简短描述：我创建了主窗口，我正在进入TopLevel窗口，在该窗口中使用数据库中的数据循环创建按钮，假设创建了 4 个按钮，例如名称为 1、2、3 和 4。
因此，当您单击其中一个按钮时，将出现某种计数器，例如 0/4，当您按下按钮“Plati odabrano”时，它将添加 1/4 和 on.. 击中 4/4 按钮后将被删除它工作正常，但是当我退出TopLevel窗口并从主窗口再次进入时，我们删除的那个按钮旁边的按钮占据了已删除的按钮位置并且也停留在它的最后一个位置，所以我仍然有 4 个按钮，但它们现在被命名为 1 ,2,4,&4。
所以我用更简单的版本重新创建了代码，没有那个错误它工作得很好，但是我在我的主代码中找不到错误来修复它。在这里，我将粘贴这两个代码，如果有人可以在他们的解释器中对其进行测试并检查错误，我将不胜感激。
这是我的主要代码：
from tkinter import *
import sqlite3
conn = sqlite3.connect('Financije.db')
c = conn.cursor()
c.execute('''CREATE TABLE IF NOT EXISTS PRIMANJA
([ID] INTEGER PRIMARY KEY,[Opis] text, [Iznos] integer, [Datum] text)''')
c.execute('''CREATE TABLE IF NOT EXISTS OTPLATA_NA_RATE
([ID] INTEGER PRIMARY KEY,[Opis] text, [Iznos_rate] integer, [Broj_rata] text, [Datum_kupnje] text)''')
c.execute('''CREATE TABLE IF NOT EXISTS SKIDANJE_S_RAČUNA
([ID] INTEGER PRIMARY KEY,[Opis] text, [Iznos] integer, [Date] text)''')
c.execute('''CREATE TABLE IF NOT EXISTS KASICA
([ID] INTEGER PRIMARY KEY, [Stanje_računa] integer)''')
c.execute('SELECT * FROM KASICA')
check = c.fetchone()
if check is None:
c.execute('INSERT INTO KASICA VALUES (?, ?);', (None, 0.0))
c.execute('SELECT * FROM OTPLATA_NA_RATE')
check = c.fetchone()
if check is None:
c.execute('INSERT INTO OTPLATA_NA_RATE VALUES (?, ?, ?, ?, ?);', (None, "Test1", 600, "0/2", "12/08/2021"))
c.execute('INSERT INTO OTPLATA_NA_RATE VALUES (?, ?, ?, ?, ?);', (None, "Test2", 600, "0/3", "12/08/2021"))
c.execute('INSERT INTO OTPLATA_NA_RATE VALUES (?, ?, ?, ?, ?);', (None, "Test3", 600, "0/4", "12/08/2021"))
c.execute('INSERT INTO OTPLATA_NA_RATE VALUES (?, ?, ?, ?, ?);', (None, "Test4", 600, "0/5", "12/08/2021"))
c.execute('INSERT INTO OTPLATA_NA_RATE VALUES (?, ?, ?, ?, ?);', (None, "Test5", 600, "0/6", "12/08/2021"))
# Save (commit) the changes
conn.commit()
class FinancialCalc:
def __init__(self, master):
self.lista_opisa_rata = list()
self.dict_for_buttons = dict()
# Start screen define:
self.master = master
self.master.title("Test")
self.master.geometry("300x300")
self.master.resizable(False, False)
self.otplata_na_rate_button = Button(master, text="payment in installments",
command=self.otplata_na_rate_deiconify)
self.otplata_na_rate_button.place(x=95, y=155)
# Otplata_na_rate TopLevel - definiranje
self.onr_top = Toplevel()
self.onr_top.withdraw()
self.onr_top.protocol("WM_DELETE_WINDOW", lambda: (self.master.deiconify(), self.onr_top.withdraw()))
self.onr_top.title("Test")
self.onr_label = Label(self.onr_top, text="List of payments:", font=("Helvetica", 11, "underline", "bold"))
self.onr_opis_label = Label(self.onr_top, text="Payment description:", font=("Helvetica", 11, "underline", "bold"))
self.onr_oznacena_rata_label = Label(self.onr_top, text="Installment description:", font=("Helvetica", 11))
self.onr_broj_rata_label = Label(self.onr_top, text="Installments:", font=("Helvetica", 11))
self.onr_iznos_rate_label = Label(self.onr_top, text="Value:", font=("Helvetica", 11))
self.onr_datum_isplate_label = Label(self.onr_top, text="Final payment:", font=("Helvetica", 11))
self.onr_oznacena_rata_txt = Label(self.onr_top, text="", font=("Helvetica", 11))
self.onr_broj_rata_txt = Label(self.onr_top, text="", font=("Helvetica", 11))
self.onr_iznos_rate_txt = Label(self.onr_top, text="", font=("Helvetica", 11))
self.onr_datum_isplate_txt = Label(self.onr_top, text="", font=("Helvetica", 11))
self.onr_pl_pojed_btn = Button(self.onr_top, text="Pay selected", command=self.pay_selected)
def pay_selected(self):
p_description = self.onr_oznacena_rata_txt.cget("text")
num_of_installments = self.onr_broj_rata_txt.cget("text").split("/")
if int(num_of_installments[0])+1 >= int(num_of_installments[1]):
c.execute('DELETE FROM OTPLATA_NA_RATE WHERE Opis = ?', (p_description,))
conn.commit()
btn_to_del = self.dict_for_buttons[p_description]
btn_to_del.destroy()
self.dict_for_buttons.pop(p_description)
self.lista_opisa_rata.clear()
else:
target_3_novo = str(int(num_of_installments[0])+1) + "/" + num_of_installments[1]
c.execute('UPDATE OTPLATA_NA_RATE SET Broj_rata = ? WHERE Opis = ?', (target_3_novo, p_description,))
conn.commit()
self.get_description(p_description)
def get_description(self, opis):
c.execute('SELECT * FROM OTPLATA_NA_RATE WHERE Opis=?;', (opis,))
for x in c:
dodaj_godinu = 0
self.onr_oznacena_rata_txt.config(text=x[1])
self.onr_iznos_rate_txt.config(text=str(x[2]) + " kn")
self.onr_broj_rata_txt.config(text=x[3])
datum_racunanje = int(x[4].split("/")[1]) + int(x[3].split("/")[1])
while datum_racunanje > 12:
datum_racunanje -= 12
dodaj_godinu += 1
datum_isplate = str(datum_racunanje) + "/" + str(int(x[4].split("/")[2])+dodaj_godinu)
self.onr_datum_isplate_txt.config(text=datum_isplate)
def otplata_na_rate_deiconify(self):
# Otplata_na_rate TopLevel - define window:
self.master.withdraw()
self.onr_top.deiconify()
self.onr_label.grid(row=0, columnspan=3, sticky="NESW")
self.onr_opis_label.grid(row=0, column=5, sticky="NESW")
self.onr_oznacena_rata_label.grid(row=1, column=4, padx=5, sticky="E")
self.onr_broj_rata_label.grid(row=2, column=4, padx=5, sticky="E")
self.onr_iznos_rate_label.grid(row=3, column=4, padx=5, sticky="E")
self.onr_datum_isplate_label.grid(row=4, column=4, padx=5, sticky="E")
self.onr_oznacena_rata_txt.grid(row=1, column=5, padx=5, sticky="NSWE")
self.onr_broj_rata_txt.grid(row=2, column=5, padx=5, sticky="NSWE")
self.onr_iznos_rate_txt.grid(row=3, column=5, padx=5, sticky="NSWE")
self.onr_datum_isplate_txt.grid(row=4, column=5, padx=5, sticky="NSWE")
c.execute('SELECT Opis FROM OTPLATA_NA_RATE')
for opis in c:
self.lista_opisa_rata.append(opis[0])
column = 0
row = 1
for opis in self.lista_opisa_rata:
# Append function to button
function = lambda x=opis: self.get_description(x)
rata_button = Button(self.onr_top, text=opis, width=10, command=function)
rata_button.grid(row=row, column=column, padx=5, pady=5)
self.dict_for_buttons[opis] = rata_button
column += 1
if column == 3:
row += 1
column = 0
# Define placement of Button widget - created with loop
if row < 5:
row = 5
if row >= 5:
row += 1
self.onr_pl_pojed_btn.grid(row=row, column=5, padx=2, pady=5)
x = self.master.winfo_x()
y = self.master.winfo_y()
self.onr_top.geometry(f"+{x}+{y}")
root = Tk()
my_gui = FinancialCalc(root)
root.mainloop()
这是我重新创建的代码，所以你们可以理解我想要做什么：
from tkinter import *
root = Tk()
toplvl = Toplevel()
toplvl.withdraw()
toplvl.protocol("WM_DELETE_WINDOW", lambda: (root.deiconify(), toplvl.withdraw()))
button_id = dict()
def btn_destroy():
picked_btn = str(lbl_picked_btn.cget("text").split(":")[1]).rstrip()
if picked_btn != "":
txt = int(lbl.cget("text").split("/")[0]) + 1
lbl.config(text=str(txt) + "/3")
if txt == 3:
btn_to_del = button_id[int(picked_btn)]
btn_to_del.destroy()
lbl.config(text="0/3")
def btn_pick(x):
lbl_picked_btn.config(text="Button picked:"+str(x))
lbl_desc = Label(toplvl, text="Pick button and click Destroy 3 times to destroy it", font=("Helvetica", 11))
lbl_desc.grid(row=0, columnspan=4)
lbl_picked_btn = Label(toplvl, text="Button picked:", font=("Helvetica", 11))
lbl_picked_btn.grid(row=1, column=1, columnspan=2)
btn_d = Button(toplvl, width=10, text="Destroy", command=btn_destroy)
btn_d.grid(row=1, column=0)
lbl = Label(toplvl, text="0/3", font=("Helvetica", 11))
lbl.grid(row=1, column=3)
row = 2
column = 0
for i in range(5):
function = lambda x=i: btn_pick(x)
btn = Button(toplvl, width=10, text=str(i), command=function)
btn.grid(row=row, column=column)
button_id[i] = btn
column += 1
def top():
root.withdraw()
toplvl.deiconify()
start_btn = Button(root, text="Start", command=top)
start_btn.pack()
root.mainloop()
下面是bug图片：
第一张照片是删除前的样子
第二张图是当按钮被删除但仍未离开并进入 TopLevel 时窗口的样子
最后一张图片是窗口的样子，你可以看到关于按钮的部分
很抱歉这篇长篇文章和大量信息，但我只想解释一切:)