def login(req):
email = req.get_form_var("email", '').rstrip()
if req.get_method() == 'POST':
password = req.get_form_var("password", '')
error = None
if not is_validate_email(email):
error = "请输入合法的邮箱"
if not password:
error = "请输入密码"
elif len(password) < 4 or not password.isalnum():
error = "密码请用长于4位的字母数字组合"
if not error:
u = User.get_by_email(email)
if req.get_form_var("login", None):
if not u:
error = "该邮箱还未注册"
else:
u = User.login(email, password)
if u:
set_session(req, u)
return req.redirect("/")
else:
error = "邮箱和密码不匹配"
elif req.get_form_var("register", None):
if u:
error = "该邮箱已经注册，请直接登录"
else:
u = User.register(email, password)
if u:
set_session(req, u)
return req.redirect("/")
else:
error = "注册失败..."
return st("/login.html", **locals())
