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