摘要: window.onload = function(){ function arc(canvas,number){ var canvas = document.getElementById(canvas), //获取canvas元素 context = canvas.getContext('2d'), //获取画图环境,指明为2d ... 阅读全文
posted @ 2016-11-03 17:28 kimingw 阅读(696) 评论(0) 推荐(0)