class LoginForm(Form):
#不同的字段 内部包含正则表达式 html5.EmailField | html5.DateTimeField...
name=StringField(
label='用户名',
validators=[ #验证规则和错误提示信息
validators.DataRequired(message='用户名不能为空.'),
validators.Length(min=6, max=18, message='用户名长度必须大于%(min)d且小于%(max)d')
],
widget=widgets.TextInput(), #前端页面显示的插件.TextArea
render_kw={'class': 'models-control'} #设置form标签的class信息
)
# 不同的字段 内部包含正则表达式 html5.EmailField | html5.DateTimeField...
pwd = PasswordField(
label='密码',
validators=[
validators.DataRequired(message='密码不能为空.'),
validators.Length(min=8, message='用户名长度必须大于%(min)d'),
#自定义验证规则
validators.Regexp(regex="^(?=.*[a-z])(?=.*\d)[a-z\d]{8,}",
message='密码至少8个字符，1个小写字母，1个数字')
],
widget=widgets.PasswordInput(),
render_kw={'class': 'models-control'}
)
class TagListField(Field):
widget = widgets.TextInput()
choices = []
def process_formdata(self, valuelist):
if valuelist:
self.data = valuelist
else:
self.data = []
def _value(self):
print("_VALUE")
return self.data if self.data is not None else []
def __call__(self, **kwargs):
options = []
self.process_formdata(self.data)
for choice in self.choices:
if choice in self.data:
options.append(
'<option selected="selected">{}</option>'.format(choice))
else:
options.append('<option>{}</option>'.format(choice))
options = ''.join(options)
field = '<select class="form-control js-example-tags" multiple="multiple" id="{}" name="{}">{}</select>'.format(
self.name, self.name, options)
return HTMLString(field)
class MyForm(FlaskForm):
Username = fields.StringField(
label='用户名1',
validators=[
validators.DataRequired(message='用户名不能为空'),
validators.length(min=6, max=11, message='用户名长度必须大于%(min)d且小于%(max)d')
],
widget=widgets.TextInput(),
render_kw={
'class': 'form-control',
'placeholder': '请输入用户名1',
'required': '',
'autofocus': ''
}
)
Password = fields.PasswordField(
label='密码',
validators=[
validators.DataRequired(message='密码不能为空'),
validators.length(min=6, message='密码必须大于%(min)d位')
],
widget=widgets.PasswordInput(),
render_kw={
'class': 'form-control',
'placeholder': '请输入密码',
'required': '',
'autofocus': ''
}
)
class FloatField(Field):
"""
A text field, except all input is coerced to an float. Erroneous input
is ignored and will not be accepted as a value.
"""
widget = widgets.TextInput()
def __init__(self, label=None, validators=None, **kwargs):
super(FloatField, self).__init__(label, validators, **kwargs)
def _value(self):
if self.raw_data:
return self.raw_data[0]
elif self.data is not None:
return text_type(self.data)
else:
return ""
def process_formdata(self, valuelist):
if valuelist:
try:
self.data = float(valuelist[0])
except ValueError:
self.data = None
raise ValueError(self.gettext("Not a valid float value"))
class LoginFrom(FlaskForm):
"""用户登录表单"""
account = StringField(label='用户名',
validators=[
validators.DataRequired("请输入用户名！."),
validators.DataRequired(message='用户名不能为空.'),
validators.Length(min=4,
message='用户名长度必须大于%(min)')
],
widget=widgets.TextInput(),
render_kw={
'class': 'loginusername',
"placeholder": "请输入用户名！"
})
pwd = PasswordField(label='密码',
validators=[
validators.DataRequired("请输入密码！."),
validators.DataRequired(message='密码不能为空.'),
],
widget=widgets.PasswordInput(),
render_kw={
'class': 'loginuserpassword',
"placeholder": "请输入密码！"
})
submit = SubmitField(label='登录', render_kw={"class": "loginbtn"})
def validate_account(self, field):
name = field.data
user = User.query.filter_by(name=name).count()
if user == 0:
raise validators.ValidationError("用户名错误！")
class RegisterForm(BaseForm):
username = StringField(
label='用户名',
validators=[
DataRequired(),
validators.Length(2, 15, message='昵称至少需要两个字符，最多15个字符')
],
widget=widgets.TextInput(),
render_kw={'class': 'form-control'},
default='root'
)
password = simple.PasswordField(
label='密码',
validators=[
validators.DataRequired(message='密码不能为空.')
],
widget=widgets.PasswordInput(),
render_kw={'class': 'form-control'}
)
pwd_confirm = simple.PasswordField(
label='重复密码',
validators=[
validators.DataRequired(message='重复密码不能为空.'),
validators.EqualTo('password', message="两次密码输入不一致")
],
widget=widgets.PasswordInput(),
render_kw={'class': 'form-control'}
)
def validate_username(self, field):
if User.query.filter_by(username=field.data).first():
raise validators.ValidationError('用户名已存在')
class LoginForm(BaseForm):
username = StringField(
label='用户名',
validators=[
DataRequired(),
validators.Length(2, 15, message='昵称至少需要两个字符，最多15个字符')
],
widget=widgets.TextInput(),
render_kw={'class': 'form-control'},
default='root'
)
password = simple.PasswordField(
label='密码',
validators=[
validators.DataRequired(message='密码不能为空.')
],
widget=widgets.PasswordInput(),
render_kw={'class': 'form-control'}
)
def validate_username(self, field):
user = User.query.filter_by(username=field.data).first()
if not user:
raise validators.ValidationError('用户名不存在')
elif not user.is_active:
raise validators.ValidationError("用户账户未启用")
class CustomTimeField(fields.Field):
widget = widgets.TextInput()
def __init__(self,
label=None,
validators=None,
format='%H:%M:%S',
**kwargs):
super(CustomTimeField, self).__init__(label, validators, **kwargs)
self.format = format
def _value(self):
if self.raw_data:
return u' '.join(self.raw_data)
else:
return self.data and self.data.strftime(self.format) or u''
def process_formdata(self, valuelist):
if valuelist:
date_str = u' '.join(valuelist)
try:
self.data = datetime.datetime.strptime(date_str,
self.format).time()
except ValueError:
try:
self.data = datetime.datetime.strptime(date_str,
'%H:%M').time()
except ValueError:
self.data = None
raise ValueError(self.gettext(u'Not a valid time value'))
class LoginForm(Form):
'''Form'''
name = simple.StringField(
label="Username",
widget=widgets.TextInput(),
validators=[
validators.DataRequired(message="username cannot be empty"),
validators.Length(
max=20,
min=5,
message="The length of username should between 5 and 20")
],
render_kw={"class": "form-control"})
pwd = simple.PasswordField(
label="password",
validators=[
validators.DataRequired(message="password cannot be empty"),
validators.Length(
max=30,
min=5,
message="The length of password should between 5 and 30"),
],
widget=widgets.PasswordInput(),
render_kw={"class": "form-control"})
class F(Form):
a = SelectField(choices=[("a", "hello"), ("btest", "bye")], default="a")
b = SelectField(
choices=[(1, "Item 1"), (2, "Item 2")],
coerce=int,
option_widget=widgets.TextInput(),
)
class LoginForm(Form):
# 字段（内部包含正则表达式）
name = simple.StringField(
label='用户名',
validators=[
# 内部校验器
validators.DataRequired(message='用户名不能为空.'),
validators.Length(min=2,
max=18,
message='用户名长度必须大于%(min)d且小于%(max)d')
],
# 页面的显示插件
widget=widgets.TextInput(),
# 给插件添加的属性
# render_kw={'class': 'form-control'}
)
# pwd = html5.EmailField() # 可以使用html5的验证方式
pwd = simple.PasswordField(
label='密码',
validators=[
validators.DataRequired(message='密码不能为空.'),
validators.Length(min=2, message='用户名长度必须大于%(min)d'),
],
widget=widgets.PasswordInput(),
# render_kw={'class': 'form-control'}
)
class TagListField(Field):
widget = widgets.TextInput()
def __init__(self,
label='',
validators=None,
remove_duplicates=True,
**kwargs):
super().__init__(label, validators, **kwargs)
self.remove_duplicates = remove_duplicates
def process_formdata(self, valuelist):
if valuelist:
self.data = [x.strip() for x in valuelist[0].split(',')]
else:
self.data = []
if self.remove_duplicates:
self.data = list(self._remove_duplicates(self.data))
def _value(self):
if self.data:
return ', '.join(self.data)
else:
return ''
@classmethod
def _remove_duplicates(cls, seq):
"""Remove duplicates in a case insensitive, but case preserving manner"""
d = {}
for item in seq:
if item.lower() not in d:
d[item.lower()] = True
yield item
class DateTimeField(Field):
"""
A text field which stores a `datetime.datetime` matching a format.
"""
widget = widgets.TextInput()
def __init__(self,
label=None,
validators=None,
format="%Y-%m-%d %H:%M:%S",
**kwargs):
super(DateTimeField, self).__init__(label, validators, **kwargs)
self.format = format
def _value(self):
if self.raw_data:
return " ".join(self.raw_data)
else:
return self.data and self.data.strftime(self.format) or ""
def process_formdata(self, valuelist):
if valuelist:
date_str = " ".join(valuelist)
try:
self.data = datetime.datetime.strptime(date_str, self.format)
except ValueError:
self.data = None
raise ValueError(self.gettext("Not a valid datetime value"))
class LoginForm(Form):
name = fields.StringField(
label="用户名",
validators=[
validators.DataRequired(message="用户名不能为空"),
validators.Length(min=3,
max=32,
message="用户名长度必须大于%(min)d且小于%(max)d"),
],
widget=widgets.TextInput(),
render_kw={'class': 'form-control'},
)
pwd = fields.PasswordField(
label="密码",
validators=[
validators.DataRequired(message="密码不能为空"),
validators.Length(min=8,
max=32,
message='密码长度必须大于%(min)d且小于%(max)d'),
# validators.Regexp(regex="^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[$@$!%*?&])[A-Za-z\d$@$!%*?&]{8,}",
# message='密码至少8个字符，至少1个大写字母，1个小写字母，1个数字和1个特殊字符'),
],
widget=widgets.PasswordInput(),
render_kw={'class': 'form-control'},
)
class RegisterForm(FlaskForm):
username = simple.StringField(label="请输入用户名：",
validators=[
validators.DataRequired(message="用户名不能为空"),
validators.Length(min=6, max=18, message='用户名长度必须大于%(min)d,且小于%(max)d')
],
widget=widgets.TextInput(),render_kw={"class":"form-control"}
)
password = simple.StringField(label="请输入密码：",
validators=[
validators.DataRequired(message="密码不能为空"),
validators.Length(min=8,message="密码至少%(min)d位"),
validators.Regexp(regex="^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)"
"[A-Za-z\d~!@#$%^&*()_+]{8,}",
message="密码至少包含1个小写和大写字母以及1个数字")
],
widget=widgets.PasswordInput(),render_kw={"class":"form-control"})
# 确认密码
password2 = simple.StringField(label="请确认密码：",
validators=[
validators.DataRequired(message="请确认您的密码"),
EqualTo("password",message="两次密码输入不一致")
],
widget=widgets.PasswordInput(),render_kw={"class":"form-control",
"placeholder":"确认密码"}
)
class IntegerField(Field):
"""
A text field, except all input is coerced to an integer. Erroneous input
is ignored and will not be accepted as a value.
"""
widget = widgets.TextInput()
def __init__(self, label=None, validators=None, **kwargs):
super(IntegerField, self).__init__(label, validators, **kwargs)
def _value(self):
if self.raw_data:
return self.raw_data[0]
elif self.data is not None:
return text_type(self.data)
else:
return ''
def process_data(self, value):
if value is not None and value is not unset_value:
try:
self.data = int(value)
except (ValueError, TypeError):
self.data = None
raise ValueError(self.gettext("Not a valid integer value"))
else:
self.data = None
def process_formdata(self, valuelist):
if valuelist:
try:
self.data = int(valuelist[0])
except ValueError:
self.data = None
raise ValueError(self.gettext('Not a valid integer value'))
class LoginFrom(FlaskForm):
"""管理员登录表单"""
account = StringField(label='用户名',
validators=[
validators.DataRequired("请输入用户名！."),
validators.DataRequired(message='用户名不能为空.'),
],
widget=widgets.TextInput(),
render_kw={
'class': 'form-control',
"placeholder": "请输入用户名！"
})
pwd = PasswordField(label='密码',
validators=[
validators.DataRequired("请输入密码！."),
validators.DataRequired(message='密码不能为空.'),
],
widget=widgets.PasswordInput(),
render_kw={
'class': 'form-control',
"placeholder": "请输入密码！"
})
submit = SubmitField(label='登录', render_kw={"class": "logC"})
def validate_account(self, field):
account = field.data
admin = Admin.query.filter_by(name=account).count()
if admin == 0:
raise ValidationError("帐号不存在！")
class DateTimeField(Field):
"""
A text field which stores a `datetime.datetime` matching a format.
"""
widget = widgets.TextInput()
def __init__(self,
label=u'',
validators=None,
format='%Y-%m-%d %H:%M:%S',
**kwargs):
super(DateTimeField, self).__init__(label, validators, **kwargs)
self.format = format
def _value(self):
if self.raw_data:
return u' '.join(self.raw_data)
else:
return self.data and self.data.strftime(self.format) or u''
def process_formdata(self, valuelist):
if valuelist:
date_str = u' '.join(valuelist)
try:
timetuple = time.strptime(date_str, self.format)
self.data = datetime.datetime(*timetuple[:6])
except ValueError:
self.data = None
raise
class LoginForm(Form):
# 字段（内部包含正则表达式）
name = simple.StringField(
label='用户名',
validators=[
validators.DataRequired(message='用户名不能为空.'),
validators.Length(min=6,
max=18,
message='用户名长度必须大于%(min)d且小于%(max)d')
],
widget=widgets.TextInput(), # 页面上显示的插件
render_kw={'class': 'form-control'})
# 字段（内部包含正则表达式）
pwd = simple.PasswordField(
label='密码',
validators=[
validators.DataRequired(message='密码不能为空.'),
validators.Length(min=8, message='用户名长度必须大于%(min)d'),
validators.Regexp(
regex=
"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[$@$!%*?&])[A-Za-z\d$@$!%*?&]{8,}",
message='密码至少8个字符，至少1个大写字母，1个小写字母，1个数字和1个特殊字符')
],
widget=widgets.PasswordInput(),
render_kw={'class': 'form-control'})
class IntegerListField(Field):
""" Custom field to support sending in multiple integers separated by commas and returning the content as a list """
widget = widgets.TextInput()
def __init__(self, label='', validators=None, **kwargs):
super(IntegerListField, self).__init__(label, validators, **kwargs)
def _value(self):
if self.data:
string_data = [str(y) for y in self.data]
return u','.join(string_data)
else:
return u''
def process_formdata(self, valuelist):
if valuelist:
self.data = [int(x.strip()) for x in valuelist[0].split(',')]
else:
self.data = []
def process_data(self, valuelist):
if valuelist:
self.data = [int(x.strip()) for x in valuelist[0].split(',')]
else:
self.data = []
class LoginForm(Form):
user = simple.StringField(label='用户名',
validators=[
validators.DataRequired(message='用户名不能为空.'),
validators.Length(
min=2,
max=18,
message='用户名长度必须大于%(min)d且小于%(max)d')
],
widget=widgets.TextInput(),
render_kw={
'class': 'form-control',
'placeholder': '用户名'
})
pwd = simple.PasswordField(
label='密码',
validators=[
validators.DataRequired(message='密码不能为空.'),
validators.Length(min=2, message='用户密码长度必须大于%(min)d'),
# validators.Regexp(regex="^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[$@$!%*?&])[A-Za-z\d$@$!%*?&]{8,}",
# message='密码至少8个字符，至少1个大写字母，1个小写字母，1个数字和1个特殊字符')
],
widget=widgets.PasswordInput(),
render_kw={
'class': 'form-control',
'placeholder': '密码'
})
class LoginForm(Form):
'''Form'''
name = simple.StringField(
label="用户名",
widget=widgets.TextInput(),
validators=[
validators.DataRequired(message="用户名不能为空"),
validators.Length(max=8,
min=3,
message="用户名长度必须大于%(max)d且小于%(min)d")
],
render_kw={"class": "form-control"} # 设置属性生成的html属性
)
pwd = simple.PasswordField(label="密码",
validators=[
validators.DataRequired(message="密码不能为空"),
validators.Length(
max=18,
min=4,
message="密码长度必须大于%(max)d且小于%(min)d"),
validators.Regexp(regex="\d+",
message="密码必须是数字"),
],
widget=widgets.PasswordInput(),
render_kw={"class": "form-control"})
class RegisterForm(Form):
phone = simple.StringField(validators=[
validators.DataRequired(message="手机号不能为空"),
validators.Length(max=11, min=7, message="手机号长度不对请输入正确的手机号")
],
widget=widgets.TextInput())
username = simple.StringField(validators=[
validators.DataRequired(message="用户名不能为空"),
validators.Length(max=20, message="用户名长度不能超过20")
],
widget=widgets.TextInput())
password = simple.PasswordField(validators=[
validators.DataRequired(message="密码不能为空"),
validators.Length(max=16, min=6, message="密码长度应在6~16之间")
],
widget=widgets.PasswordInput())
class RegistrationForm(FlaskForm):
username = StringField(
label =u'用户名',
validators = [
validators.DataRequired(message='用户名不能为空'),
validators.length(min=4, max=16, message='用户名长度必须大于%(min)d且小于%(max)d')]
)
nickname = StringField(
label =u'昵称',
validators = [
validators.DataRequired(message='昵称不能为空'),
validators.length(min=4, max=32, message='昵称长度必须大于%(min)d且小于%(max)d')]
)
email = StringField(label='电子邮箱',
validators=[
validators.DataRequired(message='邮箱不能为空.'),
validators.Email(message='邮箱格式错误')
],
widget=widgets.TextInput(input_type='email'),
render_kw={'class': 'form-control'}
)
password = PasswordField(
label=u'密码',
validators=[
validators.DataRequired(message=u'密码不能为空'),
validators.length(min=6, message=u'密码必须大于%(min)d位')
],
widget=widgets.PasswordInput())
password2 = PasswordField(
label=u'重复密码',
validators=[
validators.DataRequired(message=u'重复密码不能为空.'),
validators.EqualTo('password',message=u'两次密码不一致')
]
)
gender = fields.RadioField(
label=u'性别',
choices=(
(1,u'男'),
(0,u'女'),
),
coerce=int, #限制是int类型的
render_kw={'class': 'form-control'}
)
submit = SubmitField(u'注册')
def validate_username(self, username):
user = User.query.filter_by(username=username.data).first()
if user is not None:
raise ValidationError('该用户名已经被注册！')
def validate_email(self, email):
user = User.query.filter_by(email=email.data).first()
if user is not None:
raise ValidationError('该邮箱已经被注册.')
class UpdateInfoForm(Form):
username = simple.StringField(
label='用户名',
validators=[
validators.DataRequired(message='用户名不能为空'),
validators.Length(min=3,
max=18,
message='用户名长度必须大于%(min)d, 并且小于%(max)d'),
],
widget=widgets.TextInput(),
render_kw={'class': 'form-control'})
age = simple.StringField(label='用户年龄',
widget=widgets.TextInput(),
render_kw={'class': 'form-control'})
hometown = simple.StringField(label='用户居住城市',
widget=widgets.TextInput(),
render_kw={'class': 'form-control'})
class SearchForm(Form):
content = simple.StringField(
label="",
widget=widgets.TextInput(),
validators=[
validators.DataRequired(message="请输入搜索内容")],
render_kw={"class": "form-control"} # 设置属性生成的html属性
)
class RoomCreateForm(Form):
roomname = simple.StringField(
validators=[
validators.DataRequired(message='房間名不能为空.'),
validators.Length(min=2, message='房間名长度必须大于%(min)d'),
],
widget=widgets.TextInput(),
)
class LoginForm(Form):
name = simple.StringField(label='用户名',
validators=[
validators.DataRequired(message='用户名不能为空.'),
validators.Length(
min=1,
max=18,
message='用户名长度必须大于%(min)d且小于%(max)d')
],
widget=widgets.TextInput(),
render_kw={
'class': 'form-control',
'placeholder': "用户名"
})
pwd = simple.PasswordField(
label='密码',
validators=[
validators.DataRequired(message='密码不能为空.'),
validators.Length(min=1, message='密码长度必须大于%(min)d'),
# validators.Regexp(regex="^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[$@$!%*?&])[A-Za-z\d$@$!%*?&]{8,}",
# message='密码至少8个字符，至少1个大写字母，1个小写字母，1个数字和1个特殊字符')
],
widget=widgets.TextInput(),
render_kw={
'class': 'form-control',
'placeholder': '密码'
})
# @app.route('/login', methods=['GET', 'POST'])
# def login():
# if request.method == 'GET':
# form = LoginForm()
# return render_template('login.html', form=form)
# else:
# form = LoginForm(formdata=request.form)
# if form.validate():
# print('用户提交数据通过格式验证，提交的值为：', form.data)
# else:
# print(form.errors)
# return render_template('login.html', form=form)
# if __name__ == '__main__':
# l = LoginForm()
# app.run()
class NewForm(Form):
employeeId = StringField(label=u'员工编号',
validators=[
validators.DataRequired(message=u'员工编号不能为空'),
validators.regexp('\d{6}',
message=u'必须为6位数字'),
validators.Length(min=6,
max=6,
message=u'员工编号长度必须为%(min)d')
],
widget=widgets.TextInput(),
render_kw={'class': 'form-control'})
temperature = FloatField(
label=u'体温',
validators=[validators.DataRequired(message=u'体温格式不正确')],
widget=widgets.TextInput(),
render_kw={'class': 'form-control'})
new = SubmitField(render_kw='btn btn-success')
class NodesInfo(Form):
host = simple.StringField(
label='地址',
validators=[
validators.DataRequired()
],
widget=widgets.TextInput(),
render_kw={'class': 'form-control', 'placeholder': '例如：192.168.0.1', 'style': 'width: 250px'}
)
port = simple.StringField(
label='端口',
validators=[
validators.DataRequired()
],
widget=widgets.TextInput(),
render_kw={'class': 'form-control', 'placeholder': '例如：5000', 'style': 'width: 250px'}
)
