代码布局：
mypackage/human.py
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#!/usr/bin/env pythonclass person: def __init__(self,name,age,sex): self.name = name self.age = age self.sex = sex def sayHello(self,msg='Hello'): print(msg) def printInfo(self): print('name:' + self.name + ' age:' + str(self.age) + ' sex:' + self.sex ) |
mypackage/student.py
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#!/usr/bin/env pythonfrom mypackage.human import personclass student(person): def __init__(self,name,age,sex,stuid,score): person.__init__(self,name,age,sex) self.stuid = stuid self.score = score def sayHi(self,msg='Hi'): print(msg) def printInfo(self): person.printInfo(self) print('stuid:' + str(self.stuid) + ' score:' + str(self.score) ) |
test.py
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#!/usr/bin/env pythonfrom mypackage.human import personfrom mypackage.student import studentper = person('person',24,'man')per.sayHello()per.printInfo()stu = student('xiaodaima',23,'man',1001,100)stu.sayHi()stu.printInfo() |
运行效果：
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[laolang@localhost packagetest]$ ./test.py Helloname:person age:24 sex:manHiname:xiaodaima age:23 sex:manstuid:1001 score:100[laolang@localhost packagetest]$ |
自定义的包中，必须有__init__.py文件
在自定义包的时候，如果要引入其它包，则使用from import就可以。