使用tkinter实现简单的通讯录功能

以下是使用tkinter实现简单通讯录功能的示例代码：

import tkinter as tk

class Contact:
    def __init__(self, name, phone, email):
        self.name = name
        self.phone = phone
        self.email = email

class App:
    def __init__(self, master):
        self.master = master
        self.master.title("通讯录")
        self.master.geometry("400x300")
        
        # 创建控件
        self.name_label = tk.Label(self.master, text="姓名：")
        self.name_entry = tk.Entry(self.master)
        self.phone_label = tk.Label(self.master, text="电话：")
        self.phone_entry = tk.Entry(self.master)
        self.email_label = tk.Label(self.master, text="邮箱：")
        self.email_entry = tk.Entry(self.master)
        self.add_button = tk.Button(self.master, text="添加", command=self.add_contact)
        self.show_button = tk.Button(self.master, text="显示", command=self.show_contacts)
        self.clear_button = tk.Button(self.master, text="清空", command=self.clear_entries)
        self.listbox = tk.Listbox(self.master, width=50)
        
        # 布局控件
        self.name_label.grid(row=0, column=0, padx=5, pady=5, sticky="w")
        self.name_entry.grid(row=0, column=1, padx=5, pady=5, sticky="ew")
        self.phone_label.grid(row=1, column=0, padx=5, pady=5, sticky="w")
        self.phone_entry.grid(row=1, column=1, padx=5, pady=5, sticky="ew")
        self.email_label.grid(row=2, column=0, padx=5, pady=5, sticky="w")
        self.email_entry.grid(row=2, column=1, padx=5, pady=5, sticky="ew")
        self.add_button.grid(row=3, column=0, padx=5, pady=5, sticky="ew")
        self.show_button.grid(row=3, column=1, padx=5, pady=5, sticky="ew")
        self.clear_button.grid(row=3, column=2, padx=5, pady=5, sticky="ew")
        self.listbox.grid(row=4, column=0, columnspan=3, padx=5, pady=5, sticky="ew")
        
        # 初始化通讯录列表
        self.contacts = []
    
    def add_contact(self):
        name = self.name_entry.get()
        phone = self.phone_entry.get()
        email = self.email_entry.get()
        contact = Contact(name, phone, email)
        self.contacts.append(contact)
        self.clear_entries()
    
    def show_contacts(self):
        self.listbox.delete(0, tk.END)
        for contact in self.contacts:
            self.listbox.insert(tk.END, f"{contact.name} {contact.phone} {contact.email}")
    
    def clear_entries(self):
        self.name_entry.delete(0, tk.END)
        self.phone_entry.delete(0, tk.END)
        self.email_entry.delete(0, tk.END)

if __name__ == "__main__":
    root = tk.Tk()
    app = App(root)
    root.mainloop()

运行代码后，将会弹出一个窗口，包含姓名、电话、邮箱的输入框，以及添加、显示、清空按钮和通讯录列表框。用户可以输入联系人的信息，然后点击添加按钮将联系人添加到通讯录列表中。点击显示按钮将会显示通讯录中所有联系人的信息。点击清空按钮将会清空输入框中的内容。