正文
HTML5 Canvas 为网页添加文字水印
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<!DOCTYPE html>
<html>
<body><canvas id="myCanvas" width="" height="" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.
</canvas><script>
var can = document.createElement('canvas');
var body = document.body;
body.appendChild(can);
can.width=;
can.height=;
can.style.display='none';
var cans = can.getContext('2d');
//ctx.translate(-60, 0);//移动坐标原点
cans.rotate(-*Math.PI/);
cans.font = "16px Microsoft JhengHei";
cans.fillText("阿斯顿发送到!",can.width/,can.height/);
body.style.backgroundImage="url("+can.toDataURL("image/png")+")";</script></body>
</html>
