docs: 2026-05-12作业

2026-05-12/2026-05-12_hw_1.py

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+from flask import Flask, render_template
+from flask_wtf import FlaskForm
+from wtforms import StringField, PasswordField, SubmitField
+from wtforms.validators import DataRequired, Length, EqualTo
+
+app = Flask(__name__)
+app.secret_key = '34sdfji9453#$@'
+
+
+class RegisterForm(FlaskForm):
+    username = StringField(label='用户名：',
+                           validators=[DataRequired(message='用户名不能为空'),
+                                       Length(3, 15, message='长度应该为3~15个字符')])
+    password = PasswordField('密码：',
+                             validators=[DataRequired(message='密码不能为空')])
+    password2 = PasswordField('确认密码：',
+                              validators=[DataRequired(message='密码不能为空'),
+                                          EqualTo('password', message='两次密码不一致')])
+    submit = SubmitField('注册')
+
+
+@app.route('/register', methods=['GET', 'POST'])
+def register():
+    form = RegisterForm()
+    return render_template('register_wtf.html', form=form)
+
+
+if __name__ == '__main__':
+    app.run(debug=True)