【Django】 原生上传文件,后台接收文件

HTML:

 

 

url.py:

    url('task/post/$', add_task.AddTask.as_view()),







add_task.py:

import os
import random

from rest_framework.views import APIView
from django.shortcuts import render,redirect,HttpResponse
from dal import models
from django.http import JsonResponse
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

def referralID():
    str = ""
    for i in range(6):
        code = random.randrange(3)
        if code == 0:
            # 随机生成一个大写字母
            ch = chr(random.randrange(ord("A"), ord("Z") + 1))
            str += ch
        elif code == 1:
            # 随机生成一个小写字母
            ch = chr(random.randrange(ord("a"), ord("z") + 1))
            str += ch
        elif code == 2:
            # 随机生成一个数字
            ch = chr(random.randrange(ord("0"), ord("9") + 1))
            str += ch
    return str





class AddTask(APIView):

    def post(self,request):

        username = str(request.data.get("username"))
        task_title =  str(request.data.get("title"))
        text =  str(request.data.get("text"))
        file = request.FILES.get('file',None)

        # 加密文件名（完整的文件路径）
        row_name = file.name.split(".")[0] + referralID()
        md5_name = row_name + "." + file.name.split(".")[1]

        # 上传图片
        with open(BASE_DIR + "\\media\\file\\" + md5_name, 'wb') as f:
            for chunk in file.chunks():
                f.write(chunk)

        # 数据库路径
        sql_path = "file\\{}".format(md5_name)

        user_id = models.UserInfo.objects.get(username=username).pk

        message = {}

        try:
            models.Tasks.objects.create(task_title=task_title,student_text=text,student_file=sql_path,user_id=user_id)
            message['code'] = 200
            message['message'] = "提交成功"
            return JsonResponse(message)
        except Exception as e:
            print(e)
            message['code'] = 444
            message['message'] = "提交失败"
            return JsonResponse(message)