【django基础】django接口 异步ajax请求 导出数据库成excel表(包裹前端后端)

from django.utils.http import urlquote
from rest_framework.views import APIView
from django.shortcuts import render, redirect, HttpResponse
from dal import models
from django.http import JsonResponse, FileResponse, StreamingHttpResponse
import osimport xlwtBASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) # C:\Users\user\Desktop\DownTestclass fileShow(APIView): def get(self, request): message = {}
userinfo = models.UserInfo.objects.all() workbook = xlwt.Workbook(encoding='utf-8') # 新建工作簿\ sheet1 = workbook.add_sheet("用户表") # 新建sheet
sheet1.write(0, 0, "ID") # 第1行第1列数据
sheet1.write(0, 1, "用户名") # 第1行第1列数据
sheet1.write(0, 2, "密码") # 第1行第1列数据
sheet1.write(0, 3, "创建时间") # 第1行第1列数据 path = BASE_DIR + "\\utils\\username.xlsx" # 储存路径 excel_row = 1
for obj in userinfo:
data_id = obj.id
data_username = obj.username
data_password = obj.password
data_time = obj.create_time sheet1.write(excel_row, 0, data_id)
sheet1.write(excel_row, 1, data_username)
sheet1.write(excel_row, 2, data_password)
sheet1.write(excel_row, 3, str(data_time))
excel_row += 1 workbook.save(path) file = open(path,'rb') # 字符串替换成文件
print("file",file.name)
# file_names = file.name.split('/')[-1]
# print("file_names",file_names) response = FileResponse(file)
response['Content-Type'] = 'application/octet-stream' response['Content-Disposition'] = "attachment;filename={}".format(urlquote(path)) # 字符串替换成下载文件
print(response)
return response

<button id="up">下载文件</button> 一个按钮请求：// 下载文件
$("#up").on("click", function () {
$.ajax({
url: "down/",
type: "get",
data: {},
success: function (data) {
var $a = $('<a></a>');
$a.attr("href", "http://127.0.0.1:8000/down/"); # 红色的是你下载路径
$("body").append($a);
$a[0].click();
$a.remove();
} })