<!DOCTYPE html> <html lang="zh-cn"> <head> <meta charset="utf-8" /> <script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script> <meta name="author" content="EdieLei" /> <title>HTML5 图片上传预览</title> <script type="text/javascript"> $(function(){ $('#img').change(function(){ var file = this.files[0]; //选择上传的文件 var r = new FileReader(); r.readAsDataURL(file); //Base64 alert(r) $(r).load(function(){ $('div').html('<img src="'+ this.result +'" alt="" />'); }); }); }); </script> </head> <body> <h3>HTML5 图片上传预览</h3> <input id="img" type="file" accept="image/*" /> <div></div> </body> </html>