python tkinter button_Python3 Tkinter-Button
1.绑定事件处理函数
from tkinter import *
def hello():
print('Hello!')
root=Tk()
button=Button(root,text='click me!',command=hello)
button.pack()
root.mainloop()
图片.png
2.按钮样式
from tkinter import *
def hello():
print('Hello!')
root=Tk()
button1=Button(root,text='click me!',command=hello,relief=FLAT)
button1.pack()
button2=Button(root,text='click me!',command=hello,relief=GROOVE)
button2.pack()
button3=Button(root,text='click me!',command=hello,relief=RAISED)
button3.pack()
button4=Button(root,text='click me!',command=hello,relief=RIDGE)
button4.pack()
button5=Button(root,text='click me!',command=hello,relief=SOLID)
button5.pack()
button6=Button(root,text='click me!',command=hello,relief=SUNKEN)
button6.pack()
root.mainloop()
图片.png
3.图像
button也有bitmap,compound
4.焦点
from tkinter import *
def hello():
print('Hello!')
def b2(event):
print(event,' is clicked.')
root=Tk()
button1=Button(root,text='click me!',command=hello)
button1.pack()
button2=Button(root,text='click me!')
button2.bind('',b2)
button2.pack()
button2.focus_set()
button1.focus_set()
root.mainloop()
图片.png
5.宽高
b.configure=(width=30,heigth=100)
也可在定义的时候确定
6.Button文本在控件上显示的位置
from tkinter import *
def hello():
print('Hello!')
root=Tk()
button1=Button(root,text='click me!',command=hello,anchor='ne',width=30,height=4)
button1.pack()
root.mainloop()
图片.png
n(north),s(south),w(west),e(east),ne(north east),nw,se,sw
7.改变颜色
from tkinter import *
def hello():
print('Hello!')
root=Tk()
button1=Button(root,text='click me!',command=hello,fg='red',bg='blue')
button1.pack()
root.mainloop()
图片.png
8.边框
from tkinter import *
def hello():
print('Hello!')
def b2(event):
print(event,' is clicked.')
root=Tk()
for b in [0,1,2,3,4]:
Button(root,text=str(b),bd=b).pack()
root.mainloop()
图片.png
9.状态
from tkinter import *
def hello():
print('Hello!')
def b2(event):
print(event,' is clicked.')
root=Tk()
for r in ['norma','active','disabled']:
Button(root,state=r,text=r).pack()
root.mainloop()
图片.png
10.绑定变量
from tkinter import *
root=Tk()
def change():
if b['text']=='text':
v.set('change')
else:
v.set('text')
v=StringVar()
b=Button(root,textvariable=v,command=change)
v.set('text')
b.pack()
root.mainloop()
图片.png
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