def login(request):
"""后台登录页面"""
if request.method == "GET":
login_obj = LoginForm()
return render(request, "login.html", {"login_obj": login_obj})
elif request.method == "POST":
login_obj = LoginForm(request.POST)
if login_obj.is_valid():
code = login_obj.cleaned_data.get("check_code") # 获取用户输入验证码
if request.session.get("CheckCode").upper() == code.upper(): # 用户输入验证码和系统生成验证码匹配
username = login_obj.cleaned_data.get("username") # 获取用户输入用户名
request.session["username"] = username # 在session中设置用户名
request.session.clear_expired() # 将所有Session失效日期小于当前日期的数据删除
remember = login_obj.cleaned_data.get("remember") # 用户是否选中一个月内自动登录
if remember: # 用户选中一个月内自动登录
request.session.set_expiry(2592000) # 设置过期时间为一个月之后
return redirect("/backend/index/") # 注册完毕直接跳转登录页面
else:
login_obj.add_error("check_code", "验证码错误") # 添加验证码错误信息
return render(request, "login.html", {"login_obj": login_obj})
def login():
if current_user.is_authenticated:
return redirect(url_for('index'))
form = LoginForm()
if form.validate_on_submit(): # if GET it False
user = User.query.filter_by(username=form.username.data).first()
if user is None or not user.check_password(form.password.data):
flash('Invalid username or password')
return redirect(url_for('login'))
login_user(user, remember=form.remember_me.data)
next_page = request.args.get('next')
return render_template('login.html', form=form)
def login():
if current_user.is_authenticated:
return redirect(url_for('home'))
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(eth_address=form.eth_address.data).first()
if user and bcrypt.check_password_hash(user.password, form.password.data):
login_user(user, remember=form.remember.data)
next_page = request.args.get('next')
return redirect(next_page) if next_page else redirect(url_for('event_index'))
else:
flash('Login Unsuccessful. Please check email and password', 'danger')
return render_template('login.html', title='Login', form=form)
def login(request):
# When already logged in
if request.user.is_authenticated:
messages.warning(
request,
'用户 {username}, 你已经登陆'.format(username=request.user.username))
return redirect('index')
# Attempt to login
login_form = LoginForm(request.POST.dict() or None)
if request.method == 'POST' and login_form.is_valid():
username = login_form.cleaned_data.get('username')
password = login_form.cleaned_data.get('password')
user = auth.authenticate(username=username, password=password)
if user:
auth.login(request, user)
messages.success(
request,
'欢迎回来, {username}'.format(username=request.user.username))
return redirect('index')
else:
messages.error(request, '账号或密码错误')
return render(request, 'login.html', {'login_form': login_form})
def login():
if current_user.is_authenticated:
return redirect(url_for("home"))
form = LoginForm()
# if the data is valid then flash a success prompt
if form.validate_on_submit():
# get user email
user = User.query.filter_by(email=form.email.data).first()
# User initial page selected before login
next_page = request.args.get("next")
if user and bcrypt.check_password_hash(user.password,
form.password.data):
login_user(user, remember=form.remember.data)
# Redirect user to next page if there is any or just home if none
return redirect(next_page) if next_page else redirect(
url_for('home'))
else:
flash("Login failed. Please check your email and password",
"danger")
return render_template('login.html', title="Login", form=form)