models.py

from exts import db
from datetime import datetime

# 验证码
class EmailCaptchaModel(db.Model):
    __tablename__ = "email_captcha"
    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    email = db.Column(db.String(100), nullable=False, unique=True)
    captcha = db.Column(db.String(10), nullable=False)
    create_time = db.Column(db.DateTime, default=datetime.now)

# 用户
class UserModel(db.Model):
    __tablename__ = "user"
    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    username = db.Column(db.String(200), nullable=False, unique=True)
    password = db.Column(db.String(200), nullable=False)
    email = db.Column(db.String(100), nullable=False, unique=True)
    join_time = db.Column(db.DateTime, default=datetime.now)

# 问答
class QuestionModel(db.Model):
    __tablename__ = "question"
    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    title = db.Column(db.String(200), nullable=False)
    content = db.Column(db.Text, nullable=False)
    create_time = db.Column(db.DateTime, default=datetime.now)
    author_id = db.Column(db.Integer,db.ForeignKey("user.id"))
    author = db.relationship("UserModel", backref="questions")

# 评论
class AnswerModel(db.Model):
    __tablename__ = "answser"
    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    content = db.Column(db.Text, nullable=False)
    create_time = db.Column(db.DateTime, default=datetime.now)
    question_id = db.Column(db.Integer,db.ForeignKey("question.id"))
    author_id = db.Column(db.Integer,db.ForeignKey("user.id"))

    question = db.relationship("QuestionModel", backref=db.backref("answers", order_by=create_time.desc()))
    author = db.relationship("UserModel", backref="answers")