摘要: 1 <input type="file" id="upload"> 2 <img id="qrcode"> 3 4 var upload = document.querySelector("#upload"); 5 var qrcode= document.querySelector("#qrcod 阅读全文
posted @ 2020-04-28 17:58 Frank-f 阅读(294) 评论(0) 推荐(0) 编辑