<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>登录</title>
</head>
<body>
<form method="post">
{{form.csrf_token()}}
{{form.username.label}}{{form.username}}
{{form.password.label}}{{form.password}}
{{form.password2.label}}{{form.password2}}
{{form.submit}}
</form>
</body>
</html>
from flask import Flask, render_template, request, flash
from flask_wtf import FlaskForm
from wtforms import StringField, PasswordField, SubmitField
from wtforms.validators import DataRequired, EqualTo
App = the Flask ( __name__ )
# Flash needs to be encrypted content
app.secret_key = " the Test "
class LoginForm(FlaskForm):
username = StringField(u"用户名:", validators=[DataRequired()])
password = PasswordField(u"密码:", validators=[DataRequired()])
password2 = PasswordField (U " Confirm Password: " , validators = [DataRequired (), EqualTo ( " password " , " password inconsistency " )])
submit = SubmitField("提交")
@app.route("/", methods=["GET", "POST"])
def login():
login_form = the LoginForm ()
# 1. Analyzing Request Mode
IF request.method == " the POST " :
# 2. Get request parameter
username = request.form.get ( " username " )
password = request.form.get("password")
password2 = request.form.get ( " password2 " )
# 3. Verify, to achieve all of the check by the WTF can sentence
IF login_form.validate_on_submit ():
Print (username, password, password2)
return " login success "
the else :
Flash ( " Parameter error " )
return the render_template ( " the login.html " , form = login_form)
# 4. launcher
IF the __name__ == ' __main__ ' :
app.run()
