Django实现文件的上传
Posted 许二
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需求：自己写一个文件上传功能
代码：
urls.py
from django.conf.urls import url
from django.contrib import admin
from app01 import views
urlpatterns = [
url(r\'^admin/\', admin.site.urls),
url(r\'^upload.html$\', views.upload),
]
views.py
from django.shortcuts import render
from django.shortcuts import redirect
from django.shortcuts import HttpResponse
from app01 import models
import os
#实现文件上传功能
def upload(request):
if request.method == \'GET\':
return render(request,\'upload.html\')
elif request.method == \'POST\':
obj = request.FILES.get(\'fafafa\')
f = open(os.path.join(\'upload\',obj.name),\'wb\')
for line in obj.chunks():
f.write(line)
f.close()
return HttpResponse(\'上传成功\')
upload.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="/upload.html" method="POST" enctype="multipart/form-data">
{% csrf_token %}
<input type="file" name="fafafa" />
<input type="submit" value="上传" />
</form>
</body>
</html>
运行结果：
文件上传：
-普通上传
-自定义页面上传按钮
-基于Form做上传
-Ajax上传文件（后补)
升级版
settings.py
STATIC_URL = \'/static/\'
STATICFILES_DIRS = (
os.path.join(BASE_DIR,\'static\'),
)
urls.py
from django.conf.urls import url
from django.contrib import admin
from app01 import views
urlpatterns = [
url(r\'^admin/\', admin.site.urls),
url(r\'^upload.html$\', views.upload),
]
views.py
from django.shortcuts import render
from django.shortcuts import HttpResponse
from django.forms import fields
from django import forms
class UploadForm(forms.Form):
user = fields.CharField()
img = fields.FileField()
def upload(request):
if request.method == \'GET\':
return render(request,\'upload.html\')
else:
# obj = UploadForm(request.POST,request.FILES)
# if obj.is_valid():
# user = obj.cleaned_data[\'user\']
# img = obj.cleaned_data[\'img\']
user = request.POST.get(\'user\')
img = request.FILES.get(\'img\')
# img是对象（文件大小，文件名称,文件内容。。。）
print(img.name)
print(img.size)
f = open(img.name,\'wb\')
for line in img.chunks():
f.write(line)
f.close()
return HttpResponse(\'...\')
upload.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="/upload.html" method="POST" enctype="multipart/form-data">
{% csrf_token %}
<input type="text" name="user" />
<div style="position: relative">
<a>NB上传</a>
<input type="file" name="img" style="opacity: 0;position:absolute;top:0;left: 0;" />
</div>
<input type="submit" value="提交" />
</form>
</body>
</html>
运行效果：
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