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This article mainly teaches you how to simply implement the jQuery upload image display preview function. It has a certain reference value. Interested friends can refer to it. I hope it can help everyone.
<!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://img9.tongzhuo100.com/js/jquery-1.7.2.min.js"></script> <style> .hide { display:none; } </style> </head> <body> <h3>请选择图片文件:JPG/GIF</h3> <form name="form0" id="form0" > <input type="file" name="file0" id="file0" multiple="multiple" /> <br><br><img src="" id="img0" width="120" class="hide"> </form> <script> $("#file0").change(function(){ var objUrl = getObjectURL(this.files[0]) ; console.log("objUrl = "+objUrl) ; if (objUrl) { $("#img0").attr("src", objUrl); $("#img0").removeClass("hide"); } }) ; //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>
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