<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<canvas id="canvas" style="margin:0 auto;border:1px #ddd solid;">
The current browser does not support Canvas, can replace the browser a try!
</canvas> <script> window.onload = function(){
var canvas = document.getElementById('canvas'); canvas.width = 800;
canvas.height = 800; if(canvas.getContext('2d')){
var context = canvas.getContext('2d'); // begin
var backgroundImage = new Image();
backgroundImage.src = "img/1.png";
backgroundImage.onload = function(){
var pattern = context.createPattern(backgroundImage,'repeat');
context.fillStyle = pattern;
context.fillRect(0,0,canvas.width,canvas.height)
} }else{
alert('当前游览器不支持Canvas，请更换游览器后再试！');
}
}
</script>
</body>
<script>
/*总结
//填充图片
createPattern(img,repeat-style) repeat-style:
repeat-x
repeat-y
repeat
no-repeat //填充canvas
createPattern(canvas,repeat-style) //填充video
createPattern(video,repeat-style)
*/
</script>
</html>