python3 GUI

• 用python３创建窗口并显示
• 修改窗口的名字
• 在窗口中加入标签
• 在窗口中加入按钮
• 使按钮有实际意义
• 添加可编辑文本框
• 用Tkinter实现一个简单的GUI程序,单击click按钮时会在终端打印出’hello world’,方法一
• 用Tkinter实现一个简单的GUI程序,单击click按钮时会在终端打印出’hello world’,方法二
• 添加２个按钮并改变按钮字体颜色
• 创建顶级菜单及下拉菜单
• 按钮相应显示在窗口而非终端
• 改变标签背景色
• pack常用属性
• 页面布局1
• 页面布局２

#!/usr/bin/python3
# -*- coding: UTF-8 -*-

import tkinter

top=tkinter.Tk() 

#进入消息循环体
top.mainloop() 

#!/usr/bin/Python3
# -*- coding: UTF-8 -*-

import tkinter

top=tkinter.Tk(className='hello world') 

#进入消息循环体
top.mainloop()

#!/usr/bin/python3
# -*- coding: UTF-8 -*-

import tkinter

top=tkinter.Tk(className='hello world') 

#加上标签
label = tkinter.Label(top)  
label['text'] = 'be on your own'  
label.pack() 

#进入消息循环体
top.mainloop()

#!/usr/bin/python3
# -*- coding: UTF-8 -*-

import tkinter

top=tkinter.Tk(className='hello world') 

#加上标签
label = tkinter.Label(top)  
label['text'] = 'be on your own'  
label.pack() 

#加上按钮
button = tkinter.Button(top)
button['text'] = 'Ok'  
button.pack()

#进入消息循环体
top.mainloop() 

#!/usr/bin/python3
# -*- coding: UTF-8 -*-

import tkinter

def on_click():  
    label['text'] = 'no way out'

top=tkinter.Tk(className='hello world') 

#加上标签
label = tkinter.Label(top)  
label['text'] = 'be on your own'  
label.pack() 

#加上按钮
button = tkinter.Button(top)
button['text'] = 'Ok'

#添加按钮操作 
button['command'] = on_click 
button.pack()

#进入消息循环体
top.mainloop()

#!/usr/bin/python3
# -*- coding: UTF-8 -*-

import tkinter

def on_click():  
    label['text'] = 'no way out'

top=tkinter.Tk(className='hello world') 

#加上标签
label = tkinter.Label(top)  
label['text'] = 'be on your own'  
label.pack() 

#加上按钮
button = tkinter.Button(top)
button['text'] = 'Ok'
#添加按钮操作 
button['command'] = on_click 
button.pack()

#添加可编辑文本框
text = tkinter.StringVar()  
text.set('change to what?')  
entry = tkinter.Entry(top) 
entry['textvariable'] = text  
entry.pack() 

#进入消息循环体
top.mainloop()

# #!/usr/bin/python3
# #-*-coding: UTF-8 -*-

import tkinter

def on_click():
    print('hello world')

top=tkinter.Tk(className='hello world') 
#定义窗体的大小，是400X200像素 
top.geometry('400x200')
#加上按钮
button = tkinter.Button(top)
button['text'] = 'click'
#添加按钮操作 
button['command'] = on_click 
button.pack()

#进入消息循环体
top.mainloop()

#!/usr/bin/python3
#-*-coding: UTF-8 -*-
from tkinter import *   #引入Tkinter工具包  
def hello():  
    print('hello world!')  

win = Tk()  #定义一个窗体  
win.title('Hello World')    #定义窗体标题  
win.geometry('400x200')     #定义窗体的大小，是400X200像素  

btn = Button(win, text='Click me', command=hello)  
#注意这个地方，不要写成hello(),如果是hello()的话，  
#会在mainloop中调用hello函数，  
# 而不是单击button按钮时出发事件  
btn.pack(expand=YES, fill=BOTH) #将按钮pack，充满整个窗体(只有pack的组件实例才能显示)  

mainloop() #进入主循环，程序运行 

#!/usr/bin/python3
#-*-coding: UTF-8 -*-

import tkinter

class App:  
    def __init__(self, master):  
        #构造函数里传入一个父组件(master),创建一个Frame组件并显示  
        frame = tkinter.Frame(master)  
        frame.pack()  
        #创建两个button，并作为frame的一部分  
        self.button = tkinter.Button(frame, text="QUIT", fg="red", command=frame.quit)  
        self.button.pack(side=tkinter.LEFT) #此处side为LEFT表示将其放置 到frame剩余空间的最左方  
        self.hi_there = tkinter.Button(frame, text="Hello", command=self.say_hi)  
        self.hi_there.pack(side=tkinter.LEFT)  

    def say_hi(self):  
        print ("hi there, this is a class example!"  )

win = tkinter.Tk()  
app = App(win)  
win.mainloop() 

#!/usr/bin/python3
#-*- encoding=UTF-8 -*-   
import tkinter as tk
root = tk.Tk()  

def hello():  
    print('hello')  

def about():  
    print('我是开发者')  

menubar = tk.Menu(root)  

#创建下拉菜单File，然后将其加入到顶级的菜单栏中  
filemenu = tk.Menu(menubar,tearoff=0)  
filemenu.add_command(label="Open", command=hello)  
filemenu.add_command(label="Save", command=hello)  
filemenu.add_separator()  
filemenu.add_command(label="Exit", command=root.quit)  
menubar.add_cascade(label="File", menu=filemenu)  

#创建另一个下拉菜单Edit  
editmenu = tk.Menu(menubar, tearoff=0)  
editmenu.add_command(label="Cut", command=hello)  
editmenu.add_command(label="Copy", command=hello)  
editmenu.add_command(label="Paste", command=hello)  
menubar.add_cascade(label="Edit",menu=editmenu)  
#创建下拉菜单Help  
helpmenu = tk.Menu(menubar, tearoff=0)  
helpmenu.add_command(label="About", command=about)  
menubar.add_cascade(label="Help", menu=helpmenu)  

#显示菜单  
root.config(menu=menubar)  

tk.mainloop()  

#!/usr/bin/python3
#-*- encoding=UTF-8 -*-   
import tkinter as tk
root = tk.Tk()  

def hello():  
    print('hello')  

# def about():  
#     print('我是开发者')  
def about():
    w = tk.Label(root,text="开发者感谢名单\n\nfuyunbiyi\n\nfyby尚未出现的女朋友\n\nHttp://www.programup.com网站")
    w.pack(side=tk.TOP)  

menubar = tk.Menu(root)  

#创建下拉菜单File，然后将其加入到顶级的菜单栏中  
filemenu = tk.Menu(menubar,tearoff=0)  
filemenu.add_command(label="Open", command=hello)  
filemenu.add_command(label="Save", command=hello)  
filemenu.add_separator()  
filemenu.add_command(label="Exit", command=root.quit)  
menubar.add_cascade(label="File", menu=filemenu)  

#创建另一个下拉菜单Edit  
editmenu = tk.Menu(menubar, tearoff=0)  
editmenu.add_command(label="Cut", command=hello)  
editmenu.add_command(label="Copy", command=hello)  
editmenu.add_command(label="Paste", command=hello)  
menubar.add_cascade(label="Edit",menu=editmenu)  
#创建下拉菜单Help  
helpmenu = tk.Menu(menubar, tearoff=0)  
helpmenu.add_command(label="About", command=about)  
menubar.add_cascade(label="Help", menu=helpmenu)  

#显示菜单  
root.config(menu=menubar)  

tk.mainloop()  

#!/usr/bin/python3
#-*- encoding=UTF-8 -*-   
import tkinter as tk
root = tk.Tk() 

#创建三个 Label 分别添加到root窗体中 
#Label是一种用来显示文字或者图片的组件
tk.Label(root,text = 'pack1',bg = 'red').pack() 
tk.Label(root, text = 'pack2', bg = 'blue').pack() 
tk.Label(root, text = 'pack3', bg = 'green').pack() 

root.mainloop()

from tkinter import *    #注意模块导入方式，否则代码会有差别

class App:
    def __init__(self, master):
        #使用Frame增加一层容器
        fm1 = Frame(master)
        #Button是一种按钮组件，与Label类似，只是多出了响应点击的功能
        Button(fm1, text='Top').pack(side=TOP, anchor=W, fill=X, expand=YES)
        Button(fm1, text='Center').pack(side=TOP, anchor=W, fill=X, expand=YES)
        Button(fm1, text='Bottom').pack(side=TOP, anchor=W, fill=X, expand=YES)
        fm1.pack(side=LEFT, fill=BOTH, expand=YES)

        fm2 = Frame(master)
        Button(fm2, text='Left').pack(side=LEFT)
        Button(fm2, text='This is the Center button').pack(side=LEFT)
        Button(fm2, text='Right').pack(side=LEFT)        
        fm2.pack(side=LEFT, padx=10)


root = Tk()
root.title("Pack - Example")
display = App(root)
root.mainloop()

import tkinter as tk

root = tk.Tk()

label1 = tk.Label(root, text = "Height:")
label1.grid(row = 0, column = 0)
label2 = tk.Label(root, text = "Width:")
label2.grid(row = 1, column = 0)

entry1 = tk.Entry(root)
entry1.grid(row = 0, column = 1)
entry2 = tk.Entry(root)
entry2.grid(row = 1, column = 1)

checkbutton = tk.Checkbutton(root, text = "Preserve aspect")
checkbutton.grid(row = 2, column = 0, rowspan = 1, columnspan = 2, sticky=tk.W)#sticky设置控件的对其方位，这里设置为靠西(左西右东)

img = tk.PhotoImage(file = "11.png")
imageview = tk.Label(root, image= img)
imageview.grid(row = 0, column = 2, rowspan = 2, columnspan = 2)

button1 = tk.Button(root, text = "Zoom in")
button1.grid(row = 2, column = 2)
button1 = tk.Button(root, text = "Zoom out")
button1.grid(row = 2, column = 3)

root.mainloop()

参考一：https://www.cnblogs.com/monsteryang/p/6558904.html
参考二：https://blog.csdn.net/yingshukun/article/details/53983812
参考三：https://blog.csdn.net/C_Creator/article/details/52383334