tkinter做一个简单的图书管理界面

代码

import sys, os
import tkinter as tk
from tkinter import ttk
from tkinter import messagebox
import pickle

window = tk.Tk()
window.title('图书管理')
window.geometry('900x600')

columns = ['no','name','author','publisher','publication_date','price']
text_arr=['编号','书名','作者','出版社','出版日期','价格']
tree = ttk.Treeview(window, show="headings", columns=columns)
for i in range(len(columns)):
    tree.heading(columns[i], text=text_arr[i])
    tree.column(columns[i], width=150, anchor='center')

tree.place(x=0,y=0,width=900,height=300)

if os.path.exists('data.pkl'):
    f=open('data.pkl', 'rb')
    book_val_arr=pickle.load(f)
    f.close()
else:
    book_val_arr = []
for bool_val in book_val_arr:
    tree.insert('', 'end', values=bool_val)

val_arr=[]
for i in range(len(columns)):
    val = tk.Variable()
    val_arr.append(val)
    tk.Label(window, text=text_arr[i]).place(x=20, y=320+i*30)
    tk.Entry(window,textvariable=val_arr[i]).place(x=80, y=320+i*30)

def add_book():
    values=[]
    for val in val_arr:
        v=val.get()
        if v=='':
            messagebox.showinfo('提示','请输入内容')
            return
        values.append(v)
    for book in tree.get_children():
        no=tree.item(book)['values'][0]
        if no==values[0]:
            messagebox.showinfo('提示','编号已经存在')
            return
    tree.insert('','end',values=values)

tk.Button(window,text='添加书本',command=add_book).place(x=60,y=520,width=120)

edit_val_arr=[]
for i in range(len(columns)):
    val = tk.Variable()
    edit_val_arr.append(val)
    tk.Label(window, text=text_arr[i]).place(x=320, y=320+i*30)
    tk.Entry(window,textvariable=edit_val_arr[i]).place(x=380, y=320+i*30)

def edit_book():
    values = []
    for val in edit_val_arr:
        v = val.get()
        if v == '':
            messagebox.showinfo('提示', '请输入内容')
            return
        values.append(v)
    tree.item(tree.selection()[0],values=values)
tk.Button(window, text='修改书本', command=edit_book).place(x=360, y=520, width=120)

def treeview_select(event):
    values=tree.item(tree.selection()[0])['values']
    for i in range(len(values)):
        edit_val_arr[i].set(values[i])

tree.bind('<<TreeviewSelect>>',treeview_select)

def save_book():
    f=open('data.pkl', 'wb')
    book_val_arr=[]
    for book in tree.get_children():
        book_val=tree.item(book)['values']
        book_val_arr.append(book_val)
    pickle.dump(book_val_arr,f)
    f.close()

tk.Button(window,text='保存书本信息', command=save_book).place(x=660,y=520,width=120)
window.mainloop()