摘要: 1 <script> 2 var canvas = document.getElementById("canvas"); 3 //canvas 的大小 4 canvas.width = 900; 5 canvas.height = 150; 6 var ctx = canvas.getContext 阅读全文
posted @ 2018-03-10 17:42 蛮启 阅读(166) 评论(0) 推荐(0) 编辑