import os
from posixpath import dirname
import xlrd
import tkinter as tk
from tkinter import filedialog as tkFileDialog
from tkinter import messagebox
import shutil

def start():
    window = tk.Tk() # 创建窗口对象的背景色
    window.title('批量文件改名程序')  # 设置窗口的标题
    window.geometry('400x300')     # 设置窗口的大小
    title = tk.Label(window, text='批量文件改名程序',
                     font=('微软雅黑', 12), width=40, height=3)
    title.place(x=0, y=0, anchor='nw')
    choosepath = tk.Label(window, text='选择文件夹：',
                          font=('微软雅黑', 12), width=20, height=2)
    choosepath.place(x=0, y=50, anchor='nw')
    path_var1 = tk.StringVar() # 输入路径
    entry1 = tk.Entry(window, textvariable=path_var1)
    entry1.place(x=170, y=65, anchor='nw')
    ori = tk.Label(window, text='替换前内容：',
                          font=('微软雅黑', 12), width=20, height=2)
    ori.place(x=0, y=100, anchor='nw')
    path_var2 = tk.StringVar() # 输出路径
    entry2 = tk.Entry(window, textvariable=path_var2)
    entry2.place(x=170, y=115, anchor='nw')
    new = tk.Label(window, text='替换后内容：',
                          font=('微软雅黑', 12), width=20, height=2)
    new.place(x=0, y=150, anchor='nw')
    path_var3 = tk.StringVar() # 输出路径
    entry3 = tk.Entry(window, textvariable=path_var3)
    entry3.place(x=170, y=165, anchor='nw')

    def choose1():
        file_dir1 = tkFileDialog.askdirectory()
        path_var1.set(file_dir1)

    def tuichu():
        window.destroy()

    def main():
        inpath = entry1.get()
        ori = entry2.get()
        new = entry3.get()
        #遍历文件夹
        for parent,dirname,filenames in os.walk(inpath):
            for filename in filenames:
                #排一下其他文件
                if ori in filename:
                    filepath = parent + '/' +filename
                    newname = filename.replace(ori,new)
                    nfilepath = parent + '/' +newname
                    os.rename(filepath,nfilepath)
        messagebox.showinfo("消息","运行成功")
        window.destroy()

    tk.Button(window, text='选择', command=choose1).place(x=320, y=60, anchor='nw')
    tk.Button(window,text='确认',command=main).place(x=120,y=230,anchor='nw')
    tk.Button(window,text='取消',command=tuichu).place(x=220,y=230,anchor='nw')
    
    window.mainloop()

if __name__ == '__main__':
    start()