标签：highlight .com nim context can mini element 默认 技术
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>（二）canvas边框问题</title>
</head>
<style>
* {margin: 0;padding: 0;}
body { background-color: black; }
#c1 { background-color: #fff; }
</style>
<body>
<canvas id="c1" width="400" height="400"></canvas>
<script>
oC = document.getElementById("c1");
var ctx = oC.getContext("2d");
ctx.lineWidth = 1;//设置边框大写
ctx.fillStyle = "yellow";//填充实体颜色
ctx.strokeStyle = "red";//填充边框颜色
ctx.strokeRect(50.5,50.5,100,100);//对边框的设置
ctx.fillRect(50.5,50.5,100,100);//对内容的设置
</script>
</body>
</html>
标签：highlight .com nim context can mini element 默认 技术
原文地址：https://www.cnblogs.com/bgwhite/p/9406787.html
