106 lines
3.6 KiB
Python
106 lines
3.6 KiB
Python
|
import os
|
|||
|
|
|
|||
|
|
from django.shortcuts import render, redirect, HttpResponse
|
|||
|
|
from django import forms
|
|||
|
|
|
|||
|
|
from app import models
|
|||
|
|
from app.utils.bootstrap import BootstrapForm, BootstrapModelForm
|
|||
|
|
from django.conf import settings
|
|||
|
|
|
|||
|
|
|
|||
|
|
class UpForm(BootstrapForm):
|
|||
|
|
"""文件上传演示表单 """
|
|||
|
|
|
|||
|
|
exclude_filed = ['img'] # 过滤字段不让引用Bootstrap样式
|
|||
|
|
|
|||
|
|
name = forms.CharField(label='姓名')
|
|||
|
|
age = forms.IntegerField(label='年龄')
|
|||
|
|
img = forms.FileField(label='头像')
|
|||
|
|
|
|||
|
|
|
|||
|
|
def upload_list(request):
|
|||
|
|
""" 上传文件 """
|
|||
|
|
if request.method == 'GET':
|
|||
|
|
return render(request, 'upload_list.html')
|
|||
|
|
|
|||
|
|
# POST请求
|
|||
|
|
file_object = request.FILES.get('avator')
|
|||
|
|
file_name = file_object.name
|
|||
|
|
|
|||
|
|
# 将接收到的文件，分块写入
|
|||
|
|
with open(f'app/static/upload/{file_name}', 'wb') as f:
|
|||
|
|
for chunk in file_object.chunks():
|
|||
|
|
f.write(chunk)
|
|||
|
|
|
|||
|
|
return HttpResponse('上传成功')
|
|||
|
|
|
|||
|
|
|
|||
|
|
def upload_form(request):
|
|||
|
|
"""Form表单上传文件演示 """
|
|||
|
|
title = 'Form上传'
|
|||
|
|
|
|||
|
|
# get请求，只显示空白表单
|
|||
|
|
if request.method == 'GET':
|
|||
|
|
form = UpForm()
|
|||
|
|
return render(request, 'upload_form.html', {'form': form, 'title': title})
|
|||
|
|
|
|||
|
|
form = UpForm(data=request.POST, files=request.FILES)
|
|||
|
|
if form.is_valid():
|
|||
|
|
print(form.cleaned_data)
|
|||
|
|
# cleaned_data = {'name': 'tom', 'age': 24, 'img': < InMemoryUploadedFile: 780.jpg(image / jpeg) >}
|
|||
|
|
# 下一步就是处理获取到数据
|
|||
|
|
|
|||
|
|
# 对于上传的图像来说，先保存到本地，数据表中存储路径
|
|||
|
|
image_object = form.cleaned_data.get('img')
|
|||
|
|
file_name = image_object.name
|
|||
|
|
|
|||
|
|
# 在这里没有用windows的方式，
|
|||
|
|
# 为了确保在不同系统间都可以用到，
|
|||
|
|
# 所以用os拼接路径 （app/upload/xxx.jpg）
|
|||
|
|
|
|||
|
|
# 重点：django只认静态文件保存在static目录下，用户上传的文件在media目录下（需配置）
|
|||
|
|
# 所以想展示图片，就保存在media目录下
|
|||
|
|
# file_path = os.path.join(settings.MEDIA_ROOT, 'upload', file_name) # 取得是绝对路径D:\xx\xxx\xxx
|
|||
|
|
file_path = os.path.join('media', 'upload', file_name)
|
|||
|
|
|
|||
|
|
# 将接收到的文件，分块写入
|
|||
|
|
with open(file_path, 'wb') as f:
|
|||
|
|
for chunk in image_object.chunks():
|
|||
|
|
f.write(chunk)
|
|||
|
|
|
|||
|
|
# 保存数据到数据库 name,age,img对应表字段，值是从form.cleaned_data获取到的
|
|||
|
|
# 因为form.cleaned_data里面最初保存的是一个文件对象，所以把他替换为文件路径
|
|||
|
|
models.Boss.objects.create(
|
|||
|
|
name=form.cleaned_data['name'],
|
|||
|
|
age=form.cleaned_data['age'],
|
|||
|
|
img=file_path, # 图片地址保存的是static目录下
|
|||
|
|
)
|
|||
|
|
|
|||
|
|
return HttpResponse('上传成功')
|
|||
|
|
|
|||
|
|
return render(request, 'upload_form.html', {'form': form, 'title': title})
|
|||
|
|
|
|||
|
|
|
|||
|
|
class UploadModelForm(BootstrapModelForm):
|
|||
|
|
exclude_filed = ['img'] # 过滤字段不让引用Bootstrap样式
|
|||
|
|
class Meta:
|
|||
|
|
model = models.City
|
|||
|
|
fields = '__all__'
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
def upload_modelform(request):
|
|||
|
|
""" 上传文件 """
|
|||
|
|
if request.method == 'GET':
|
|||
|
|
form = UploadModelForm()
|
|||
|
|
return render(request, 'upload_form.html', {'form': form,'title':'ModelForm上传文件'})
|
|||
|
|
|
|||
|
|
form = UploadModelForm(data=request.POST, files=request.FILES)
|
|||
|
|
if form.is_valid():
|
|||
|
|
# 对于文件会自动保存
|
|||
|
|
# 路径是在models中定义的路径
|
|||
|
|
# 字段中保存的是路径字符串
|
|||
|
|
form.save()
|
|||
|
|
return HttpResponse('上传成功')
|
|||
|
|
|
|||
|
|
return render(request, 'upload_form.html', {'form': form, 'title': 'ModelForm上传文件'})
|