c#过滤HTML代码

最新推荐文章于 2019-01-08 00:23:03 发布

转载最新推荐文章于 2019-01-08 00:23:03 发布 · 123 阅读

0 ·

CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/floatping/archive/2007/06/13/782368.html

文章标签：

#javascript #ViewUI

//过滤HTML代码
public 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(@" on[\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);

        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, " _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 = html.Replace(" ", "");
        html = html.Replace("</strong>", "");
        html = html.Replace("<strong>", "");
        return html;
    }

转载于:https://www.cnblogs.com/floatping/archive/2007/06/13/782368.html