Django文件上传,供大家参考,具体内容如下
需求
1、完成学生信息注册操作
2、将学生信息入库
3、将上传文件存放至项目下media文件夹下
4、显示所有学生信息
创建模型类
class Student(models.Model): sno = models.AutoField(primary_key=True) sname = models.CharField(max_length=30) photo = models.ImageField(upload_to='im<a>本文来源gao($daima.com搞@代@#码(网</a>gs') <!--内部类写法 数据库中的名字--> class Meta: db_table = 't_stu' def __str__(self): return self.sname
settings.py文件中文件上传相关设置
INSTALLED_APPS = [ ... 'stu' ] DATABASES = { 'default': { 'ENGINE': 'django.db.backends.mysql', 'NAME': 'django22', 'USER': 'root', 'PASSWORD': '123321', 'HOST': '127.0.0.1', 'PORT': '3306', } } MEDIA_URL = '/media/' <!--设置MEDIA_ROOT 默认为空 模型类中图片上传地址 MEDIA_ROOT+up_load --> <!--BASE_DIR 为项目录 --> MEDIA_ROOT = os.path.join(BASE_DIR,'media')
映射数据库表
#在终端中敲命令 python manage.py makemigrations test python manage.py migrate
配置URL
主路由
from django.contrib import admin from django.urls import path, re_path,include from djurls.settings import MEDIA_ROOT from stu import urls from .import views #配置路由读取后台上传文件 from django.views.static import serve urlpatterns = [ path('test/',include('test.urls')), re_path(r'^media/(?P<path>.*)/$', serve, {"document_root": MEDIA_ROOT}), #server 视图函数 将MEDIA的路径和正则匹配的模板路径 显示图片
子路由
from django.urls import path from test import views urlpatterns = [ path('test/',views.index.as_view()), path('show/',views.show) ]
创建视图
stu/views.py
import os from django.http import HttpResponse, HttpResponseRedirect, Http404 from django.shortcuts import render from django.views import View from djurls.settings import BASE_DIR from test.models import Student <!--通过as_view处理自动获取请求方式--> class index(View): def get(self,request): return render(request,'load.html') def post(self,request): name=request.POST.get('sname','') photo=request.FILES.get('photo','') age=request.POST.get('age','') <!--进行校验 将文件名的后缀字符串分割 判断--> extenedname=photo.name[photo.name.rindex('.')+1:] allowedname=['jpg','png'] if extenedname not in allowedname: return Http404() stu=Student.objects.create(sname=name,age=20,photo=photo) if stu: return HttpResponse('注册成功') else: return HttpResponseRedirect('/test/test/') def show(request): stulist=Student.objects.all() return render(request,'show.html',{'stulist':stulist})
创建模板
templates/index.html 注册界面
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <form action="/test/test/" method="post" enctype="multipart/form-data"> {% csrf_token %} <p>姓名<input type="text" name="sname"></p> <p>年龄 <input type="number" name="age"></p> <p>照片 <input type="file" name="photo"></p> <input type="submit" value="注册"> </form> </body> </html>