python 上传多文件

发布时间：2020-12-20 10:53:37 所属栏目：Python 来源：网络整理

导读：后台 import jsonfrom django.shortcuts import render,HttpResponse,HttpResponseRedirectimport osimport jsonBASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))def upload(request): if request.method == ‘GET‘: return render

后台

import json
from django.shortcuts import render,HttpResponse,HttpResponseRedirect
import os
import json
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

def upload(request):

    if request.method == ‘GET‘:
        return render(request,‘form.html‘)
    else:
        file_name = request.POST.get(‘user‘)
        pwd = request.POST.get(‘pwd‘)
        file_obj = request.FILES.get(‘file‘)

        f = open(os.path.join(BASE_DIR,‘static‘,‘images‘,file_name+‘.png‘),‘wb‘)
        # print(file_obj,type(file_obj))

        for chunk in file_obj.chunks():
            f.write(chunk)
            f.close()

    msg = {
        ‘status‘:True,‘msg‘:‘上传成功‘,‘fileName‘:file_name,‘pwd‘:pwd
    }
    return HttpResponse(json.dumps(msg))

def morefiles(request):
    if request.method == ‘GET‘:
        return render(request,‘morefile.html‘)
    else:
        file_name = request.POST.get(‘userName‘)
        pwd = request.POST.get(‘password‘)
        #获取单个文件
        # file_obj = request.FILES.get(‘files‘)
        print(file_name,pwd)
        #获取多个文件对象
        files = request.FILES.getlist(‘files‘)
        print(files)
        for f in files:
            
            destination = open(os.path.join(BASE_DIR,f.name),‘wb+‘)
            for chunk in f.chunks():
                destination.write(chunk)
            destination.close()

        msg = {
            ‘status‘:200,# ‘fileName‘:file_name,# ‘pwd‘:pwd
        }
        return HttpResponse(json.dumps(msg))

　前端

<html>
<head>
    <title>login test</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="ajax方式">
<!--    <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>-->
    <script src="https://ajax.aspnetcdn.com/ajax/jquery/jquery-1.8.3.min.js"></script>
    <script type="text/javascript">
        $(function () {
            let fileList = [];
            let files = $("#files");
            files.on("change",function (event) {
                for (var i = 0; i < files[0].files.length; i++) {
                    fileList.push(files[0].files[i]);
                }
                console.log(fileList)
            });

            $("#login").click(function () {
                let formData = new FormData();
                fileList.forEach(function (file,index) {
                    formData.append(‘files‘,file,file.name);
                })
                formData.append("userName",$("#userName").val())
                formData.append("password",$("#pwd").val())

                $.ajax({
                    //几个参数需要注意一下
                    type: "POST",//方法类型
                    dataType: "json",//预期服务器返回的数据类型
                    url: "/morefiles/",//url
                    data: formData,contentType:false,processData:false,success: function (result) {
                        console.log(result);//打印服务端返回的数据(调试用)
                        if (result.resultCode == 200) {
                            alert("SUCCESS");
                        }
                        ;
                    },error : function() {
                        alert("异常！");
                    }
                });
            })
        })

    </script>
</head>
<body>
<div id="form-div">
    <form id="form1" onsubmit="return false" action="/" method="post" enctype="multipart/form-data">
        <p>用户名：<input id="userName" name="userName" type="text" id="txtUserName" tabindex="1" size="15" value=""/></p>
        <p>密　码：<input id="pwd" name="password" type="password" id="TextBox2" tabindex="2" size="16" value=""/></p>
        <p>附件： <input id="files" type="file" name="files" multiple="multiple"></p>
        <p><input id="login" type="button" value="登录" >?<input type="reset" value="重置"></p>
    </form>
</div>
</body>
</html>

（编辑：李大同）

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