<!DOCTYPE html> <html> <head> <title>HTML5上传图片预览</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <script src="http://www.codefans.net/ajaxjs/jquery-1.6.2.min.js"></script> </head> <body> <h3>请选择图片文件</h3> <form name="form0" id="form0"> <input type="file" name="file0" id="file0" multiple="multiple" /><br><img src="" id="img0"> </form> <script> $("#file0").change(function() { var objUrl = getObjectURL(this.files[0]); console.log("objUrl = " + objUrl); if(objUrl) { $("#img0").attr("src", objUrl); } }); //建立一個可存取到該file的url function getObjectURL(file) { var url = null; if(window.createObjectURL != undefined) { // basic url = window.createObjectURL(file); } else if(window.URL != undefined) { // mozilla(firefox) url = window.URL.createObjectURL(file); } else if(window.webkitURL != undefined) { // webkit or chrome url = window.webkitURL.createObjectURL(file); } return url; } </script> </body> </html>