处了。需要在Web.Config中添加防sql注入的特征字符集：

代码如下:

使用方法很简单，在站点的Global文件中，添加 Application_BeginRequest 事件即可：

代码如下:

protected void Application_BeginRequest(object sender,EventArgs e)

{

//防sql注入代码

sqlInject myCheck = new sqlInject(this.Request);

myCheck.ChecksqlInject();

}

ASP.NET sql 注入免费解决方案

任何一种使用数据库web程序（当然，也包括桌面程序）都有被sql注入的风险。防止被sql注入，最基本的方法是在代码级别就要阻止这种可能，这个网上讲的很多，我就不多说了。不过如果你拿到的是一个已经完工的产品，这个时候该如何解决呢？我介绍几种对于ASP和ASP.NET有效的防止sql注入的方案，而且是免费的。

UrlScan 3.1

UrlScan 3.1是一个安全方面的工具，微软官方的东西。它会检查所有IIS处理的HTTP请求。UrlScan 可以在有安全问题的HTTP请求到达应用程序之前就阻止这个请求。UrlScan 3.1 是UrlScan 2.5的一个升级版本，支持Windows Vista 和Windows Server 2008系统之上的IIS 5.1,IIS 6.0 和 IIS 7.0。链接地址：http://www.iis.net/expand/UrlScan 这里还有很多非常有用的IIS扩展，可以看看。 IIS 6 sql Injection Sanitation ISAPI Wildcard

这个ISAPI dll 也是通过检查HTTP请求避免sql注入。只兼容windows 2003上的 IIS 6.0。对于Windows XP 上的 IIS 5 不支持。

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