ef exc1(host,port,db,charset):conn=connect(host,port,db,charset)conn.execute(sql)return xxxdef exc2(host,port,db,charset,proc_name)conn=connect(host,port,db,charset)conn.call_proc(sql)return xxx#每次调用都需要重复传入一堆参数
exc1('127.0.0.1',3306,'db1','utf8','select * from tb1;')
exc2('127.0.0.1',3306,'db1','utf8','存储过程的名字')

HOST=‘127.0.0.1’
PORT=3306
DB=‘db1’
CHARSET=‘utf8’def exc1(host,port,db,charset):conn=connect(host,port,db,charset)conn.execute(sql)return xxxdef exc2(host,port,db,charset,proc_name)conn=connect(host,port,db,charset)conn.call_proc(sql)return xxxexc1(HOST,PORT,DB,CHARSET,'select * from tb1;')
exc2(HOST,PORT,DB,CHARSET,'存储过程的名字')

from pymysql import connectclass mysqlhandler:def __init__(self, host, port, db, charset="utf-8"):self.host = hostself.port = portself.db = dbself.charset = charsetself.conn = connect(self.host, self.port, self.db, self.charset)def exc1(self, sql):return self.conn.execute(sql)def exc2(self, sql):return self.conn.call_proc(sql)obj = mysqlhandler('127.0.0.1', 3306, 'db1')
obj.exc1('select * from tab1')
obj.exc2('存储过程的名字')

将数据与专门操作该数据的功能整合到一起

class Chinese:def __init__(self,name,age,sex):self.name=nameself.age=ageself.sex=sexp1=Chinese('egon',18,'male')
p2=Chinese('alex',38,'female')
p3=Chinese('wpq',48,'female')

class chinese:country = 'China'def __init__(self, name, age, sex):self.name = nameself.age = ageself.sex = sexdef tell_info(self):info = '''国籍:%s姓名:%s年龄:%s性别:%s''' % (self.country, self.name, self.age, self.sex)print(info)p1 = chinese('egon', 18, 'male')
p2 = chinese('alex', 33, 'female')
p3 = chinese('wpq', 50, 'female')print(p1.country)
p1.tell_info()