So filtern Sie HTML, JS, CSS -Code

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>

/// <paramname = "html"> 参数传入 </param>

/// <zurückgegeben> </returns>

publicStaticStringCheckstr (Stringhtml)

{

System.Text.regularexpressions.regexregex1 = newSystem.text.regularexpressions.regex (@"<script [/s/s]+</script*>", System.text.regularexpressions.regexoptions.ignoreCase);

System.Text.regularexpressions.regexregex2 = newSystem.text.regularexpressions.regex (@"href*=*[/s/s]*script*:", System.Text.regularexpressions.regexoptions.ignoreCase);

System.Text.regularexpressions.regexregex3 = newSystem.text.regularexpressions.regex (@"no [/s/s]*=", system.text.regularexpressions.regexoptions.ignoreCase);

System.Text.regularexpressions.regexregex4 = newSystem.text.regularexpressions.Regex (@"<iframe [/s/s]+</iframe*>", System.text.regularexpressions.Regexopions.ignoreCase);

System.Text.regularexpressions.regexregex5 = newSystem.text.regularexpressions.regex (@"<Frameset [/s/s]+</srameset*>", System.text.regularexpressions.Regexoptions.ignoreCase);

System.Text.regulareExpressions.ReGexReGEx6 = Newsystem.text.regularexpressions.Regex (@"/<img [^/>]+/>", System.text.regularexpressions.regexopions.ignoreCase);

System.Text.regularexpressions.regexregex7 = newSystem.text.regularexpressions.regex (@"</p>", System.text.regularexpressions.regexopions.ignoreCase);

System.Text.regularexpressions.regexregex8 = Newsystem.text.regularexpressions.regex (@"<p>", System.Text.regularexpressions.regexopions.ignoreCase);

System.Text.regularexpressions.regexregex9 = newSystem.text.regularexpressions.regex (@"<[^>]*>", System.text.regularexpressions.regexOptions.ignoreCase);

html = regex1.replace (html, ""); // 过滤 <Script> </script> 标记

html = regex2.Replace (html, ""); // 过滤 href = javaScript :( <a>) 属性

html = regex3.Replace (html, "_ dissibledEvent ="); // 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>", "");

returnHtml;

}

#endregion

#region /// 过滤 p/p 代码

/// <summary>

/// 过滤 p/p 代码

/// </summary>

/// <paramname = "html"> 参数传入 </param>

/// <zurückgegeben> </returns>

publicStaticStringInputStr (Stringhtml)

{

html = html.replace (@"/<img [^/>]+/>", "");

html = html.replace (@"<p>", "");

html = html.replace (@"</p>", "");

returnHtml;

}

#endregion

/// <summary>

/// 截取字符串

/// </summary>

/// <paramname = "st"> </param>

/// <paramname = "length"> </param>

/// <zurückgegeben> </returns>

ProtectedStringGetLength (Stringstr, IntLength)

{

Stringstrr = str;

if (Str.Length> Länge)

{

Strr = str.Substring (0, Länge)+"...";

}

returnstrr;

}