Python之tkinter.messagebox弹窗

messagebox：tkinter的消息框、对话框

一、messagebox.showinfo(title='提示', message='错误')

 from tkinter import *
 from tkinter import messagebox
 root = Tk()# 初始化

 width = 380
 height = 300
 # 获取屏幕尺寸以计算布局参数，使窗口居屏幕中央
 screenwidth = root.winfo_screenwidth()
 screenheight = root.winfo_screenheight()
 alignstr = '%dx%d+%d+%d' % (width, height, (screenwidth - width) / 2, (screenheight - height) / 2)
 root.geometry(alignstr)
 frame = Frame(root)
 frame.pack()
 def hit_me():
     messagebox.showinfo(title='提示', message='错误')
 button = Button(frame, text='点我', command=hit_me)
 button.pack()
 mainloop()

效果：

二、tkinter.messagebox.showwarning(title,message)

from tkinter import *
from tkinter import messagebox
root = Tk()
width = 380
height = 300
# 获取屏幕尺寸以计算布局参数，使窗口居屏幕中央
screenwidth = root.winfo_screenwidth()
screenheight = root.winfo_screenheight()
alignstr = '%dx%d+%d+%d' % (width, height, (screenwidth - width) / 2, (screenheight - height) / 2)
root.geometry(alignstr)
frame = Frame(root)
frame.pack()
def hit_me():
    # messagebox.showinfo(title='提示', message='错误')
    messagebox.showwarning(title='提示', message='错误')
button = Button(frame, text='点我', command=hit_me)
button.pack()
mainloop()

效果：

三、tkinter.messagebox.showinfo(title,message)

from tkinter import *
from tkinter import messagebox
root = Tk()
width = 380
height = 300
# 获取屏幕尺寸以计算布局参数，使窗口居屏幕中央
screenwidth = root.winfo_screenwidth()
screenheight = root.winfo_screenheight()
alignstr = '%dx%d+%d+%d' % (width, height, (screenwidth - width) / 2, (screenheight - height) / 2)
root.geometry(alignstr)
frame = Frame(root)
frame.pack()
def hit_me():
    # messagebox.showinfo(title='提示', message='错误')
    # messagebox.showwarning(title='提示', message='错误')
    messagebox.showerror(title='提示',message='错误')
button = Button(frame, text='点我', command=hit_me)
button.pack()
mainloop()

效果：

四、messagebox.askquestion(title='提示',message='错误') #resurn 'yes' or 'no'

from tkinter import *
from tkinter import messagebox
root = Tk()
width = 380
height = 300
# 获取屏幕尺寸以计算布局参数，使窗口居屏幕中央
screenwidth = root.winfo_screenwidth()
screenheight = root.winfo_screenheight()
alignstr = '%dx%d+%d+%d' % (width, height, (screenwidth - width) / 2, (screenheight - height) / 2)
root.geometry(alignstr)
frame = Frame(root)
frame.pack()
def hit_me():
    # messagebox.showinfo(title='提示', message='错误')
    # messagebox.showwarning(title='提示', message='错误')
    # messagebox.showerror(title='提示',message='错误')
    Q = messagebox.askquestion(title='提示',message='错误') #resurn 'yes' or 'no'
    print(Q)
button = Button(frame, text='点我', command=hit_me)
button.pack()
mainloop()

效果：（说明：按下是或否会返回yes或no）

五、messagebox.askyesno(title='提示', message='错误') # resurn 'True' or 'False'

Q = messagebox.askyesno(title='提示', message='错误')  # resurn 'True' or 'False'

效果：（说明：按下是或否会返回True或False）

六、messagebox.askretrycancel(title='提示', message='错误') # resurn 'True' or 'False'

Q = messagebox.askretrycancel(title='提示', message='错误')  # resurn 'True' or 'False'

效果：（说明：按下是或否会返回True或False）

七、messagebox.askokcancel(title='提示', message='错误') # resurn 'True' or 'False'

Q = messagebox.askokcancel(title='提示', message='错误')  # resurn 'True' or 'False'

效果：（说明：按下是或否会返回True或False）