网上抄的，改成vue写法失败，下一篇是自己写的vue版本的
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>html漂浮广告</title> </head> <body> <p style="font-size: 32px;">html漂浮广告</p> <DIV id=img1 style="Z-INDEX: 100; LEFT: 2px; WIDTH: 59px; POSITION: absolute; TOP: 43px; HEIGHT: 61px; visibility: visible;"><a href="http://sc.jb51.net" target="_blank"><img src="../assets/u=2610250996,3671218916&fm=26&gp=0.jpg" width="80" height="80" border="0"></a></DIV> <SCRIPT> var xPos = 300; var yPos = 200; var step = 1; var delay = 5; var height = 0; var Hoffset = 0; var Woffset = 0; var yon = 0; var xon = 0; var pause = true; var interval; img1.style.top = yPos; function changePos(){ width = document.body.clientWidth; height = document.body.clientHeight; Hoffset = img1.offsetHeight; Woffset = img1.offsetWidth; img1.style.left = xPos + document.body.scrollLeft; img1.style.top = yPos + document.body.scrollTop; if (yon){ yPos = yPos + step; }else{ yPos = yPos - step; } if (yPos < 0){ yon = 1;yPos = 0; } if (yPos >= (height - Hoffset)){ yon = 0;yPos = (height - Hoffset); } if (xon){ xPos = xPos + step; }else{ xPos = xPos - step; } if (xPos < 0){ xon = 1;xPos = 0; } if (xPos >= (width - Woffset)){ xon = 0;xPos = (width - Woffset); } } function start(){ img1.visibility = "visible"; interval = setInterval('changePos()', delay); } function pause_resume(){ if(pause){ clearInterval(interval); pause = false; }else{ interval = setInterval('changePos()',delay); pause = true; } } start(); </SCRIPT> </body> </html>