<!DOCTYPE html>
<html lang='zh-cn'>
<head>
<title>Insert you title</title>
<meta name='description' content='this is my page'>
<meta name='keywords' content='keyword1,keyword2,keyword3'>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='./css/index.css' />
<script type='text/javascript' src='./js/jquery-1.12.1.min.js'></script>
<style type='text/css'>
html,body {
margin: 0; padding: 0;
}
html {
background: #999; height: 100%;
}
#can {
background: #FFF; display: block; margin: 75px auto; border-radius: 2px;
}
</style>
<script type='text/javascript'>
$( function(){
var oCan = $( '#can' ).get( 0 ).getContext( '2d' );
oCan.beginPath();
/* translate rotate 这两个属性要设置在moveTo lineTo 之前,否则无效 */
oCan.translate(125,50); /* 改变画布的中心 */
oCan.rotate(15*Math.PI/180); /* 旋转是围绕画布的中心点进行的, */
oCan.moveTo( 30 , 120 );
oCan.lineTo( 120 , 30 );
oCan.lineWidth = 1;
oCan.strokeStyle = '#F00';
oCan.stroke();
oCan.closePath();
} );
function getId( id ){
return document.getElementById( id );
}
</script>
</head>
<body>
<canvas id='can' width='500' height='500'>您的浏览器版本过低,请您更换浏览器以获取更好的用户体验...</canvas>
</body>
</html>
