Django里面,通过Html页面提交的数据,可以通过在View里面定义的函数通过request参数获取。简单的说,主要可以分出3种情况。
HTML页面传递来的单个数据, 比如radiobox或者text 可以通过request.POST.get获取
HTML页面传递来多个数据,比如checkbox或者option, 可以通过request.POST.getlist获取
HTML页面上传了一个文件,html端需要表明enctype,表示这是一个文件而不是字符串;后台需要通过request.FILES.get获取这个文件的地址,然后通过chunk分块写入指定的地址
现在来看看实例:
HTML页面
upload.html
<!DOCTYPE html><html lang="en"><head>
<meta charset="UTF-8">
<title>Title</title></head><body>
<form action="/upload/" method="POST" enctype="multipart/form-data">
<p>
<input type="text" name="user" placeholder="用户名" />
</p>
<p>
<input type="password" name="pwd" placeholder="密码" />
</p>
<p>
性别:
男<input type="radio" name="gender" value="1"/>
女<input type="radio" name="gender" value="2"/>
中<input type="radio" name="gender" value="3"/>
</p>
<p>
爱好:
音乐<input type="checkbox" name="favor" value="11"/>
武术<input type="checkbox" name="favor" value="22"/>
电玩<input type="checkbox" name="favor" value="33"/>
</p>
<p>
<select name="city" multiple>
<option value="sh">上海</option>
<option value="bj">北京</option>
<option value="tj">天津</option>
</select>
</p>
<p>
<input type="file" name="fafafa" enctype="multpart/form-data"/>
</p>
<input type="submit" value="提交"/>
</form></body></html>
视图函数
view.py
def upload(request):
if request.method == "GET":
return render(request, 'upload.html')
elif request.method == "POST":
v=request.POST.get('user')
print(v)
# radio
v = request.POST.get('gender')
print(v)
v = request.POST.getlist('favor')
print(v)
v = request.POST.getlist('city')
print(v)
obj = request.FILES.get('fafafa')
print(obj, type(obj), obj.name)
import os
file_path = os.path.join('upload', obj.name)
print(file_path)
f = open(file_path, mode="wb")
for i in obj.chunks():
f.write(i)
f.close()
from django.core.files.uploadedfile import InMemoryUploadedFile return render(request, 'upload.html')
else:
# PUT,DELETE,HEAD,OPTION...
return redirect('/upload/')
界面
输入下面的值进行提交
成功获取结果
System check identified no issues (0 silenced).July 06, 2017 - 15:25:56Django version 1.11, using settings 'Django.settings'Starting development server at http://127.0.0.1:8000/Quit the server with CTRL-BREAK.阿拉丁2['22', '33']['bj', 'tj']statements.pdf <class 'django.core.files.uploadedfile.InMemoryUploadedFile'> statements.pdf
upload\statements.pdf[06/Jul/2017 15:26:10] "POST /upload/ HTTP/1.1" 200 1267
确认成功上传文件
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