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解讀Asp.net中過濾html,js,css代碼的方法_.Net教程

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一..Net Framework 1. 如何獲得系統(tǒng)文件夾 使用System.Envioment類的GetFolderPath方法;例如: Environment.GetFolderPath( Environment.SpecialFolder.Personal ) 2. 如何

以下為引用的內(nèi)容:

#region/// 過濾html,js,css代碼
/// <summary>
/// 過濾html,js,css代碼
/// </summary>
/// <param name="html">參數(shù)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(biāo)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(shù)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;
}

分享:淺析ASP.NET中前臺(tái)javascript與后臺(tái)代碼調(diào)用
1.如何在JavaScript訪問C#函數(shù)? 2.如何在JavaScript訪問C#變量? 3.如何在C#中訪問JavaScript的已有變量? 4.如何在C#中訪問JavaScript函數(shù)? 問題1答案如下: javaScript函數(shù)中執(zhí)

來(lái)源:模板無(wú)憂//所屬分類:.Net教程/更新時(shí)間:2009-09-05
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