from tkinter import * # 导入模块

 root = Tk() # 创建主窗口对象root

 root.title("测试窗口") # 设定主窗口的名称

 root.geometry("400x400+400+100") # 设定主窗口的大小和位置

 root.resizable(width = False, height = False) # 设定主窗口大小是否可改变

 label01 = Label(root, text = "我是标签") # 添加标签对象在主窗口中

 label01.pack() # 对label01对象进行布局

 root.mainloop()

 # 主循环 -->> 当所有对象都创建完成并且进行布局后就会进入主循环，等待事件触发

 from tkinter import *

 root = Tk()

 root.geometry("400x400+400+200")

 # 实例化标签对象

 label01 = Label(text = "warrior", bg = "red", bd = "", font = ("楷体", 10), width = 20, height = 20)

 label01.pack() # 位标签对象布局

 root.mainloop()

 from tkinter import *

 root = Tk()

 root.title("测试")

 root.geometry("400x400+400+200")

 root.resizable(width = False, height = False)

 lab01 = Label(text = "我是标签", bg = "red", bd = "")

 lab01.pack()

 fra = Frame(root) # 创建一个容器对象， 根对象是root

 fra_l = Frame(fra) # 创建一个容器对象，根对象是fra

 # 创建两个标签对象，这俩个标签对象都在fra_l这个容器中

 lab_l1 = Label(fra_l, text = "左上", bg = "blue").pack(side = TOP)

 lab_l2 = Label(fra_l, text = "左下", bg = "red").pack(side = TOP)

 fra_l.pack(side = LEFT)

 fra_r = Frame(fra) # 创建一个容器对象，根对象是fra

 # 创建两个标签对象，这两个标签对象都在fra_r这个容器中

 lab_r1 = Label(fra_r, text = '右上', bg = "red").pack(side = TOP)

 lab_r2 = Label(fra_r, text = '右下', bg = "blue").pack(side = TOP)

 fra_r.pack(side = RIGHT)

 fra.pack()

 root.mainloop() 

 from tkinter import *

 root = Tk()

 root.title("测试")

 root.geometry("400x400+400+200")

 root.resizable(width = False, height = False)

 var = Variable() # 创建一个变量对象

 e = Entry(root, textvariable = var) # var变量对象被绑定在文本框的内容属性

 # 改变变量对象var的值时文本框对象的内容就会相应改变

 var.set("warrior") # 为变量对象var设定内容

 e.pack()

 root.mainloop() 

 from tkinter import *

 root = Tk()

 root.title("测试")

 root.geometry("400x400+400+200")

 root.resizable(width = False, height = False)

 t = Text(root) # 创建多行文本实例

 t.insert(1.0, "warrior\n")

 t.insert(END, "fury")

 t.insert(END, "HELLO")

 t.insert(1.0, "WORLD\n")

 t.delete(1.0, 2.0)

 t.pack()

 b = Button(root, text = "按钮")

 b.pack()

 root.mainloop() 

 from tkinter import *

 root = Tk()

 root.title("测试")

 root.geometry("400x400+400+200")

 root.resizable(width = False, height = False)

 t = Text(root) # 创建多行文本实例

 t.pack()

 def print_hello() :

     t.insert(END, "重庆.足智\n")

 b1 = Button(root, text = "点击打印", command = print_hello)

 b1.pack()

 b2 = Button(root, text = "点击退出", command = root.quit)

 b2.pack()

 root.mainloop() 

 from tkinter import *

 root = Tk()

 root.title("测试")

 root.geometry("400x400+400+200")

 root.resizable(width = False, height = False)

 lb = Listbox(root) # 创建一个列表实例对象

 for item in ['python', 'java', 'php']: # 向列表对象插入数据

     lb.insert(END, item)

 lb.pack()

 lb01 = Listbox(root, selectmode = MULTIPLE) # 多选模式

 for item in ['java', 'c++', 'node.js'] :

     lb01.insert(END, item)

 lb01.pack()

 root.mainloop()