莫烦python Tkinter 学习笔记

按照视频顺序来的，照着打的代码

#Label & Button
import tkinter as tk

window=tk.Tk() #创建窗口
window.title('1200')
window.geometry('400x300')

var=tk.StringVar() #一个变量
l=tk.Label(window, textvariable=var,bg='green',fg='red',font=('Arial',12),width=30,height=2) #创建一个label
l.pack() #把label加进窗口

on_hit=False
def hit_me(): #功能函数
    global on_hit
    if on_hit==False:
        on_hit=True
        var.set('you hit me')
    else:
        on_hit=False
        var.set('')
        
b=tk.Button(window,text='hit me',width=15,height=2,command=hit_me)
b.pack()
window.mainloop()

#Entry & Text
window=tk.Tk()
window.title('1200')
window.geometry('400x300')

e=tk.Entry(window,show=None)
e.pack()


t=tk.Text(window,height=2)

def insert_point():
    var=e.get()
    t.insert('insert',var)
def insert_end():
    var=e.get()
    t.insert('end',var)

b1=tk.Button(window,text='insert point',width=15,height=2,command=insert_point)
b1.pack()
b2=tk.Button(window,text='insert end',width=15,height=2,command=insert_end)
b2.pack()

t.pack()

window.mainloop()

#Listbox
window=tk.Tk()
window.title('1200')
window.geometry('400x300')

var1=tk.StringVar()

l=tk.Label(window,bg='yellow',width=30,height=2,textvariable=var1)
l.pack()

def print_selection():
    value=lb.get(lb.curselection())
    var1.set(value)

b1=tk.Button(window,text='print selection',width=15,height=2,command=print_selection)
b1.pack()

var2=tk.StringVar()
var2.set((11,22,33,44))
lb=tk.Listbox(window,listvariable=var2)
list_items=[1,2,3,4]
for item in list_items:
    lb.insert('end',item)

'''   
lb.insert(1,'first')
lb.insert(1,'second')
'''
lb.pack()

window.mainloop()

#Radiobutton
window=tk.Tk()
window.title('1200')
window.geometry('400x300')

var=tk.StringVar()
l=tk.Label(window,bg='yellow',width=30,height=2,text='empty')
l.pack()

def print_selection():
    l.config(text='you have select '+var.get())

r1=tk.Radiobutton(window,text='Option A',variable=var,value='A',command=print_selection)
r1.pack()

r2=tk.Radiobutton(window,text='Option B',variable=var,value='B',command=print_selection)
r2.pack()
r3=tk.Radiobutton(window,text='Option C',variable=var,value='C',command=print_selection)
r3.pack()
window.mainloop()

#Scale
window=tk.Tk()
window.title('1200')
window.geometry('400x300')

l=tk.Label(window,bg='yellow',width=30,height=2,text='empty')
l.pack()

def print_selection(v):
    l.config(text='you have selected '+v)

s=tk.Scale(window,label='try me',from_=5,to=11,orient=tk.HORIZONTAL,length=300,
           showvalue=True,tickinterval=1,resolution=0.01,command=print_selection)
s.pack()    
    
window.mainloop()

#Checkbutton
window=tk.Tk()
window.title('1200')
window.geometry('400x300')

l=tk.Label(window,bg='yellow',width=30,height=2,text='empty')
l.pack()

def print_selection():
    if (var1.get()==1)and(var2.get()==0):
        l.config(text='I only love Python')
    elif (var1.get()==0)and(var2.get()==1):
        l.config(text='I only love C++')
    elif (var1.get()==1)and(var2.get()==1):
        l.config(text='I love both')
    else:
        l.config(text='I do not love either')

var1=tk.IntVar()
var2=tk.IntVar()
c1=tk.Checkbutton(window,text='Python',variable=var1,onvalue=1,offvalue=0,
                 command=print_selection)
c2=tk.Checkbutton(window,text='C++',variable=var2,onvalue=1,offvalue=0,
                 command=print_selection)

c1.pack()
c2.pack()
window.mainloop()

#Canvas
window=tk.Tk()
#window=tk.Toplevel()  #如果报错，改成这一行
window.title('my window')
window.geometry('600x600')

canvas=tk.Canvas(window,bg='blue',height=400,width=600)
image_file=tk.PhotoImage(file='1.gif')#只能打开gif
image=canvas.create_image(0,0,anchor='nw',image=image_file)
'''
#画图
x0,y0,x1,y1=50,50,80,80
line=canvas.create_line(x0,y0,x1,y1)
oval=canvas.create_oval(x0,y0,x1,y1,fill='red')
arc=canvas.create_arc(x0+30,y0+30,x1+30,y1+30,star=0,extent=180,fill='green')
rect=canvas.create_rectangle(100,30,100+20,30+20)
'''
rect=canvas.create_rectangle(100,30,100+20,30+20)
canvas.pack()

def moveit():
    canvas.move(rect,0,2)

b=tk.Button(window,text='move',width=15,height=2,command=moveit).pack()

window.mainloop()

#Menubar
window=tk.Tk()
#window=tk.Toplevel()  #如果报错，改成这一行
window.title('my window')
window.geometry('600x600')

l=tk.Label(window,bg='yellow',text='')
l.pack()

counter=0
def do_job():
    global counter
    l.config(text='do '+str(counter))
    counter+=1

menubar=tk.Menu(window)
filemenu=tk.Menu(menubar,tearoff=0)
menubar.add_cascade(label='File',menu=filemenu)
filemenu.add_command(label='New',command=do_job)
filemenu.add_command(label='Open',command=do_job)
filemenu.add_command(label='Save',command=do_job)
filemenu.add_separator()#分割线
filemenu.add_command(label='Exit',command=window.quit)

editmenu=tk.Menu(menubar,tearoff=0)
menubar.add_cascade(label='Edit',menu=editmenu)
editmenu.add_command(label='Cut',command=do_job)
editmenu.add_command(label='Copy',command=do_job)
editmenu.add_command(label='Paste',command=do_job)

submenu=tk.Menu(filemenu)
filemenu.add_cascade(label='Import',menu=submenu,underline=0)
submenu.add_command(label='Submenu1',command=do_job)

window.config(menu=menubar)

window.mainloop()

#Frame
window=tk.Tk()
#window=tk.Toplevel()  #如果报错，改成这一行
window.title('my window')
window.geometry('400x300')

tk.Label(window,text='on the window').pack(side='top')

frm=tk.Frame(window).pack()
frm_l=tk.Frame(frm)
frm_r=tk.Frame(frm)
frm_l.pack(side='left')
frm_r.pack(side='right')

tk.Label(frm_l,text='on the frm_l1').pack()
tk.Label(frm_l,text='on the frm_l2').pack()
tk.Label(frm_r,text='on the frm_l1').pack()

window.mainloop()

#messagebox
window=tk.Tk()
from tkinter import messagebox #否则会报错
#window=tk.Toplevel()  #如果报错，改成这一行
window.title('my window')
window.geometry('400x300')

def hit_me():
    #messagebox.showinfo(title='Hi',message='hahaha')
    #messagebox.showwarning(title='Hi',message='nonono')
    #messagebox.showerror(title='Hi',message='No!!!')
    #print(messagebox.askquestion(title='Hi',message='hahaha')) #return yes or no
    #print(messagebox.askyesno(title='Hi',message='hahaha')) #return True or false
    #print(messagebox.asktrycancel(title='Hi',message='hahaha')) #同上
    print(messagebox.askokcancel(title='Hi',message='hahaha')) #同上
tk.Button(window,text='hit me',command=hit_me).pack()

window.mainloop()

#pack grid place
window=tk.Tk()
window.title('my window')
window.geometry('400x300')
'''
for i in range(4):
    for j in range(3):
        tk.Label(window,text=1).grid(row=i,column=j,padx=10,pady=10)
'''
'''
tk.Label(window,text=1).pack(side='top')
tk.Label(window,text=1).pack(side='bottom')
tk.Label(window,text=1).pack(side='left')
tk.Label(window,text=1).pack(side='right')
'''
tk.Label(window,text=1).place(x=10,y=100,anchor='nw')

window.mainloop()

 

转载于:https://www.cnblogs.com/yexionglin/p/11432262.html