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我使用createJS绘制我的HTML5画布。一切似乎都有效,但形状并未画出来。下面的代码:CreateJS不绘制
$(document).ready(function(){
var canvas, stage, line;
canvas = document.getElementById('weigh');
stage = new createjs.Stage(canvas);
function drawLine(){
line = new createjs.Shape();
line.graphics.moveTo(5, 10).setStrokeStyle(1).beginStroke('#ff0000').lineTo(300, 10);
stage.addChild(line);
}
drawLine();
createjs.Ticker.on('tick', ticking);
createjs.Ticker.setFPS(60);
function ticking(event){
line.rotation += 5;
console.log('ticking');
}
});
这里的HTML:
<!DOCTYPE html>
<html>
<head>
<title>Canvas</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jcanvas/16.7.3/jcanvas.min.js"></script>
<script type="text/javascript" src="https://code.createjs.com/createjs-2015.11.26.min.js"></script>
<link rel="stylesheet" href="weigh.css" type="text/css">
<script type="text/javascript" src="test.js"></script>
</head>
<body>
<div id="canvas">
<canvas id="weigh" width="382" height="382">alternate content</canvas>
</div>
</body>
</html>
一切都显示正常。控制台日志按预期记录。唯一缺少的是我画的线,我找不到原因。任何人都可以指出错误吗?