分享一个图片分割的效果


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ru">
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html;charset=gb2312" />
<style type="text/css">.line{
    display:none;
    z-index:1;
    left:0;
    top:0;
    position:absolute;
}
#line1{
    display:block;
}
.container{
    position:relative;
    width:564px;
    height:294px;
    overflow:hidden;
}
.border{
    border:5px solid #000;
}
.corner{
    position:absolute;
    width:282px;
    height:147px;
    background:#ccc;
    overflow:hidden;
}
.leftTop,.inLeftTop{
    position:absolute;
    left:0;
    top:0;
    right:auto;
    bottom:auto;
}
.rightTop,.inRightTop{
    position:absolute;
    right:0;
    top:0;
    left:auto;
    bottom:auto;
}
.rightBottom,.inRightBottom{
    position:absolute;
    right:0;
    bottom:0;
    top:auto;
    left:auto;
}
.leftBottom,.inLeftBottom{
    position:absolute;
    left:0;
    bottom:0;
    top:auto;
    right:auto;
}
</style>
</head>
<body>
<script src="http://code.jquery.com/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
function crossLine(container,option,callback){
    
var lineX=$("<div style='width:2000px;height:4px;overflow:hidden;position:absolute;background:#FACC41;left:0;top:0;z-index:1'></div>");
var lineY=$("<div style='width:4px;height:2000px;overflow:hidden;position:absolute;background:#FACC41;left:0;top:0;z-index:1'></div>");var _option={
    "display":"none",
    "targetPosX":container.width()/2-2,
    "targetPosY":container.height()/2-2,
    "time":500,
    "freq":10
};
$.extend(_option,option);
option=_option;
var targetPosX=option.targetPosX;
var targetPosY=option.targetPosY;
var time=option.time;
var freq=option.freq;
times=time/freq;
container.append(lineX).append(lineY);//开始运动
var lxt=lineX.position().top;
var lyl=lineY.position().left;
xPerTime=targetPosX/times;
yPerTime=targetPosY/times;var count=0;
var si=setInterval(function(){
    count++;
    if(count>=times){
        clearInterval(si);
        if(typeof(callback)=="function"){
            callback();
        }
        if(option.display=="none"){
            lineX.remove();
            lineY.remove();
        }
    }
    if(lxt+yPerTime<=targetPosY){
        lxt += yPerTime;
        lineX.css("top",lxt);
    }else{
        lxt=targetPosY;
        lineX.css("top",targetPosY);
    }
    if(lyl+xPerTime<=targetPosX){
        lyl += xPerTime;
        lineY.css("left",lyl);
    }else{
        lyl=targetPosX;
        lineY.css("left",targetPosX);
    }
},freq);}
function picSplit(line1,line2,container,option){
//begin
line1.css("z-index",2);
/*
var targetX=282;
var targetY=147;
*/var _option={
    "targetX":container.width()/2,
    "targetY":container.height()/2,
    "time":500,
    "freq":10
};
$.extend(_option,option);
option=_option;var targetX=option.targetX;
var targetY=option.targetY;
var containerWidth=container.width();
var containerHeight=container.height();
/*
*复制四个，放入四个容器，置于四角，然后移动
*///div0-4 容器，放置于四角var div0=$("<div></div>").css({"position":"absolute","left":0,"top":0,"right":"auto","bottom":"auto","width":targetX,"height":targetY,"z-index":"2","overflow":"hidden"}).appendTo(container);
var div1=$("<div></div>").css({"position":"absolute","left":targetX,"top":0,"right":"auto","bottom":"auto","width":containerWidth-targetX,"height":targetY,"z-index":"2","overflow":"hidden"}).appendTo(container);
var div2=$("<div></div>").css({"position":"absolute","left":targetX,"top":targetY,"right":"auto","bottom":"auto","width":targetX,"height":containerHeight-targetY,"z-index":"2","overflow":"hidden"}).appendTo(container);
var div3=$("<div></div>").css({"position":"absolute","left":0,"top":targetY,"right":"auto","bottom":"auto","width":targetX,"height":containerHeight-targetY,"z-index":"2","overflow":"hidden"}).appendTo(container);
//tempL0-4复制出来的层
var tempL0=line1.clone().css({"position":"absolute","left":0,"top":0,"right":"auto","bottom":"auto","z-index":"2"}).appendTo(div0);
var tempL1=line1.clone().css({"position":"absolute","left":-targetX,"top":0,"right":"auto","bottom":"auto","z-index":"2"}).appendTo(div1);
var tempL2=line1.clone().css({"position":"absolute","left":-targetX,"top":-targetY,"right":"auto","bottom":"auto","z-index":"2"}).appendTo(div2);
var tempL3=line1.clone().css({"position":"absolute","left":0,"top":-targetY,"right":"auto","bottom":"auto","z-index":"2"}).appendTo(div3);
line1.css("display","none");
line2.css("display","block");//开始运动
var time=option.time;
var freq=option.freq;
var times=time/freq;
var count=0;
var xLeftPerTime=3;
var xRightPerTime=3;
var yTopPerTime=3;
var yBottomPerTime=3;
var l0=div0.position().left;
var t0=div0.position().top;var l1=div1.position().left;
var t1=div1.position().top;var l2=div2.position().left;
var t2=div2.position().top;var l3=div3.position().left;
var t3=div3.position().top;var si=setInterval(function(){
    count++;
    if(count>=times){
        clearInterval(si);
        div0.remove();
        div1.remove();
        div2.remove();
        div3.remove();
    }
    l0=l0-xLeftPerTime;
    t0=t0-yTopPerTime;
    l1=l1+xRightPerTime;
    t1=t1-yTopPerTime;
    l2=l2+xRightPerTime;
    t2=t2+yBottomPerTime;
    l3=l3-xLeftPerTime;
    t3=t3+yBottomPerTime;
    div0.css("left",(l0-xLeftPerTime)+"px");
    div0.css("top",(t0-yTopPerTime)+"px");
    
    div1.css("left",(l1+xRightPerTime)+"px");
    div1.css("top",(t1-yTopPerTime)+"px");
    
    div2.css("left",(l2+xRightPerTime)+"px");
    div2.css("top",(t2+yBottomPerTime)+"px");
    
    div3.css("left",(l3-xLeftPerTime)+"px");
    div3.css("top",(t3+yBottomPerTime)+"px");
},freq);
}
</script>
<div class="container" id="container">
<div class="line" id="line1"><img src="http://static.house.sina.com.cn/apileju/cms/110819/1820432103.jpg" alt="" /></div>
<div class="line" id="line2"><img src="http://static.house.sina.com.cn/apileju/cms/110819/1110183294.jpg" alt="" /></div>
</div>
<input type="button" value="GO" onclick="javascript:go()" />
<script type="text/javascript">
var line1=$("#line1");
var line2=$("#line2");
line1.css("display","block");
var container=$("#container");
function go(){
    var option={"display":"none"};
    crossLine(container,option,gopicSplit);
}
var container=$("#container");
function gopicSplit(){
    picSplit(line1,line2,container);
}
</script>
</body>
</html>