.net过滤特定代码-创新互联
#region/// 过滤html,js,css代码
///
/// 过滤html,js,css代码
///
///
///
public static string CheckStr(string html)
{
System.Text.RegularExpressions.Regex regex1 = new System.Text.RegularExpressions.Regex(@"
System.Text.RegularExpressions.Regex regex2 = new System.Text.RegularExpressions.Regex(@" href *= *[\s\S]*script *:", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex3 = new System.Text.RegularExpressions.Regex(@" no[\s\S]*=", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex4 = new System.Text.RegularExpressions.Regex(@"
System.Text.RegularExpressions.Regex regex5 = new System.Text.RegularExpressions.Regex(@"
System.Text.RegularExpressions.Regex regex6 = new System.Text.RegularExpressions.Regex(@"\
System.Text.RegularExpressions.Regex regex7 = new System.Text.RegularExpressions.Regex(@"
System.Text.RegularExpressions.Regex regex8 = new System.Text.RegularExpressions.Regex(@"
", System.Text.RegularExpressions.RegexOptions.IgnoreCase); ", "");
System.Text.RegularExpressions.Regex regex9 = new System.Text.RegularExpressions.Regex(@"<[^>]*>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
html = regex1.Replace(html, ""); //过滤标记
html = regex2.Replace(html, ""); //过滤javascript: () 属性
html = regex3.Replace(html, " _disibledevent="); //过滤其它控件的on...事件
html = regex4.Replace(html, ""); //过滤iframe
html = regex5.Replace(html, ""); //过滤frameset
html = regex6.Replace(html, ""); //过滤frameset
html = regex7.Replace(html, ""); //过滤frameset
html = regex8.Replace(html, ""); //过滤frameset
html = regex9.Replace(html, "");
html = html.Replace(" ", "");
html = html.Replace("", "");
html = html.Replace("", "");
return html;
}
#endregion
#region /// 过滤p /p代码
///
/// 过滤p /p代码
///
///
///
public static string InputStr(string html)
{
html = html.Replace(@"\
html = html.Replace(@"
html = html.Replace(@"
return html;
}
#endregion
///
/// 截取字符串
///
///
///
///
protected string GetLength(string str, int length)
{
string strR = str;
if (str.Length > length)
{
strR = str.Substring(0, length) + "...";
}
return strR;
}
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