#region/// 過濾html,js,css代碼
/// <summary>
/// 過濾html,js,css代碼
/// </summary>
/// <param name="html">參數傳入</param>
/// <returns></returns>
public static string CheckStr(string html)
{
System.Text.RegularExpressions.Regex regex1 = new System.Text.RegularExpressions.Regex(@"<script[/s/S] </script *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
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(@"<iframe[/s/S] </iframe *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex5 = new System.Text.RegularExpressions.Regex(@"<frameset[/s/S] </frameset *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex6 = new System.Text.RegularExpressions.Regex(@"/<img[^/>] />", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex7 = new System.Text.RegularExpressions.Regex(@"</p>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex8 = new System.Text.RegularExpressions.Regex(@"<p>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex9 = new System.Text.RegularExpressions.Regex(@"<[^>]*>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
html = regex1.Replace(html, ""); //過濾<script></script>標記
html = regex2.Replace(html, ""); //過濾href=javascript: (<A>) 屬性
html = regex3.Replace(html, " _disibledevent="); //過濾其它控件的on...事件
html = regex4.Replace(html, ""); //過濾iframe
html = regex5.Replace(html, ""); //過濾frameset
html = regex6.Replace(html, ""); //過濾frameset
html = regex7.Replace(html, ""); //過濾frameset
html = regex8.Replace(html, ""); //過濾frameset
html = regex9.Replace(html, "");
html = html.Replace(" ", "");
html = html.Replace("</strong>", "");
html = html.Replace("<strong>", "");
return html;
}
#endregion
#region /// 過濾p /p代碼
/// <summary>
/// 過濾p /p代碼
/// </summary>
/// <param name="html">參數傳入</param>
/// <returns></returns>
public static string InputStr(string html)
{
html = html.Replace(@"/<img[^/>] />", "");
html = html.Replace(@"<p>", "");
html = html.Replace(@"</p>", "");
return html;
}
#endregion

/// <summary>
/// 截取字符串
/// </summary>
/// <param name="str"></param>
/// <param name="length"></param>
/// <returns></returns>
protected string GetLength(string str, int length)
{
string strR = str;
if (str.Length > length)
{
strR = str.Substring(0, length) "...";
}
return strR;
}