asp中清除html函數的方法

asp中實現清除html的函數這個問題難倒了不少用戶們，那麼我們現在和錯新小編去看看asp中清除html函數的方法，還不了解的朋友們一起來參考吧。

這個函數是必需要的，很多黑客來搗亂，黑掉數據庫，會注入大量的病毒js，在存儲和展示文本數據的時候，使用此函數過濾一下，可避免不少麻煩

clearhtml代碼

'清除HTML代碼function clearhtml(content) content=replacehtml("&#[^>]*;","",content) content=replacehtml("</?marquee[^>]*>","",content) content=replacehtml("</?object[^>]*>","",content) content=replacehtml("</?param[^>]*>","",content) content=replacehtml("</?embed[^>]*>","",content) content=replacehtml("</?table[^>]*>","",content) content=replacehtml(" ","",content) content=replacehtml("</?tr[^>]*>","",content) content=replacehtml("</?th[^>]*>","",content) content=replacehtml("</?p[^>]*>","",content) content=replacehtml("</?a[^>]*>","",content) content=replacehtml("</?img[^>]*>","",content) content=replacehtml("</?tbody[^>]*>","",content) content=replacehtml("</?li[^>]*>","",content) content=replacehtml("</?span[^>]*>","",content) content=replacehtml("</?div[^>]*>","",content) content=replacehtml("</?th[^>]*>","",content) content=replacehtml("</?td[^>]*>","",content) content=replacehtml("</?script[^>]*>","",content) content=replacehtml("(javascript|jscript|vbscript|vbs):","",content) content=replacehtml("on(mouse|exit|error|click|key)","",content) content=replacehtml("<//?xml[^>]*>","",content) content=replacehtml("<//?[az]+:[^>]*>","",content) content=replacehtml("</?font[^>]*>","",content) content=replacehtml("</?h[^>]*>","",content) content=replacehtml("</?u[^>]*>","",content) content=replacehtml("</?i[^>]*>","",content) content=replacehtml("</?center[^>]*>","",content) content=replacehtml("</?center[^>]*>","",content) content=replacehtml("</?nobr[^>]*>","",content) content=replacehtml("</?clk[^>]*>","",content) content=replacehtml("</?muti[^>]*>","",content) content=replacehtml("</?/option[^>]*>","",content) content=replacehtml("</?o[^>]*>","",content) content=replacehtml("</?strong[^>]*>","",content) clearhtml=contentend function

replacehtml代碼

function replacehtml(patrn,strng,content) if isnull(content) then content="" end if set regex=new regexp regex.pattern=patrn regex.ignorecase=true regex.global=true replacehtml=regex.replace(content,strng)end function

使用方法：

<%=clearhtml("<div id="CodeTip"><h2>分享代碼提示(2)</h2><ul><li style="font-weight: bold; color: rgb(170, 0, 0);">添加完代碼必須點擊“完成並查看”生效</li><li>準確的編程語言，可正確對代碼語法著色</li><li>輸入簡單幾個字的代碼片段說明</li><li>上傳源碼文件時無需再輸入說明</li><li>非程序相關文件將直接刪除，嚴重封帳號</li><li>圖片僅用來上傳截圖之類的文件，勿作他途</li></ul></div>")%>

以上就是本文所述的全部內容了，希望大家能夠喜歡。如果有大家有疑問也可以留言交流