修改地址后的参数: <script> function getNewUrl(oldurl,paramname,pvalue){ var reg = new RegExp("(\\?|&)"+ paramname +"=([^&]*)(&|$)","gi"); var t=oldurl.match(reg)[0]; var retxt=t.substring(0,t.indexOf("=")+1)+pvalue; if(t.charAt(t.length-1)=='&') retxt+="&"; return oldurl.replace(reg,retxt); } alert(getNewUrl("http://servername/virturlpath/index.asp?p1=123&p2=aa&p3=hh&p4=1","p4","cxz")); </script> 获取地址参数: <script> function aa(source, name) { var reg = new RegExp("(^|\\?|&)"+ name +"=([^&]*)(\\s|&|$)", "i"); if (reg.test(source)) return RegExp.$2; return ""; }; alert(aa("http://community.csdn.net/Expert/topic/4223/4223277.xml?temp=6.502932E-02", "temp")) </script> |