<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <script language=javascript> function show_url() { var obj1 = document.getElementById('txturl'); var obj2 = document.getElementById('myiframe'); obj2.src = obj1.value; } function show_url2() { if (event.keyCode==13) show_url(); return; } function getPar(par){ //获取当前URL var local_url = document.location.href; //获取要取得的get参数位置 var get = local_url.indexOf(par +"="); if(get == -1){ return false; } //截取字符串 var get_par = local_url.slice(par.length + get + 1); //判断截取后的字符串是否还有其他get参数 var nextPar = get_par.indexOf("&"); if(nextPar != -1){ get_par = get_par.slice(0, nextPar); } return get_par; } function show_url3() { var curl = getPar('url'); if (curl != '') { var obj1 = document.getElementById('txturl'); var obj2 = document.getElementById('myiframe'); obj1.value = curl; obj2.src = curl; } } </script> <!-- 百度统计star --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "//hm.baidu.com/hm.js?3d4ede42cef05a99fcd8bda849831ada"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> <!-- 百度统计end --> </head> <body onload="show_url3()" > <input type=text id="txturl" style="width:200px;" value="" onkeypress="show_url2()"> <input type=button id=button1 value="Submit" onclick="show_url()"><br/> <iframe id="myiframe" style="width:396px;height:800px;border:1px solid #000000;" ></iframe> </body> </html>