Mike lucis

class Employee:
    '所有员工的基类'
    empCount = 0

    # 定义属性
    def __init__(self, name, salary):
        self.name = name
        self.salary = salary
        Employee.empCount += 1

    # 定义方法
    def displayCount(self):
        print("Total : %d " % Employee.empCount)

    def displayEmployee(self):
        print("Name : ", self.name, ", Salary: ", self.salary)


# 创建 Employee 类的第一个对象
emp1 = Employee("Zara", 2000)
# 创建 Employee 类的第二个对象
emp2 = Employee("Manni", 5000)
emp1.displayEmployee()
emp2.displayEmployee()

# print("Total Employee %d" % Employee.empCount)
Employee.displayCount(Employee)

class JustCounter:
    __copy = "Mikelucis"
    __secretCount = 0  # 私有变量
    publicCount = 0  # 公开变量

    def count(self):
        self.__secretCount += 1
        self.publicCount += 1
        print(self.__secretCount)


counter = JustCounter()
counter.count()
counter.count()
print(counter.publicCount)
print(counter._JustCounter__copy)  # 可使用 object._classname__attrName 可访问到私有变量
print(counter.__secretCount)  # 报错，实例化类不能访问私有变量