<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE>方框移动</TITLE> <meta http-equiv="Content-Type" content="text/html; charset=GBK"> <style language="javascript"> <!-- body, td{ font-size: 9pt; } --> </style> </HEAD> <BODY> <SCRIPT LANGUAGE="JavaScript"> <!-- var speed=10;//速度 var ci = 10;//运动次数 var left=0;//方框左位置 var top=0;//方框上位置 var width=0;//方框宽 var height=0;//方框高 var aimleft=0;//目标左位置 var aimtop=0;//目标上位置 var aimwidth=0;//目标宽 var aimheight=0;//目标高 var lb=0;//左步长 var tb=0;//上步长 var wb=0;//宽步长 var hb=0;//高步长 var fk = null; var aim = null; function initObj(){ if (!fk){fk = document.getElementById('fk');} if (!aim){aim = document.getElementById('aim');} } /* * 取得对象位置、大小 * 取得目标对象位置、大小 */ function setSource(obj){ initObj(); left = getOffset(obj).Left; top = getOffset(obj).Top; width = obj.offsetWidth; height = obj.offsetHeight; aimleft = getOffset(aim).Left; aimtop = getOffset(aim).Top; aimwidth = aim.offsetWidth; aimheight = aim.offsetHeight; fk.style.display=''; clearInterval(MyMar); } /** * 设置方向步长、宽高步长 */ function setStep(){ lb = (aimleft-left)/ci; tb = (aimtop-top)/ci; wb = (aimwidth-width)/ci; hb = (aimheight-height)/ci; } /** * 移动 */ function move(){ setStep(); left+=lb; top+=tb; width+=wb; height+=hb; if(left<aimleft-2 || top<aimtop-2 || width<aimwidth-2 || height<aimheight-2){ fk.style.left = left+"px"; fk.style.top = top+"px"; fk.style.width = width+"px"; fk.style.height = height+"px"; }else{ hiddenFK(); clearInterval(MyMar) } } function hiddenFK(){ initObj(); fk.style.display='none'; } /** * 取得某元素在页面中相对页面左上顶点的位置 */ function getOffset(obj){ var offsetleft = obj.offsetLeft; var offsettop = obj.offsetTop; while (obj.offsetParent != document.body) { obj = obj.offsetParent; offsetleft += obj.offsetLeft; offsettop += obj.offsetTop; } return {Left : offsetleft, Top : offsettop}; } var MyMar=setInterval(move,speed); //--> </SCRIPT> <div id="fk" style="position: absolute; width: 46px; height: 20px; border: 1px solid #000000 ; display: none"></div> <TABLE style="border: 1px solid #666666" cellspacing=1 bgcolor=#ff1111 cellpadding=4 border=0> <TR bgcolor=#ffffff> <TD onClick="setSource(this);MyMar=setInterval(move,speed)">笔记本</TD> <TD onClick="setSource(this);{MyMar=setInterval(move,speed)}">小家电</TD> <TD onClick="setSource(this);{MyMar=setInterval(move,speed)}">电冰箱</TD> <TD onClick="setSource(this);{MyMar=setInterval(move,speed)}">波比娃娃</TD> <TD onClick="setSource(this);{MyMar=setInterval(move,speed)}">小家电</TD> <TD onClick="setSource(this);{MyMar=setInterval(move,speed)}">小家电</TD> </TR> </TABLE> <br><br> <br><br> <br><br> <TABLE id="aim" style="border: 1px solid #666666 ; width: 227px; height: 300px;"> <TR> <TD></TD> </TR> </TABLE> <br> <br> <br> <br> <TABLE style="border: 1px solid #666666" cellspacing=1 bgcolor=#ff1111 cellpadding=4 border=0> <TR bgcolor=#ffffff> <TD onClick="setSource(this);{MyMar=setInterval(move,speed)}">笔记本</TD> <TD onClick="setSource(this);{MyMar=setInterval(move,speed)}">小家电</TD> <TD onClick="setSource(this);{MyMar=setInterval(move,speed)}">电冰箱</TD> <TD onClick="setSource(this);{MyMar=setInterval(move,speed)}">波比娃娃</TD> <TD onClick="setSource(this);{MyMar=setInterval(move,speed)}">小家电</TD> <TD onClick="setSource(this);{MyMar=setInterval(move,speed)}">小家电</TD> </TR> </TABLE> </BODY> </HTML>
