Python 類 setattr、getattr、hasattr 的使用

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#coding=utf-8class Employee:  ‘所有員工的基類‘  empCount = 0  def __init__(self, name, salary):    self.name = name    self.salary = salary    Employee.empCount += 1  def displayCount(self):    print ("Total Employee %d" % Employee.empCount)  def displayEmployee(self):    print ("Name : ", self.name,  "\nSalary: ", self.salary)Xiaoxiao = Employee(‘Xiaoxiao‘, 2000)setattr(Xiaoxiao, ‘age‘, 21)Tiny = Employee("Tiny", 5000)#setattr(Tiny, ‘age‘, 23)print ("執行個體 Employee 類的第一個對象 Xiaoxiao ");print (‘Xiaoxiao 是否存在age屬性：‘,hasattr(Xiaoxiao,‘age‘))Xiaoxiao.displayEmployee(); print("Age: ",getattr(Xiaoxiao,‘age‘, ‘not find‘));print ("\n")print ("執行個體 Employee 類的第二個對象 Tiny")print (‘Tiny 是否存在age屬性：‘,hasattr(Tiny,‘age‘))Tiny.displayEmployee()print("Age: ",getattr(Tiny,‘age‘, ‘not find‘));print ("\n")print ("Total Employee number: %d" % Employee.empCount)print ("\n")

 

Python 類 setattr、getattr、hasattr 的使用