用直线画出的矩形 

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style type="text/css">
    canvas{
        background-color: red;
    }
</style>
</head>
<body>
<canvas id="myCanvas" height="800" width="800"/>
</body>
<script type="text/javascript">
var c=document.getElementById("myCanvas");
var cxt=c.getContext("2d");
cxt.lineTo(100,0);//用直线话的矩形
cxt.lineTo(100,100);
cxt.lineTo(0,100);
cxt.stroke();
</script>
</html>

 

posted on 2017-03-26 13:49  老邱2  阅读(148)  评论(0)  编辑  收藏  举报

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