#encoding:utf-8
class Light:
_SN=""
@property
def SN(self):
return self._SN
@SN.setter
def SN(self,SN):
if SN(self.SN):
if self._SN=="":
self._SN=SN
else:
print("已有值,不可修改")
li=Light
print("SN=%s"%li.SN)
class Logger():
def __init__(self,filename):
self.filename=filename
def write(self,msg):
print("想某个文件中写入数据:%s"%msg)
#encoding:utf-8
from pageobject.demo01 import Logger
log=Logger("test_log.log")
log.write("tt")
log.write("yy")
log.write("uu")
log=Logger("test_log1.log")
log.write("tt1")
log.write("yy1")
log.write("uu1")