//居中弹出窗体 function getwindow(URL,width,height) { //根据屏幕居中 window.open(URL,'','width='+width+',height='+height+',top='+(screen.height-height)/2+',left='+(screen.width-width)/2); //下面是根据页面居中 //window.open(URL,'','width='+width+',height='+height+',top='+(document.body.offsetHeight-height)/2+',left='+(document.body.offsetWidth-width)/2); //window.open(URL,'','width='+width+',height='+height+',top=250,left='+document.body.offsetWidth/3); } --------------------------------------------------------------- 弹出窗口中加上: <body> .... </body> <script> top.moveTo(screen.width/2-document.body.clientWidth/2,screen.height/2-document.body.clientHeight/2) </script>