int pageIndex,int pageSize,String fields,String filter,String group){ //表名称和主键名称不能为空 if(tableName==null || tableName.trim().length()<=0 || primaryKey==null || primaryKey.trim().length()<=0){return null;}
id=db.Column(db.Integer, primary_key=True) name=db.Column(db.String(64), unique=True) def__repr__(self): return'<Role %r>'%self.name classUser(db.Model): __tablename__='users' id=db.Column(db.Integer, primary_key=True) username=db.Column(db.String(64), unique=True, index=Tru...
nullable=False, comment="console地址") row = db.Column(db.String(8), comment="机柜行") ...
comment="机房") row = db.Column(db.String(8), comment="机柜行") column = db.Colum...
name = Column(String(32),nullable=False)from sqlalchemyimportcreate_engine engine = create_engine("mysql+pymysql://root:@127.0.0.1:3306/SQLAlchemy_Pro?charset=utf8") Base.metadata.create_all(engine) 4、外键关联的表添加与查询操作: from sqlalchemy.ormimportsessionmaker ...
(self): return def __repr__(self): # python是强类型语言 return +str(self.id) # 一对多关系 # 一个Hobby可以有很多人喜欢 # 一个人只能由一个Hobby class Hobby(Base): __tablename__ = 'hobby' id = Column(Integer, primary_key=True) caption = Column(String(50), default='篮球') class...
(db.Integer,primary_key=True)col=db.Column(db.String(64),nullable=False,unique=True,comment='字段释义')@app.route('/')deform_test():# 查询table1数据rows=Table1.query.filter(Table1.id<5)res=[]forrowinrows:dict={"id":row.id,"col":row.col}res.append(dict)return"hhh"if__name__=...
return '<Post %r>' % self.title class Category(db.Model): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(50)) def __init__(self, name): self.name = name def __repr__(self): return '<Category %r>' % self.name ...
phone = db.Column(db.String(11), unique=True) def __repr__(self): # repr返回一个对象的 string 格式,repr的用法是:比如a='admin',repr(a)>>>“‘admin’” return '<User %r>'%self.name 数据库外键关联 关系使用 relationship() 函数表示。然而外键必须用类 sqlalchemy.schema.ForeignKey 来单独...
(db.String(32),unique=True)users=db.relationship("User",backref="role")def__repr__(self):return"<Role name: {}>".format(self.name)classUser(db.Model):"""用户表"""__tablename__="tbl_users"# 表名 id = db.Column(db.Integer, primary_key=True) # 整型主键默认自增 name = db....