Question

我刚开始用Python学习OOP，我一直在创建一个地址簿。我现在遇到的问题是我的for循环没有显示我的数组的内容，而且我不完全确定原因？

代码实际上是我使用OOP制作的另一个短程序的副本，即for循环与其他程序完全相同的代码，唯一的区别是被调用的数组的名称

我觉得在导致问题的for循环之前某处可能是一个小错误，可能需要另一只眼睛来发现错误。

以下是代码：

#create Contacts class
class Contacts():
    def __init__(self, firstName, lastName, address, telephone, mobile, email):
        self.firstName = firstName
        self.lastName = lastName
        self.address = address
        self.telephone = telephone
        self.mobile = mobile
        self.email = email

    def showDetails(self):
        print("First Name:\t", self.firstName)
        print("Last Name:\t", self.lastName)
        print("Address:\t", self.address)
        print("Telephone:\t", self.telephone)
        print("Mobile:\t", self.mobile)
        print("Email:\t", self.email)

#initialise empty array
contactsList = []

while True:
    #add contacts
    firstName = input("First Name: ")
    lastName = input("Last Name: ")
    address = input("Address: ")
    telephone = input("Telephone: ")
    mobile = input("Mobile: ")
    email = input("Email: ")
    print("\n")

    contact = Contacts(firstName, lastName, address, telephone, mobile, email)

    contactsList.append(contact)

    answer = input("Do you want to add more contacts? ")
    print("\n")

    if answer == "no":
        break
    elif answer == "yes":
        continue

#For Loop not showing anything?
for i in contactsList:
    i.showDetails

运行程序时，Python模块不会显示任何错误。

Answer 1

您需要实际调用 showDetails()方法：

for i in contactsList:
    i.showDetails()

仅仅引用该方法不会调用它。

Answer 2

showdetails是会员功能。要调用，您需要附加()：

 i.showDetails()

For Loop不显示数组的内容

2 个答案: