以下是引用片段: 以下为引用的内容: #region/// 过滤html,js,css代码 /// <summary> /// 过滤html,js,css代码 /// </summary> /// <param name="html">参数传入</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, ""); //过滤<script></script>标记 html = regex2.Replace(html, ""); //过滤 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("</strong>", ""); html = html.Replace("<strong>", ""); return html; } #endregion #region /// 过滤p /p代码 /// <summary> /// 过滤p /p代码 /// </summary> /// <param name="html">参数传入</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; } |