html5 绘制图片到canvas
<!DOCTYPE html> <html> <body> <canvas id="myCanvas" width="200" height="100" style="border:1px solid #c3c3c3;"> Your browser does not support the HTML5 canvas tag. </canvas> <script type="text/javascript"> var c=document.getElementById("myCanvas"); var ctx=c.getContext("2d"); var img=new Image(); img.onload = function(){ ctx.drawImage(img,0,0); }; img.src="img_flwr.png"; </script> </body> </html>