JavaScript实现的拼图

本文深入探讨了编程领域中,为何大部分程序员难以晋升为架构师的原因,从技术能力、思维模式、沟通协作等多个维度解析这一现象。

<!doctype html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style type="text/css">
         body{
            margin: 0;
            padding: 0;
        }
        #main{
            position: absolute;
            width: 600px;
            height: 600px;
            background-color: #999;
            border:1px solid #ddd;
            margin: 40px auto;
        }
        #main>div{
/*            position: absolute;*/
            width: 200px;
            height: 200px;
            float: left;
/*            cursor:pointer;*/
        }
        #main div:nth-child(1){
            position: absolute;
            background-image: url(1.png)
        }
        #main div:nth-child(2){
            position: absolute;
            left: 200px;
            background-image: url(9.png)
        }
        #main div:nth-child(3){
            position: absolute;
            left: 400px;
            background-image: url(7.png)
        }
        #main div:nth-child(4){
            position: absolute;
            top: 200px;
            background-image: url(8.png)
        }
        #main div:nth-child(5){
            position: absolute;
            left: 200px;
            top: 200px;
            background-image: url(2.png)
        }
        #main div:nth-child(6){
            position: absolute;
            left: 400px;
            top: 200px;
            background-image: url(3.png)
        }
       #main div:nth-child(7){
            position: absolute;
            top:400px;
            background-image: url(4.png)
        }
        #main div:nth-child(8){
            position: absolute;
            left: 200px;
            top: 400px;
            background-image: url(5.png)
        }
        #main div:nth-child(9){
            position: absolute;
            left: 400px;
            top: 400px;
            background-image: url(6.png)
        }
        
    </style>
</head>
<body>
    <div id="main">
        <div></div
        ><div></div
        ><div></div
        ><div></div
        ><div></div
        ><div></div
        ><div></div
        ><div></div
        ><div></div>
    </div>
    
    <script type="text/javascript">
        function $(id){
            return document.getElementById(id);
        }
        var boot =$('main').getElementsByTagName('div');
        
        var imgstatic = 0;
        for( i=0;i<boot.length;i++){
            boot[i].onmousedown = function(){
                imgstatic++;
                var oevent = window.event || arguments[0];
                var divnode= oevent.srcElement || oevent.target;
                divnode.style.zIndex="999";

            }
            boot[i].onmousemove = function(){
              var oevent = window.event || arguments[0];
              //  获得  img  对象
              var imgnode = oevent.srcElement || oevent.target;
                if(imgstatic ==1){
                    var mousex = oevent.clientX;
                    var mousey = oevent.clientY;
                    console.log(mousey);
                    var mouseoffx = oevent.offsetX;
                    var mouseoffy = oevent.offsetY;
                    imgnode.style.top = mousey-100+'px';
                    imgnode.style.left = mousex-100+'px';
                    
                }
           }
           boot[i].onmouseup = function(){
                imgstatic =0;
                var oevent = window.event || arguments[0];
                var divnode= oevent.srcElement || oevent.target;
                divnode.style.zIndex="0";
                
           }
             boot[i].onmouseout = function(){
                imgstatic =0;
            }

        }
    </script>
</body>
</html>

转载于:https://my.oschina.net/530520/blog/296076

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