html5-canvas

 

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>直线</title>
</head>
<body>
<canvas id="canvas" style="border:1px solid #aaa; display:block; margin:50px auto;">
当前浏览器不支持canvas, 请更换浏览器后再试
</canvas>
<script>
window.onload = function(){
    var canvas = document.getElementById("canvas");

    canvas.width = 500;
    canvas.height = 500;

    var context = canvas.getContext("2d");

    context.moveTo( 100, 100);
    context.lineTo( 300, 300);
    context.lineWidth = 10;
    context.strokeStyle = "red";
    context.stroke(); 
    }
 </script>
</body>
</html>

posted @ 2016-01-20 22:12  tiandi2050  阅读(112)  评论(0)    收藏  举报