def change_password(request):
# 检查用户是否登录
util = Util()
username = util.check_user(request)
if username == '':
uf = LoginForm()
return render(request, 'index.html', {'uf': uf, 'error': '请登录后再进入'})
else:
count = util.count_cookies(request) # 当前购物车中的商品数量
uf = ChangePasswordForm()
user_list = get_object_or_404(User, username=username) # 获取登录的用户信息
if request.method=='POST':
uf = ChangePasswordForm(request.POST)
if uf.is_valid():
oldpassword = util.md5(request.POST.get('oldpassword','')) # 获取旧密码
newpassword = util.md5(request.POST.get('newpassword','') ) # 获取新密码
checkpassword = util.md5(request.POST.get('checkpassword','')) # 获取确认密码
if oldpassword != user_list.password:
return render(request, 'change_password.html', {'uf':uf,'user':username, 'error':'旧密码不正确',
'count':count})
elif newpassword == oldpassword:
return render(request, 'change_password.html', {'uf':uf,'user':username, 'error':'新密码不能与旧密码相同',
'count':count})
elif newpassword != checkpassword:
return render(request, 'change_password.html', {'uf':uf,'user':username, 'error':'确认密码与新密码不匹配',
'count':count})
else:
User.objects.filter(username=username).update(password=newpassword)
return render(request, 'change_password.html',{'uf':uf,'user':username, 'error':'密码修改成功',
'count':count})
else:
return render(request, 'change_password.html', {'uf':uf,'user':username, 'count':count})
def change_password(request):
util = Util()
username = util.check_user(request)
if username == "":
uf = LoginForm()
return render(request, "index.html", {'uf': uf, "error": "请登录后再进入"})
else:
count = util.cookies_count(request)
#获得当前登录用户的用户信息
user_info = get_object_or_404(User, username=username)
#如果是提交表单，获取表单信息，并且进行表单信息验证
if request.method == "POST":
#获取旧密码
oldpassword = util.md5((request.POST.get("oldpassword",
"")).strip())
#获取新密码
newpassword = util.md5((request.POST.get("newpassword",
"")).strip())
#获取新密码的确认密码
checkpassword = util.md5((request.POST.get("checkpassword",
"")).strip())
#如果旧密码不正确，报错误信息，不允许修改
if oldpassword != user_info.password:
return render(request, "change_password.html", {
"user": username,
"error": "旧密码不正确",
"count": count
})
#如果新密码与旧密码相同，报错误信息，不允许修改
elif newpassword == oldpassword:
return render(request, "change_password.html", {
"user": username,
"error": "新密码不能与旧密码相同",
"count": count
})
#如果新密码与新密码的确认密码不匹配，报错误信息，不允许修改
elif newpassword != checkpassword:
return render(request, "change_password.html", {
"user": username,
"error": "确认密码与新密码不匹配",
"count": count
})
else:
#否则修改成功
User.objects.filter(username=username).update(
password=newpassword)
return render(request, "change_password.html", {
"user": username,
"error": "密码修改成功",
"count": count
})
#如果不是提交表单，显示修改密码页面
else:
return render(request, "change_password.html", {
"user": username,
"count": count
})
def register(request):
util = Util()
if request.method == "POST": #判断表单是否提交状态
uf = UserForm(request.POST) #获得表单变量
if uf.is_valid(): #判断表单数据是否正确
#获取表单信息
username = (request.POST.get('username')).strip() #获取用户名信息
password = (request.POST.get('password')).strip() #获取密码信息
#加密password
password = util.md5(password)
#判断密码长度是否做过50
email = (request.POST.get('email')).strip() #获取Email信息
#查找数据库中是否存在相同用户名
user_list = User.objects.filter(username=username)
if user_list:
#如果存在，报"用户名已经存在！"错误信息并且回到注册页面
uf = UserForm()
return render(request, 'register.html', {
'uf': uf,
"error": "用户名已经存在！"
})
else:
#否则将表单写入数据库
user = User()
user.username = username
user.password = password
user.email = email
user.save()
#返回登录页面
uf = LoginForm()
return render(request, 'index.html', {'uf': uf})
else: #如果不是表单提交状态，显示表单信息
uf = UserForm()
return render(request, 'register.html', {'uf': uf})
def login_action(request):
util = Util()
if request.method == "POST":
uf = LoginForm(request.POST)
if uf.is_valid():
# 寻找名为 "username"和"password"的POST参数，而且如果参数没有提交，返回一个空的字符串。
username = (request.POST.get('username')).strip()
password = (request.POST.get('password')).strip()
#加密password
password = util.md5(password)
# 判断输入数据是否为空
if username == '' or password == '':
return render(request, "index.html", {
'uf': uf,
"error": "用户名和密码不能为空"
})
else:
# 判断用户名和密码是否准确
user = User.objects.filter(username=username,
password=password)
if user:
response = HttpResponseRedirect(
'/goods_view/') # 登录成功跳转查看商品信息
request.session['username'] = username # 将session 信息写到服务器
return response
else:
return render(request, "index.html", {
'uf': uf,
"error": "用户名或者密码错误"
})
else:
uf = LoginForm()
return render(request, 'index.html', {'uf': uf})
def login_action(request):
util = Util()
if request.method=="POST":
uf = LoginForm(request.POST)
if uf.is_valid():
username = request.POST.get('username','')
password = request.POST.get('password','')
password = util.md5(password)
if username=='' or password=='':
render(request, 'index.html', {'uf':uf, 'error':'用户名或者密码不能为空'})
else:
is_usr = User.objects.filter(username=username)
if not is_usr :
return render(request, 'index.html',{'uf':uf, 'error': '用户名不存在，请注册'})
else:
user_info = User.objects.filter(username=username, password=password)
if user_info:
request.session['username'] = username
return redirect('/goods_view/')
# return render(request, 'index.html', {'uf': uf, 'error': '查看购物车'})
else:
return render(request, 'index.html', {'uf': uf, 'error': '用户名或密码错误'})
else:
uf = LoginForm()
return render(request, 'index.html',{'uf':uf})
def register(request):
util = Util()
if request.method=='POST':
uf = UserForm(request.POST)
if uf.is_valid():
# 获取表单信息
username = request.POST.get('username','') # 获取用户名
password = request.POST.get('password','') #获取密码
email = request.POST.get('email','')
password = util.md5(password)
user_list = User.objects.filter(username=username)
if user_list:
# 当前用户存在
return render(request,'register.html', {'uf':uf, 'error':'用户名已存在！'})
else:
User.objects.create(username=username,password=password,email=email)
# 返回登录界面
uf = LoginForm()
return render(request, 'index.html', {'uf': uf, 'error':'用户名已注册！请登录'})
else:
uf = UserForm()
return render(request,'register.html', {'uf':uf})
