python flask-wft

这个放在前面你个表单的博客内容

精髓放这

from flask import Flask
from flask import render_template
from flask_wtf import FlaskForm
from wtforms.fields import (StringField, PasswordField, DateField, BooleanField,SelectField, SelectMultipleField, TextAreaField,RadioField, IntegerField, DecimalField, SubmitField)
from wtforms.validators import DataRequired, InputRequired, Length, Email, EqualTo, NumberRangeapp = Flask(__name__)
app.secret_key = 'asdfs'class WtfForm(FlaskForm):# StringField 文本输入框，必填，用户名长度为4到25之间，占位符username = StringField('用户名：', validators=[Length(min=4, max=25)], render_kw={'placeholder': '请输入用户名'})# Email格式email = StringField('邮箱地址：', validators=[Email()], render_kw={'placeholder': '请输入邮箱地址'})# PasswordField，密码输入框，必填password = PasswordField('密码：', validators=[DataRequired()], render_kw={'placeholder': '请输入密码'})# 确认密码，必须和密码一致password2 = PasswordField('确认密码：', validators=[InputRequired(), EqualTo('password', '两次密码要一致')])# IntegerField，文本输入框，必须输入整型数值，范围在16到70之间age = IntegerField('年龄：', validators=[NumberRange(min=16, max=70)])# DecimalField，文本输入框，必须输入数值，显示时保留一位小数height = DecimalField('身高(cm):', places=1)# DateField，文本输入框，必须输入是"年-月-日"格式的日期birthday = DateField('出生日期：', format='%Y-%m-%d')# RadioField，单选框，choices里的内容会在ul标签里，里面每个项是(值，显示名)对gender = RadioField('性别：', choices=[('0', '男'), ('1', '女')], validators=[DataRequired()])# SelectField，下拉单选框，choices里的内容会在Option里，里面每个项是(值，显示名)对job = SelectField('职业：', choices=[('teacher', '教师'),('doctor', '医生'),('engineer', '工程师'),('lawyer', '律师')])# Select类型，多选框，choices里的内容会在Option里，里面每个项是(值，显示名)对hobby = SelectMultipleField('爱好：', choices=[('0', '吃饭'),('1', '睡觉'),('2', '敲代码')])# TextAreaField，段落输入框description = TextAreaField('自我介绍：', validators=[InputRequired()], render_kw={'placeholder': '例：小明，18岁，未婚找女友'})# BooleanField，Checkbox类型，加上default='checked'即默认是选上的accept_terms = BooleanField('是否接受上述条款', default='checked', validators=[DataRequired()])# SubmitField，Submit按钮submit = SubmitField('提交')@app.route('/login', methods=['GET', 'POST'])
def login():form = WtfForm()if request.method == 'POST':# 获取form表单提交过来的值username = form.username.datapwd = form.password.dataprint(username, pwd, sep='====')return render_template('wtf.html', form=form)if __name__ == "__main__":app.run(debug=True)

用的时候备查

需要注意的是如果EMAIL位置的报错那么你需要加载一个库

pip install email_validator

这样基本可以解决。然后是。。。。

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Title</title>
</head>
<body>
<form action="{{ url_for('login') }}" method="post">{{ form.csrf_token }}{{ form.username.label }}{{ form.username }}<br>{{ form.email.label }}{{ form.email }}<br>{{ form.password.label }}{{ form.password }}<br>{{ form.password2.label }}{{ form.password2 }}<br>{{ form.age.label }}{{ form.age }}<br>{{ form.height.label }}{{ form.height }}<br>{{ form.birthday.label }}{{ form.birthday }}<hr>{{ form.gender.label }}{{ form.gender }}<br>{{ form.job.label }}{{ form.job }}<br>{{ form.hobby.label }}{{ form.hobby }}<br>{{ form.description.label }}{{ form.description }}<br>{{ form.accept_terms.label }}{{ form.accept_terms }}<br>{{ form.submit }}<br></form>
</body>
</html>