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文件上传

目录

1. 配置文件上传的路径

2. 实现上传文件功能

3.代码展示集合

这篇文章, 我们会讲到如何去上传文件。里面的细节点, 需要注意下, 博主就在配置文件上, 卡了很长时间的bug, 这篇文章里面也会讲到博主遇到bug的点。

一、配置文件上传的路径

我们打开settings.py:

在最后面加上两行代码:

import os
MEDIA_ROOT = os.path.join(BASE_DIR, "media")
MEDIA_URL = "/media/"

这两行代码, 是用来设置将来文件上传玩以后, 把上传好的文件放到哪里, 我们在那两行代码的配置信息里面不难看出, 我们是将上传好的文件, 都存放在media文件夹里面。

我们在项目的根目录下新建一个media文件夹。

然后我们还需要文件上传的相应路由:

urls.py:

"""project_simple URL ConfigurationThe `urlpatterns` list routes URLs to views. For more information please see:https://docs.djangoproject.com/en/4.1/topics/http/urls/
Examples:
Function views1. Add an import:  from my_app import views2. Add a URL to urlpatterns:  path('', views.home, name='home')
Class-based views1. Add an import:  from other_app.views import Home2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
Including another URLconf1. Import the include() function: from django.urls import include, path2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
"""
from django.contrib import admin
from django.urls import path, re_path
from django.views.static import serve
from django.conf import settings
from project_one.views import depart, user, assets, admin_role, login, Ajax_data, task_data, performurlpatterns = [re_path(r"^media/(?P<path>.*)$", serve, {"document_root": settings.MEDIA_ROOT})
]

这里运用了正则表达式, 来匹配要访问文件的路由, 用正则表达式^media/(?P<path>.*)$ 来表示。

这里面需要导入以下包:

1.from django.urls import path, re_path

2.from django.views.static import serve

3.from django.conf import settings

以上两个步骤, 在做今天的项目之前, 一定要配置好, 不然到后面调试程序的时候, 都不清楚哪里报错了, 博主就是因为这个问题, 卡了很久。。。。。。

二、实现上传文件功能

创建数据库表格Perform(这个是记录业绩的表格):

models.py:

class Perform(models.Model):oid = models.CharField(verbose_name="订单号", max_length=32)source = models.CharField(verbose_name="销售", max_length=32)title = models.CharField(verbose_name="客户姓名", max_length=32)times = models.DateField(verbose_name="成交日期")price = models.CharField(verbose_name="成交金额", max_length=32)name = models.CharField(verbose_name="销售人员", max_length=32)image = models.CharField(verbose_name="详情", max_length=128)

我们先要实现页面展示功能:

perform_list.html:

{% extends "index/model_tmp.html" %}
{#{% load static %}#}{% block content %}<div class="container"><a href="/perform/add/" class="btn btn-success">添加信息</a><div class="panel panel-success"><div class="panel-heading"><h3 class="panel-title">绩效表</h3></div><div class="panel-body"><table class="table table-bordered"><thead><tr><th>ID</th><th>订单号</th><th>客户来源</th><th>客户名称</th><th>成交时间</th><th>成交价格</th><th>销售人员</th><th>详情</th>{% if request.unicom_role == 3 %}<th>操作</th>{% endif %}</tr></thead><tbody>{% for data in perform_list %}<tr><th scope="row">{{ data.id }}</th><th>{{ data.oid }}</th><th>{{ data.source }}</th><th>{{ data.title }}</th><th>{{ data.times }}</th><th>{{ data.price }}</th><th>{{ data.name }}</th><th><div><a target="_blank" href="/{{ data.image }}/" style="width: 60px; height: 60px;"><img style="object-fit: cover; border-radius: 100px;" src="/{{ data.image }}/" width="60" height="60" alt="图片无法加载"></a></div></th>{% if request.unicom_role == 3 %}<td style="color: green"><a href="#"><span style="color: green;" class="glyphicon glyphicon-pencil" aria-hidden="true"></span></a><a href="#"><span style="color: red;" class="glyphicon glyphicon-trash" aria-hidden="true"></span></a></td>{% endif %}</tr>{% endfor %}</tbody></table></div></div>{# 实现分页查询 #}<ul class="pagination">{{ page_string }}</ul></div>
{% endblock %}

PageData.py（这个代码之前写过, 这篇文章中需要用到此代码）:

from copy import deepcopy
from django.utils.safestring import mark_safeclass PageData(object):def __init__(self, request, queryset, page_size=10, plus=2, page_param="page"):get_query_dict = deepcopy(request.GET)self.query_dict = get_query_dictself.page_param = page_parampage = request.GET.get(self.page_param, "1")# 判段当前page首部是纯数字if page.isdecimal():page = int(page)else:page = 1self.page = pageself.start = (self.page - 1) * page_sizeself.end = self.page * page_sizeself.page_queryset = queryset[self.start: self.end]page_count = queryset.count()page_count, div = divmod(page_count, page_size)if div:page_count += 1self.page_count = page_countself.plus = plusdef page_html(self):if self.page_count <= 2 * self.plus + 1:start_page = 1end_page = self.page_countelse:# 如果当前点击的页面是小于3的if self.page <= self.plus:start_page = 1end_page = 2 * self.plus + 1else:# 后五页if (self.page + self.plus) > self.page_count:start_page = self.page_count - self.plus * 2end_page = self.page_countelse:# 大于前五页，小于后五也的其他页面start_page = self.page - self.plusend_page = self.page + self.pluspage_str_list = []# 首页self.query_dict.setlist(self.page_param, [1])page_str_list.append(f'<li><a href="?{self.query_dict.urlencode()}">首页</a></li>')# 上一页if self.page > 1:self.query_dict.setlist(self.page_param, [self.page - 1])page_str_list.append(f'<li><a href="?{self.query_dict.urlencode()}"><span aria-hidden="true">«</span></a></li>')else:page_str_list.append(f'<li class="disabled"><span aria-hidden="true">«</span></li>')for page_num in range(start_page, end_page + 1):if page_num == self.page:self.query_dict.setlist(self.page_param, [page_num])page_str_list.append(f'<li class="active"><a href="?{self.query_dict.urlencode()}">{page_num}</a></li>')else:self.query_dict.setlist(self.page_param, [page_num])page_str_list.append(f'<li><a href="?{self.query_dict.urlencode()}">{page_num}</a></li>')# 下一页if self.page < self.page_count:self.query_dict.setlist(self.page_param, [self.page + 1])page_str_list.append(f'<li><a href="?{self.query_dict.urlencode()}"><span aria-hidden="true">»</span></a></li>')else:page_str_list.append(f'<li class="disabled"><span aria-hidden="true">»</span></li>')# 尾页self.query_dict.setlist(self.page_param, [self.page_count])page_str_list.append(f'<li><a href="?{self.query_dict.urlencode()}">尾页</a></li>')search_page = """<li><div style="float: right"><form method="get"><div class="input-group" style="width: 100px;float: right"><input type="text" class="form-control" name="page"><span class="input-group-btn"><button class="btn btn-success" type="submit">跳转</button></span></div></form></div></li>"""page_str_list.append(search_page)page_string = mark_safe("".join(page_str_list))return page_string

perform.py:

from datetime import datetimefrom django.shortcuts import render, redirect
from django import forms
from project_one.utils.PageData import PageData
import osfrom project_one import models# Create your views here.
def perform_info(request):perform_list = models.Perform.objects.all()# 这个PageData分页, 在utils代码里面。page_object = PageData(request, perform_list)content = {"perform_list": page_object.page_queryset,"page_string": page_object.page_html()}return render(request, "perform/perform_list.html", content)

绩效数据添加功能:

我们先自定义form:

class PerformForm(forms.Form):oid = forms.CharField(label="订单号",widget=forms.TextInput(attrs={"class": "form-control", "autocomplete": "off"}))source = forms.CharField(label="客户来源",widget=forms.TextInput(attrs={"class": "form-control", "autocomplete": "off"}))title = forms.CharField(label="客户名称",widget=forms.TextInput(attrs={"class": "form-control", "autocomplete": "off"}))price = forms.CharField(label="成交价格",widget=forms.TextInput(attrs={"class": "form-control", "autocomplete": "off"}))image = forms.FileField(label="详情")

这里我们没有写class Meta这个类, 所以我们需要用到Form而不是ModelForm。

添加函数:

def add_perform(request):if request.method == "GET":title = "添加绩效"form = PerformForm()content = {"title": title, "form": form}return render(request, "perform/perform_add_modify.html", content)# 如果要上传文件的话, request.FILES千万不能漏掉form = PerformForm(data=request.POST, files=request.FILES)if form.is_valid():# 获取提交过来的文件对象image_object = form.cleaned_data.get("image")# 拼接路径# image_object.name这个就是文件名字,# os.path.join("media", image_object.name)就代表用media文件夹拼接文件名字,# 也就是把路径变为:文件夹/文件名。# 但是最后的路径为:文件夹\文件名。所以需要把\替换成/, 注意要写成\\,# 因为反斜杠它在正则表达式里面本身就有自己的意义, 所以这里需要转义操作。print(os.path.join("media", image_object.name))file_path = os.path.join("media", image_object.name).replace("\\", "/")print(file_path)# 将文件存储在media目录当中with open(file_path, "wb") as file:for chunk in image_object.chunks():file.write(chunk)oid = form.cleaned_data.get("oid")source = form.cleaned_data.get("source")title = form.cleaned_data.get("title")times = datetime.now().strftime("%Y-%m-%d")price = form.cleaned_data.get("price")name = request.session['info']['username']models.Perform.objects.create(oid=oid, source=source, title=title, times=times, price=price, name=name, image=file_path)return redirect("/perform/list/")return render(request, "perform/perform_add_modify.html", {"form": form})

这里有些细节需要注意:

1. files=request.FILES不能漏加, 因为我们在添加数据的时候, 要上传文件。
2. 拼接路径的写法, 利用os.path.join来实现, 最后不要忘记用replace函数把反斜杠\替换成斜杠/。
3. 将文件存储到media里面, 需要用到文件存储的代码, 里面用chunk来遍历存储, 因为只有request请求, 才具有.content存储, 那这里, 我们只能用chunk来解决。
4. 添加数据, 需要获取到相关的所有数据, oid订单号, source客户来源, title客户名称, times成交时间(获取当前时间, 然后再用年-月-日的格式存储), price成交价格, name销售人员, image就是file_path(文件路径)。

perform_add_modify.html:

{% extends "index/model_tmp.html" %}
{% load static %}{% block css %}<link rel="stylesheet" href="{% static 'css/layui.css' %}">
{% endblock %}{% block content %}<div class="container"><h1>{{ title }}</h1>{# 由于我们enctype="multipart/form-data"必须要加 #}<form method="post" enctype="multipart/form-data">{% csrf_token %}{% for field in form %}
{#       field.label这里面就是获取我们在models.py里面创建表格里面的每一个字段里面有个verbose_name这个参数的值         #}<label for="exampleInputEmail1">{{ field.label }}</label>{{ field }}{#       展示错误信息         #}<span style="color: red">{{ field.errors.0 }}</span><br>{% endfor %}<button type="submit" class="btn btn-success">提交</button></form></div>
{% endblock %}

这里面也有个细节需要注意下, 由于我们需要再添加数据的时候, 上传文件, 那我们就需要在form表单里面, 加上enctype="multipart/form-data"。

最后我们不要忘记添加路由:

urls.py:

"""project_simple URL ConfigurationThe `urlpatterns` list routes URLs to views. For more information please see:https://docs.djangoproject.com/en/4.1/topics/http/urls/
Examples:
Function views1. Add an import:  from my_app import views2. Add a URL to urlpatterns:  path('', views.home, name='home')
Class-based views1. Add an import:  from other_app.views import Home2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
Including another URLconf1. Import the include() function: from django.urls import include, path2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
"""
from django.contrib import admin
from django.urls import path, re_path
from django.views.static import serve
from django.conf import settings
from project_one.views import depart, user, assets, admin_role, login, Ajax_data, task_data, performurlpatterns = [re_path(r"^media/(?P<path>.*)$", serve, {"document_root": settings.MEDIA_ROOT})path("perform/list/", perform.perform_info, name="perform_info"),path("perform/add/", perform.add_perform, name="add_perform")
]

还有, 不要忘记在model_tmp.html的header里面添加绩效那栏。

<ul class="nav navbar-nav">{% if request.unicom_role == 1 %}<li class="active"><a href="/depart/">部门页面</a></li><li class="active"><a href="/user/">员工页面</a></li>{% elif request.unicom_role == 3%}<li class="active"><a href="/depart/">部门页面</a></li><li class="active"><a href="/user/">员工页面</a></li><li class="active"><a href="/assets_list/">资产页面</a></li>{% endif %}{#                <li class="active"><a href="/depart/">部门页面</a></li>#}{#                <li class="active"><a href="/user/">员工页面</a></li>#}{#                <li class="active"><a href="/assets_list/">资产页面</a></li>#}<li class="dropdown">{% if request.unicom_role == 3 %}<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"aria-expanded="false">平台用户<span class="caret"></span></a>{% endif %}<ul class="dropdown-menu"><li><a href="/admin_list/">登录账号</a></li><li><a href="/demo/list/">ajax请求</a></li></ul></li><li class="active"><a href="/task/list/">任务列表</a></li><li class="active"><a href="/perform/list/">绩效</a></li>
</ul>

运行结果:

我们登录管理员账号之后, 在上面的导航栏里面点击绩效:

然后点击添加信息:

文件的话, 自己随便从电脑里面选择一个文件。

提交(添加)数据:

数据添加成功!!!

我们再点击一下详情:

会帮我们打开我们上传的文件, 我们这里上传的是图片。

三、代码展示合集

前端:

perform_list.html:

{% extends "index/model_tmp.html" %}
{#{% load static %}#}{% block content %}<div class="container"><a href="/perform/add/" class="btn btn-success">添加信息</a><div class="panel panel-success"><div class="panel-heading"><h3 class="panel-title">绩效表</h3></div><div class="panel-body"><table class="table table-bordered"><thead><tr><th>ID</th><th>订单号</th><th>客户来源</th><th>客户名称</th><th>成交时间</th><th>成交价格</th><th>销售人员</th><th>详情</th>{% if request.unicom_role == 3 %}<th>操作</th>{% endif %}</tr></thead><tbody>{% for data in perform_list %}<tr><th scope="row">{{ data.id }}</th><th>{{ data.oid }}</th><th>{{ data.source }}</th><th>{{ data.title }}</th><th>{{ data.times }}</th><th>{{ data.price }}</th><th>{{ data.name }}</th><th><div><a target="_blank" href="/{{ data.image }}/" style="width: 60px; height: 60px;"><img style="object-fit: cover; border-radius: 100px;" src="/{{ data.image }}/" width="60" height="60" alt="图片无法加载"></a></div></th>{% if request.unicom_role == 3 %}<td style="color: green"><a href="#"><span style="color: green;" class="glyphicon glyphicon-pencil" aria-hidden="true"></span></a><a href="#"><span style="color: red;" class="glyphicon glyphicon-trash" aria-hidden="true"></span></a></td>{% endif %}</tr>{% endfor %}</tbody></table></div></div>{# 实现分页查询 #}<ul class="pagination">{{ page_string }}</ul>
</div>
{% endblock %}

perform_add_modify:

{% extends "index/model_tmp.html" %}
{% load static %}{% block css %}
<link rel="stylesheet" href="{% static 'css/layui.css' %}">
{% endblock %}{% block content %}
<div class="container"><h1>{{ title }}</h1>{# 由于我们enctype="multipart/form-data"必须要加 #}<form method="post" enctype="multipart/form-data">{% csrf_token %}{% for field in form %}{#       field.label这里面就是获取我们在models.py里面创建表格里面的每一个字段里面有个verbose_name这个参数的值         #}<label for="exampleInputEmail1">{{ field.label }}</label>{{ field }}{#       展示错误信息         #}<span style="color: red">{{ field.errors.0 }}</span><br>{% endfor %}<button type="submit" class="btn btn-success">提交</button></form>
</div>
{% endblock %}

model_tmp.html

{% load static %}
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8"><title>Title</title><link rel="stylesheet" href="{% static 'css/bootstrap.css' %}">{% block css %}{% endblock %}</head><body><div class="navbar navbar-default"><div class="container"><!-- Brand and toggle get grouped for better mobile display --><div class="navbar-header"><button type="button" class="navbar-toggle collapsed" data-toggle="collapse"data-target="#bs-example-navbar-collapse-1" aria-expanded="false"><span class="sr-only">Toggle navigation</span><span class="icon-bar"></span><span class="icon-bar"></span><span class="icon-bar"></span></button><a class="navbar-brand" href="#">管理系统</a></div><!-- Collect the nav links, forms, and other content for toggling --><div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"><ul class="nav navbar-nav">{% if request.unicom_role == 1 %}<li class="active"><a href="/depart/">部门页面</a></li><li class="active"><a href="/user/">员工页面</a></li>{% elif request.unicom_role == 3%}<li class="active"><a href="/depart/">部门页面</a></li><li class="active"><a href="/user/">员工页面</a></li><li class="active"><a href="/assets_list/">资产页面</a></li>{% endif %}{#                <li class="active"><a href="/depart/">部门页面</a></li>#}{#                <li class="active"><a href="/user/">员工页面</a></li>#}{#                <li class="active"><a href="/assets_list/">资产页面</a></li>#}<li class="dropdown">{% if request.unicom_role == 3 %}<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"aria-expanded="false">平台用户<span class="caret"></span></a>{% endif %}<ul class="dropdown-menu"><li><a href="/admin_list/">登录账号</a></li><li><a href="/demo/list/">ajax请求</a></li></ul></li><li class="active"><a href="/task/list/">任务列表</a></li><li class="active"><a href="/perform/list/">绩效</a></li></ul><ul class="nav navbar-nav navbar-right"><li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"aria-expanded="false">欢迎-->{{ request.session.info.username }}<span class="caret"></span></a><ul class="dropdown-menu"><li><a href="/logout/">退出登录</a></li></ul></li></ul></div><!-- /.navbar-collapse --></div><!-- /.container-fluid --></div>{% block content %}{% endblock %}<script src="{% static 'js/jquery3.7.1.js' %}"></script><script src="{% static 'js/bootstrap.js' %}"></script>{% block js %}{% endblock %}</body>
</html>

后端:

models.py:

from django.db import models# Create your models here.
class Department(models.Model):title = models.CharField(verbose_name="部门名称", max_length=255)def __str__(self):return self.titleclass UserInfo(models.Model):name = models.CharField(verbose_name="姓名", max_length=255)gender_choices = ((1, "男"), (2, "女"))gender = models.SmallIntegerField(verbose_name="性别", choices=gender_choices)salary = models.IntegerField(verbose_name="薪水")age = models.IntegerField(verbose_name="年龄")create_time = models.DateField(verbose_name="入职时间")department = models.ForeignKey(verbose_name="部门", max_length=255, to="Department", to_field="id",on_delete=models.CASCADE, null=True, blank=True)def __str__(self):return self.nameclass Assets(models.Model):mobile = models.CharField(verbose_name="手机号", max_length=11)status_code_choice = ((1, "已使用"),(2, "未使用"))status = models.SmallIntegerField(verbose_name="状态", choices=status_code_choice)create_time = models.DateField(verbose_name="创建时间")user = models.ForeignKey(to="UserInfo", to_field="id", verbose_name="使用者", on_delete=models.SET_NULL, null=True, blank=True)price = models.CharField(verbose_name="价格", max_length=10)class AdminRole(models.Model):username = models.CharField(verbose_name="用户名", max_length=32)password = models.CharField(verbose_name="密码", max_length=64)password_choice = ((1, "员工"),(2, "领导"),(3, "管理员"))role = models.SmallIntegerField(verbose_name="角色", choices=password_choice)class Task(models.Model):title = models.CharField(verbose_name="标题", max_length=64)level_choice = {(1, "临时任务"),(2, "普通任务"),(3, "重要任务"),(4, "紧急任务")}level = models.SmallIntegerField(verbose_name="任务级别", choices=level_choice)detail = models.TextField(verbose_name="任务内容")user = models.ForeignKey(verbose_name="负责人", to="UserInfo", on_delete=models.CASCADE, null=True, blank=True)times = models.DateField(verbose_name="开始时间")code_choices = {(1, "未完成"),(2, "正在处理"),(3, "已完成")}code = models.SmallIntegerField(verbose_name="任务状态", choices=code_choices)class Perform(models.Model):oid = models.CharField(verbose_name="订单号", max_length=32)source = models.CharField(verbose_name="销售", max_length=32)title = models.CharField(verbose_name="客户姓名", max_length=32)times = models.DateField(verbose_name="成交日期")price = models.CharField(verbose_name="成交金额", max_length=32)name = models.CharField(verbose_name="销售人员", max_length=32)image = models.CharField(verbose_name="详情", max_length=128)

perform.py:

from datetime import datetimefrom django.shortcuts import render, redirect
from django import forms
from project_one.utils.PageData import PageData
import osfrom project_one import models# Create your views here.
def perform_info(request):perform_list = models.Perform.objects.all()page_object = PageData(request, perform_list)content = {"perform_list": page_object.page_queryset,"page_string": page_object.page_html()}return render(request, "perform/perform_list.html", content)class PerformForm(forms.Form):oid = forms.CharField(label="订单号",widget=forms.TextInput(attrs={"class": "form-control", "autocomplete": "off"}))source = forms.CharField(label="客户来源",widget=forms.TextInput(attrs={"class": "form-control", "autocomplete": "off"}))title = forms.CharField(label="客户名称",widget=forms.TextInput(attrs={"class": "form-control", "autocomplete": "off"}))price = forms.CharField(label="成交价格",widget=forms.TextInput(attrs={"class": "form-control", "autocomplete": "off"}))image = forms.FileField(label="详情")def add_perform(request):if request.method == "GET":title = "添加绩效"form = PerformForm()content = {"title": title, "form": form}return render(request, "perform/perform_add_modify.html", content)# 如果要上传文件的话, request.FILES千万不能漏掉form = PerformForm(data=request.POST, files=request.FILES)if form.is_valid():# 获取提交过来的文件对象image_object = form.cleaned_data.get("image")# 拼接路径# image_object.name这个就是文件名字,# os.path.join("media", image_object.name)就代表用media文件夹拼接文件名字,# 也就是把路径变为:文件夹/文件名。# 但是最后的路径为:文件夹\文件名。所以需要把\替换成/, 注意要写成\\,# 因为反斜杠它在正则表达式里面本身就有自己的意义, 所以这里需要转义操作。print(os.path.join("media", image_object.name))file_path = os.path.join("media", image_object.name).replace("\\", "/")print(file_path)# 将文件存储在media目录当中with open(file_path, "wb") as file:for chunk in image_object.chunks():file.write(chunk)oid = form.cleaned_data.get("oid")source = form.cleaned_data.get("source")title = form.cleaned_data.get("title")times = datetime.now().strftime("%Y-%m-%d")price = form.cleaned_data.get("price")name = request.session['info']['username']models.Perform.objects.create(oid=oid, source=source, title=title, times=times, price=price, name=name, image=file_path)return redirect("/perform/list/")return render(request, "perform/perform_add_modify.html", {"form": form})

settings.py:

"""
Django settings for project_simple project.Generated by 'django-admin startproject' using Django 4.1.3.For more information on this file, see
https://docs.djangoproject.com/en/4.1/topics/settings/For the full list of settings and their values, see
https://docs.djangoproject.com/en/4.1/ref/settings/
"""from pathlib import Path
import os# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/4.1/howto/deployment/checklist/# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'django-insecure-m@31x($s*0tgzm0$2(ct6izu)8oe$xa)@k7(&*7tkr*g(dbl)5'# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = TrueALLOWED_HOSTS = []# Application definitionINSTALLED_APPS = ['django.contrib.admin','django.contrib.auth','django.contrib.contenttypes','django.contrib.sessions','django.contrib.messages','django.contrib.staticfiles','project_one.apps.ProjectOneConfig'
]MIDDLEWARE = ['django.middleware.security.SecurityMiddleware','django.contrib.sessions.middleware.SessionMiddleware','django.middleware.common.CommonMiddleware','django.middleware.csrf.CsrfViewMiddleware','django.contrib.auth.middleware.AuthenticationMiddleware','django.contrib.messages.middleware.MessageMiddleware','django.middleware.clickjacking.XFrameOptionsMiddleware','project_one.middleware.auth.AuthMiddleware'
]ROOT_URLCONF = 'project_simple.urls'TEMPLATES = [{'BACKEND': 'django.template.backends.django.DjangoTemplates','DIRS': [],'APP_DIRS': True,'OPTIONS': {'context_processors': ['django.template.context_processors.debug','django.template.context_processors.request','django.contrib.auth.context_processors.auth','django.contrib.messages.context_processors.messages',],},},
]WSGI_APPLICATION = 'project_simple.wsgi.application'# Database
# https://docs.djangoproject.com/en/4.1/ref/settings/#databases# DATABASES = {
#     'default': {
#         'ENGINE': 'django.db.backends.sqlite3',
#         'NAME': BASE_DIR / 'db.sqlite3',
#     }
# }DATABASES = {'default': {'ENGINE': 'django.db.backends.mysql','NAME': '28_class_03','USER': 'root','PASSWORD': '123456','HOST': '127.0.0.1','PORT': '3306',}
}# Password validation
# https://docs.djangoproject.com/en/4.1/ref/settings/#auth-password-validatorsAUTH_PASSWORD_VALIDATORS = [{'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',},{'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',},{'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',},{'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',},
]# Internationalization
# https://docs.djangoproject.com/en/4.1/topics/i18n/LANGUAGE_CODE = 'zh-hans'TIME_ZONE = 'UTC'USE_I18N = TrueUSE_TZ = True# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/4.1/howto/static-files/STATIC_URL = '/static/'# Default primary key field type
# https://docs.djangoproject.com/en/4.1/ref/settings/#default-auto-fieldDEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'UNICOM_PERMISSION = {1: ["add_depart", "depart_modify", "del_depart", "user_add", "user_modify", "user_del", "user_add_modelform","user_modify_modelform", "assets_add", "assets_modify", "assets_del", "admin_add", "admin_modify","admin_reset_pwd", "admin_del"],2: [],3: []
}
# 这篇文章需要添加的代码
MEDIA_ROOT = os.path.join(BASE_DIR, "media")
MEDIA_URL = "/media/"

注意, settings.py里面, 其他代码都不需要动, 我们也不要轻易修改配置文件里面的代码, 否则会导致整个项目崩溃。

urls.py:

"""project_simple URL ConfigurationThe `urlpatterns` list routes URLs to views. For more information please see:https://docs.djangoproject.com/en/4.1/topics/http/urls/
Examples:
Function views1. Add an import:  from my_app import views2. Add a URL to urlpatterns:  path('', views.home, name='home')
Class-based views1. Add an import:  from other_app.views import Home2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
Including another URLconf1. Import the include() function: from django.urls import include, path2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
"""
from django.contrib import admin
from django.urls import path, re_path
from django.views.static import serve
from django.conf import settings
from project_one.views import depart, user, assets, admin_role, login, Ajax_data, task_data, performurlpatterns = [# path('admin/', admin.site.urls),re_path(r"^media/(?P<path>.*)$", serve, {"document_root": settings.MEDIA_ROOT}),path("", depart.index, name="index"),path("depart/", depart.depart, name="depart"),path("depart/add/", depart.add_depart, name="add_depart"),path("depart/<int:nid>/modify/", depart.depart_modify, name="depart_modify"),path("depart/<int:nid>/del/", depart.del_depart, name="del_depart"),path("user/", user.user_info, name="user_info"),path("user/add/", user.user_add, name="user_add"),path("user/<int:nid>/modify/", user.user_modify, name="user_modify"),path("user/<int:nid>/del/", user.user_del, name="user_del"),path("user/add/modelform", user.user_add_modelform, name="user_add_modelform"),path("user/<int:nid>/modify/modelform", user.user_modify_modelform, name="user_modify_modelform"),path("assets_list/", assets.assets, name="assets"),path("assets/add/", assets.assets_add, name="assets_add"),path("assets/<int:nid>/modify/", assets.assets_modify, name="assets_modify"),path("assets/<int:nid>/del/", assets.assets_del, name="assets_del"),path("admin_list/", admin_role.admin, name="admin"),path("admin/add/", admin_role.admin_add, name="admin_add"),path("admin/<int:nid>/modify/", admin_role.admin_modify, name="admin_modify"),path("admin/<int:nid>/reset/pwd/", admin_role.admin_reset_pwd, name="admin_reset_pwd"),path("admin/<int:nid>/del/", admin_role.admin_del, name="admin_del"),path("login/", login.login, name="login"),path("logout/", login.logout, name="logout"),path("image/code/", login.image_code, name="image_code"),path("demo/list/", Ajax_data.demo_list, name="demo_list"),path("demo/one/", Ajax_data.demo_one, name="demo_one"),path("demo/two/", Ajax_data.demo_two, name="demo_two"),path("task/list/", task_data.task_list, name="task_list"),path("task/add/", task_data.task_add, name="task_add"),path('task/del/', task_data.task_delete, name="task_delete"),path('task/modify/', task_data.task_modify, name="task_modify"),path('task/modify/content/', task_data.task_modify_content, name="task_modify_content"),path("perform/list/", perform.perform_info, name="perform_info"),path("perform/add/", perform.add_perform, name="add_perform")
]

好了, 这篇文章关于文件上传功能就到此结束了!!!

以上就是Django的文件上传功能的所有内容了, 如果有哪里不懂的地方,可以把问题打在评论区, 欢迎大家在评论区交流!!!
如果我有写错的地方, 望大家指正, 也可以联系我, 让我们一起努力, 继续不断的进步.
学习是个漫长的过程, 需要我们不断的去学习并掌握消化知识点, 有不懂或概念模糊不理解的情况下,一定要赶紧的解决问题, 否则问题只会越来越多, 漏洞也就越老越大.
人生路漫漫, 白鹭常相伴!!!