Como filtrar o código HTML, JS, CSS

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>

/// <Trackns> </lorpns>

PublicStaticsTringCheckstr (Stringhtml)

{

System.Text.ReGularexpressions.RegexRegex1 = newSystem.text.REGularexpressions.regex (@"<script [/s/]+</script*>", System.Text.regrexpressions.RegexOpions.ignorecase);

System.Text.ReGularexpressions.RegexRegex2 = newSystem.text.REGularexpressions.Regex (@"href*=*[/s/]*script*:", System.text.regrexpressions.RegexOpions.ignorecase);

System.Text.ReGularexpressions.RegexRegex3 = newSystem.text.regrarexpressões.regex (@"no [/s/s]*=", System.text.regrarexpressions.regexOptions.ignorecase);

System.Text.ReGularexpressions.RegexRegex4 = newSystem.text.REGularexpressões.Regex (@"<iframe [/s/s]+</iframe*>", System.text.REGularexpressions.RegexOpions.ignorecase);

System.Text.ReGularexpressions.RegexRegex5 = newSystem.text.REGularexpressions.Regex (@"<FrameSet [/S/S]+</FrameSet*>", System.text.regularexpressions.RegexOpions.ignorecase);

System.Text.ReGularexpressions.RegexRegex6 = newSystem.text.REGularexpressions.regex (@"/<img [^/>]+/>", System.text.regrarexpressions.regexoptions.ignorecase);

System.Text.ReGularexpressions.RegexRegex7 = newsystem.text.regrarexpressions.regex (@"</p>", System.text.REGularexpressions.regexOptions.ignorecase);

System.Text.ReGularexpressions.RegexRegex8 = newsystem.text.regrarexpressões.regex (@"<p>", System.text.regrarexpressions.regexOptions.ignorecase);

System.Text.ReGularexpressions.RegexRegex9 = newsystem.text.regrarexpressions.regex (@"<[^>]*>", System.text.regrarexpressions.regexOptions.ignorecase);

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

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

html = regex3.replace (html, "_ disibledEvent ="); // 过滤其它控件的 em ... 事件

html = regex4.replace (html, ""); // 过滤 iframe

html = regex5.replace (html, ""); // 过滤 quadteset

html = regex6.replace (html, ""); // 过滤 quadteset

html = regex7.replace (html, ""); // 过滤 quadteset

html = regex8.replace (html, ""); // 过滤 quadteset

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>

/// <Trackns> </lorpns>

publicStaticsTringInputStr (Stringhtml)

{

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

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

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

returnhtml;

}

#endregion

/// <summary>

/// 截取字符串

/// </summary>

/// <paramname = "str"> </param>

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

/// <Trackns> </lorpns>

ProtectedStringGetLength (Stringstr, Intlength)

{

stringstrr = str;

if (str.length> comprimento)

{

strr = str.substring (0, comprimento)+"...";

}

returnstrr;

}