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1 /// <summary>
2 /// 内容过滤的静态方法,适合不涉及图片等的过滤,返回过滤后的字符串!,注:无需解码
3 /// </summary>
4 /// <param name="str">要过滤的字符串</param>///
5 /// <returns></returns>
6 public static string Code(string str)
7 {
8 string strings = string.Empty;
9 if (str != "")
10 {
11 strings = str.ToString().ToLower().Trim();
12 strings = strings.Replace(";", ";");
13 strings = strings.Replace("%", "%");
14 strings = strings.Replace("'", "‘");
15 strings = strings.Replace(",", ",");
16 strings = strings.Replace("<", "<");
17 strings = strings.Replace(">", ">");
18 strings = strings.Replace("\\", "∥");
19 strings = strings.Replace("^", "∧");
20 strings = strings.Replace("0x", "0 x");
21 strings = strings.Replace("sp", "s p");
22 strings = strings.Replace("xp", "x p");
23 strings = strings.Replace("select", "select");
24 strings = strings.Replace("update", "update");
25 strings = strings.Replace("delete", "delete");
26 strings = strings.Replace("insert", "insert");
27 strings = strings.Replace("and", "and");
28 strings = strings.Replace("script", "s cript");
29 strings = strings.Replace("or", "or");
30 }
31 return strings;
32 }
posted @
2009-10-09 16:29
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