摘要: window.onload = function(){ var canvas = document.getElementById('canvas'), //获取canvas元素 context = canvas.getContext('2d'), //获取画图环境,指明为2d centerX = canvas.width/2, //Canvas中心... 阅读全文
posted @ 2019-01-24 15:12 =DLSS=webZT 阅读(243) 评论(0) 推荐(0) 编辑