sqlAlchemy是python下的数据库orm映射框架,几乎支持所有常用数据库,很受python开发者的青睐,本文主要内容sqlAlchemy连接sqlite
# coding: utf-8 from sqlalchemy import Column,Integer,String,create_engine from sqlalchemy.orm import sessionmaker from sqlalchemy.ext.declarative import declarative_base import uuid,random Base = declarative_base() class ApplyCode(Base): __tablename__ = 'applycode' id = Column('id',primary_key=True) code = Column('code',String) status = Column('status',default=1) uid = Column('uid',String) engine = create_engine('sqlite:///data.db',echo=True) Database= sessionmaker(bind=engine) if __name__ == '__main__': db = Database() # try: # for x in range(17): # code = '' # for i in xrange(3): code += random.choice('abcdefghijklmnopqrstuvwxyz'.upper()) # for i in xrange(3): code += random.choice('0123456789') # app = ApplyCode(code=code,uid=str(uuid.uuid4())) # db.add(app) # db.commit() # except Exception,e: # print e # db.rollback() idlist = [144,143,142,141,140] query = db.query(ApplyCode) query = query.filter(ApplyCode.id.in_(idlist)) query = query.order_by(-ApplyCode.id) data = query.all() # print data.id # print data.code # print data.uid for x in data: print x.id
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