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/// <summary>
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/// 过滤SQL注入
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/// </summary>
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/// <param name="strSQL"></param>
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/// <returns></returns>
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public static bool CheckSQLInjection(string strSQL)
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{
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if (string.IsNullOrEmpty(strSQL))
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{
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return true;
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}
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else
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{
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Regex RegExpression = new Regex(@"\s");
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strSQL = RegExpression.Replace(strSQL.Trim().Trim().ToLower().Replace("%20", " "), " ");
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string Pattern = @"select |insert |delete from |count\(|drop table|update |truncate |asc\(|mid\(|char\(|xp_cmdshell|exec master|net localgroup administrators|:|net user|""|\'| or ";
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if (Regex.IsMatch(strSQL, Pattern))
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{
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return false;
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}
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else
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{
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return true;
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}
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}
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}

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