from tkinter import *

from tkinter import filedialog

import tkinter.messagebox

def main():

    def selectExcelfile():

        sfname = filedialog.askopenfilename(title='选择Excel文件', filetypes=[('Excel', '*.xlsx'), ('All Files', '*')])

        print(sfname)

        text1.insert(INSERT,sfname)

    def closeThisWindow():

        root.destroy()

    def doProcess():

        tkinter.messagebox.showinfo('提示','处理Excel文件的示例程序。')

    #初始化

    root=Tk()

    #设置窗体标题

    root.title('Python GUI Learning')

    #设置窗口大小和位置

    root.geometry('500x300+570+200')

    label1=Label(root,text='请选择文件:')

    text1=Entry(root,bg='white',width=45)

    button1=Button(root,text='浏览',width=8,command=selectExcelfile)

    button2=Button(root,text='处理',width=8,command=doProcess)

    button3=Button(root,text='退出',width=8,command=closeThisWindow)

    label1.pack()

    text1.pack()

    button1.pack()

    button2.pack()

    button3.pack() 

    label1.place(x=30,y=30)

    text1.place(x=100,y=30)

    button1.place(x=390,y=26)

    button2.place(x=160,y=80)

    button3.place(x=260,y=80)

    root.mainloop() 

if __name__=="__main__":

    main()