<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
#myCanvas{
border: 10px solid red;
}
</style>
</head>
<body>
<canvas id="myCanvas" width="600" height="600"></canvas>
</body>
<script type="text/javascript">
var myCanvas = document.getElementById("myCanvas");
var context = myCanvas.getContext("2d");
var imgObj = new Image();
imgObj.src = "AKL.jpg";
imgObj.onload = function () {
// drawImage(图片对象,位置X,位置Y);
// context.drawImage(imgObj,100,100);
//drawImage(图片对象,位置X,位置Y,绘制宽度，绘制高度);
// context.drawImage(imgObj,100,100,200,300);
//drawImage(图片对象,截取的起点X,截取的起点Y,截取的宽度,截取的高度，位置X,位置Y,绘制宽度，绘制高度);
context.drawImage(imgObj,0,0,100,200,100,100,153,272);
}
</script>
</html>
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