demo.js
window.onload=function() { ???createcanvas(); ???drawImage();} function createcanvas() ?{ ????var CANVAS=document.getElementById(‘mycanvas‘); ?????context=CANVAS.getContext(‘2d‘); }function drawImage() { ???var img=new Image(); ???img.onload=function() { ???????context.drawImage(img,0,0,200,200 ); ???} ???img.src="img5.jpg";}demo.html
<!DOCTYPE html><html lang="en"><head> ???<meta charset="UTF-8"> ???<title>canvas</title> ????<script type="text/javascript" src="demo.js"></script></head><body> ???<canvas ?id="mycanvas" ??width="400" hight="400" ><span>你的浏览器不支持canvas</span></canvas></body></html>
图片：
效果：
2017-09-08 08:09:02
HTML5 canvas绘制图片
原文地址：http://www.cnblogs.com/guangzhou11/p/7492781.html