Python 编程 之 tkinter : 导航栏与局部页面切换

import tkinter as tk  class App:  def __init__(self, root):  self.root = root  self.root.title("导航栏与局部页面切换")  self.root.geometry('800x500')self.root.minsize(width=800, height=300)# 创建导航栏  self.navbar = tk.Frame(self.root, bg='gray')  self.navbar.pack(fill=tk.BOTH, side=tk.TOP)  # 导航栏按钮  self.btn_page1 = tk.Button(self.navbar, bg='#ffffff', fg='#000000', text="页面1", command=self.show_page1)  self.btn_page2 = tk.Button(self.navbar, bg='#ffffff', fg='#000000', text="页面2", command=self.show_page2) self.btn_page3 = tk.Button(self.navbar, bg='#ffffff', fg='#000000', text="页面3", command=self.show_page3)  self.btn_page4 = tk.Button(self.navbar, bg='#ffffff', fg='#000000', text="页面4", command=self.show_page4)  # 设置一行上的4个列，weight 是长度权重，这里设置为权重一样就是等长self.navbar.columnconfigure(0, weight=1)self.navbar.columnconfigure(1, weight=1)self.navbar.columnconfigure(2, weight=1)self.navbar.columnconfigure(3, weight=1)# row 行号,column 列号# sticky 指定了当网格的大小改变时，按钮将如何对齐。# "ew"代表"east and west"，# 意味着按钮将填充其分配的行和列空间，从东（右）和西（左）两个方向填充。self.btn_page1.grid(row=0, column=0, sticky="ew")self.btn_page2.grid(row=0, column=1, sticky="ew")self.btn_page3.grid(row=0, column=2, sticky="ew")self.btn_page4.grid(row=0, column=3, sticky="ew")# 局部页面容器  self.content_frame = tk.Frame(self.root)  self.content_frame.pack(fill=tk.BOTH, expand=True)  # 页面内容  self.page1 = tk.Frame(self.content_frame, bg='#ffffff')  self.page2 = tk.Frame(self.content_frame, bg='#ffffff')self.page3 = tk.Frame(self.content_frame, bg='#ffffff')self.page4 = tk.Frame(self.content_frame, bg='#ffffff')# 自己加的标签self.label1 = tk.Label(self.page1, text="页面1", bg='yellow', fg='#000000', font=('微软雅黑', 16)).pack()self.label2 = tk.Label(self.page2, text="页面2", bg='yellow', fg='#000000', font=('微软雅黑', 16)).pack()self.label3 = tk.Label(self.page3, text="页面3", bg='yellow', fg='#000000', font=('微软雅黑', 16)).pack()self.label4 = tk.Label(self.page4, text="页面4", bg='yellow', fg='#000000', font=('微软雅黑', 16)).pack()# 初始显示页面1  self.show_page1()  def show_page1(self):  self.page1.pack(fill=tk.BOTH, expand=True)  self.btn_page1.config(fg='red')self.btn_page2.config(fg='#000000')self.btn_page3.config(fg='#000000')self.btn_page4.config(fg='#000000')self.page2.pack_forget()  # 隐藏页面2  self.page3.pack_forget()self.page4.pack_forget()def show_page2(self):  self.page2.pack(fill=tk.BOTH, expand=True)  self.btn_page2.config(fg='red')self.btn_page1.config(fg='#000000')self.btn_page3.config(fg='#000000')self.btn_page4.config(fg='#000000')self.page1.pack_forget()  # 隐藏页面1  self.page3.pack_forget()self.page4.pack_forget()def show_page3(self):  self.page3.pack(fill=tk.BOTH, expand=True)  self.btn_page3.config(fg='red')self.btn_page1.config(fg='#000000')self.btn_page2.config(fg='#000000')self.btn_page4.config(fg='#000000')self.page1.pack_forget()  # 隐藏页面1  self.page2.pack_forget()self.page4.pack_forget()def show_page4(self):  self.page4.pack(fill=tk.BOTH, expand=True) self.btn_page4.config(fg='red')self.btn_page1.config(fg='#000000')self.btn_page2.config(fg='#000000')self.btn_page3.config(fg='#000000')self.page1.pack_forget()  # 隐藏页面1  self.page3.pack_forget()self.page2.pack_forget()if __name__ == "__main__":  root = tk.Tk()  app = App(root)  root.mainloop()

效果展示：