Canvas基础
作者:
洛洛kkkkkk | 来源:发表于
2017-04-20 19:25 被阅读0次<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
#myCanvas{
border: 10px solid red;
/*canvas的宽和高不能在样式表里设置*/
}
</style>
</head>
<body>
<canvas id="myCanvas" width="600" height="600"></canvas>
</body>
<script type="text/javascript">
var myCanvas = document.getElementById("myCanvas");
//直接用过属性width和height设置
// myCanvas.width = 300;
// myCanvas.height = 300;
var context = myCanvas.getContext("2d");//存储对画布的操作的方法
//开始绘制
context.beginPath();
//绘制的起点
context.moveTo(50,50);
//线的终点
context.lineTo(300,300);
//结束
// context.closePath();
//确定绘制线的颜色
context.strokeStyle="red";
//线的样式
context.lineCap = "round";
//线宽
context.lineWidth = 10;
//绘制
context.stroke();
</script>
</html>
本文标题：Canvas基础
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