標籤：js繪製直線
650) this.width=650;" src="https://s1.51cto.com/wyfs02/M02/8C/E9/wKioL1h9063DWAQWAAAHpFThaKw310.png-wh_500x0-wm_3-wmp_4-s_2527753795.png" title="QQ20170117161930.png" alt="wKioL1h9063DWAQWAAAHpFThaKw310.png-wh_50" />
html結構
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>canvas1</title>
<link rel="stylesheet" href="">
</head>
<body>
<canvas id="canvas" style ="border:1px solid #aaa;diplay:block;margin:50px auto;">
當前瀏覽器不支援canvas,請更換瀏覽器後再試
</canvas>
</body>
</html>
js指令碼
<script>
window.onload = function(){
var canvas = document.getElementById(‘canvas‘);
canvas.width = 800;
canvas.height = 800;
var context = canvas.getContext(‘2d‘);
context.moveTo(10,10);
context.lineTo(700,700);
context.lineWidth = 10;
context.strokeStyle = "#058";
context.stroke();
}
</script>
本文出自 “素顏” 部落格，請務必保留此出處http://suyanzhu.blog.51cto.com/8050189/1892647
js繪製直線
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