HTML5画一个简单呢好看的电路图-H5教程

画图API的应用，线，圆等

最近特别忙，承蒙大伙关照，自己折腾着做了个HTML5画电路图

<!DOCTYPE html><html lang="en"><head>
 <meta charset="UTF-8">
    <title>何问起</title>
<meta name="description" content="canvas画简单电路图 by hovertree.com" />
</head>
<body>
    <canvas id="canHewenqi" width="500" height="300" style="margin: 20px auto"></canvas>
     
    <script>
        var canvas = document.getElementById("canHewenqi");
        var cxt = canvas.getContext("2d");
cxt.moveTo(10,10);
        cxt.lineTo(100,10);
        cxt.stroke();
        cxt.beginPath();
        cxt.moveTo(100,10);
        cxt.lineTo(100,0);
        cxt.lineTo(150,0);
        cxt.lineTo(150,20);
        cxt.lineTo(100,20);
        cxt.closePath();
        cxt.moveTo(150,10);
        cxt.lineTo(250,10);
        cxt.lineTo(250,100);
        cxt.stroke();
        cxt.moveTo(225,100);
        cxt.lineTo(275,100);
        cxt.stroke();
        cxt.moveTo(225,115);
        cxt.lineTo(275,115);
        cxt.stroke();
        cxt.moveTo(250,115);
        cxt.lineTo(250,160);
        cxt.stroke();
        cxt.moveTo(250,160);
        cxt.lineTo(150,160);
        cxt.stroke();
        cxt.arc(130,160,20,0,360,false);
        cxt.stroke();
        cxt.moveTo(150,160);
        cxt.lineTo(10,160);
        cxt.lineTo(10,10);
        cxt.stroke();
 
         
    </script>
<p>canvas画简单电路图 by 何问起</p>
<!--http://hovertree.com/code/html5/fatorqgm.htm-->
</body>
</html>

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