摘要: 1.图像放大缩小 <script> var cvs = document.getElementById("canvas"); cvs.width = 320 cvs.height = 213; var context = cvs.getContext("2d"); var range = docum 阅读全文
posted @ 2016-01-31 22:08 lunawzh 阅读(473) 评论(0) 推荐(0) 编辑