view.py 代码

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#coding=utf-8

from django.shortcuts import render

from django.http import HttpResponse,HttpResponseRedirect

from django.template import RequestContext

from django import forms

from .models import User

from .time_machine import TimeMachine

#表单

class UserForm(forms.Form):

username = forms.CharField(label='用户名',max_length=100)

password = forms.CharField(label='密码',widget=forms.PasswordInput())

#注册

def regist(req):

if req.method == 'POST':

uf = UserForm(req.POST)

if uf.is_valid():

#获得表单数据

username = uf.cleaned_data['username']

password = uf.cleaned_data['password']

tm = TimeMachine()

now_date_time = tm.get_now_datetime()

print("*****************************************************************")

print(now_date_time)

print("*****************************************************************")

#添加到数据库

User.objects.create(username= username,password=password,created_date=now_date_time)

return HttpResponse('regist success!!')

else:

#return render_to_response('regist.html',{'uf':uf}, context_instance=RequestContext(req))

uf = UserForm()

return render(req, 'regist.html', {'uf':uf})

#登陆

def login(req):

if req.method == 'POST':

uf = UserForm(req.POST)

if uf.is_valid():

#获取表单用户密码

username = uf.cleaned_data['username']

password = uf.cleaned_data['password']

#获取的表单数据与数据库进行比较

user = User.objects.filter(username__exact = username,password__exact = password)

if user:

#比较成功，跳转index

response = HttpResponseRedirect('/account/index/')

#将username写入浏览器cookie,失效时间为3600

response.set_cookie('username',username,3600)

return response

else:

#比较失败，还在login

return HttpResponseRedirect('/account/login/')

else:

uf = UserForm()

return render(req, 'login.html', {'uf':uf})

#登陆成功

def index(req):

username = req.COOKIES.get('username','')

#return render_to_response('index.html' ,{'username':username})

return render(req, 'index.html', {'username':username})

#退出

def logout(req):

response = HttpResponse('logout !!')

#清理cookie里保存username

response.delete_cookie('username')

return response