<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> #img img{ height: 200px; width: 200px; } </style> </head> <body> <h1>普通文件上传</h1> <div> <form method="POST" action="/upload.html" enctype="multipart/form-data"> {% csrf_token %} <input type="file" name="fafafa"> <input type="submit" value="上传"> </form> </div> <h1>AJAX文件上传</h1> <div> <input type="file" id="img"> <input type="button" value="ajax上传" onclick="Upload()" /> </div> <hr/> <div> <h1>测试功能IFRAME</h1> <input type="text" id="url"> <input type="button" value="点我" onclick="iframeChange();"> <iframe src="" frameborder="1" id="ifr" ></iframe> <hr/> <h1>基于iframe实现文件上传功能</h1> <form method="POST" action="/upload.html" target="iframe_1"> <iframe src="" frameborder="1" name="iframe_1" id="iframe_1" onload="LoadIframe();"></iframe> <input type="text" name="user"> <input type="file" name="fafafa"> <input type="submit" value="上传"> </form> </div> <div id="img"> <H1>图片列表</H1> {% for item in url_list %} <img src="\{{ item.imgsrc }}"> {% endfor %} </div> <script src="/static/jq/jquery-3.3.1.js"></script> <script> function Upload() { var dic=new FormData(); dic.append('user','v1'); dic.append('fafafa',document.getElementById('img').files[0]);//获取当前文件的第一个对象 var xml=new XMLHttpRequest(); xml.open('POST','/upload.html',true);//用异步的方式//传文件 不需要请求头 xml.send(dic); } function iframeChange() { var url=$("#url").val(); $("#ifr").attr("src",url); } function LoadIframe() { console.log(111); //获取iframe内部的内容 var str_json=$("#iframe_1").contents().find('body').text(); var obj=JSON.parse(str_json); if (obj.status){ var img=document.createElement('img'); img.src="/"+obj.path; $("#img").append(img) } } </script> </body> </html>