python package 的两种组织方式

        # 空文件

        class Class1:def __init__(self):self.name = "class one"def printInfo(self):print("i am class One!")

        class Class2:def __init__(self):self.name = "class two"def printInfo(self):print("i am class two!")

    from package1.class1 import Class1from package1.class2 import Class2if __name__ == "__main__":c1 = Class1()c1.printInfo()c2 = Class2()c2.printInfo()

        from .class1 import Class1from .class2 import Class2

        class Class1:def __init__(self):self.name = "class one"def printInfo(self):print("i am class One!")

        class Class2:def __init__(self):self.name = "class two"def printInfo(self):print("i am class two!")

    from package2 import Class1, Class2if __name__ == "__main__":c1 = Class1()c1.printInfo()c2 = Class2()c2.printInfo()