Question

我正在创建一个小应用程序，它将从用户处获取有关银行交易的详细信息，然后将其显示在表格中。我目前正在使用CSV文件存储数据，然后在放入新数据时，它也会显示。

我有一个标签列表，然后在它们底部有一个按钮来提交新条目。我得到的问题是当表的长度超过它开始时的显示错误。

class accountant(tk.Frame):
    def __init__(self, master=None):
        tk.Frame.__init__(self, master)
        master.title("Accountant")
        self.pack()
        self.numIncoming = 0
        self.numOutgoing = 0
        self.incoming = fs.fileStore("incoming", "csv")
        print("log: incoming.csv opened sucessfully")
        self.outgoing = fs.fileStore("outgoing", "csv")
        print("log: outgoing.csv opened sucessfully")
        self.setup()

    def setup(self):


        self.paint()
        self.incomingData()

        self.outgoingData()

        self.newEntryButtons()




    def paint(self): 
        tk.Label(self, width=45, text="incoming").grid(row=1, column=0, columnspan=45)
        tk.Label(self, width=45, text="outgoing").grid(row=1, column=45, columnspan=45)

        tk.Label(self, width=15, text="Date").grid(row=2, column=0, columnspan=15)
        tk.Label(self, width=15, text="Transaction Name").grid(row=2, column=15, columnspan=15)
        tk.Label(self, width=15, text="Amount").grid(row=2, column=30, columnspan=15)

        tk.Label(self, width=15, text="Date").grid(row=2, column=45, columnspan=15)
        tk.Label(self, width=15, text="Transaction Name").grid(row=2, column=60, columnspan=15)
        tk.Label(self, width=15, text="Amount").grid(row=2, column=75, columnspan=15)

    def incomingData(self):
        self.incoming.closeFile()
        self.incoming.openFile()

        i = 3
        for cell in self.incoming.reader:
        #cell[0] = Date, cell[1]= Transaction Name, cell[2] =amount
            tk.Label(self, width=15, text=cell[0]).grid(row=i, column=0, columnspan=15)
            tk.Label(self, width=15, text=cell[1]).grid(row=i, column=15, columnspan=15)
            tk.Label(self, width=15, text=cell[2]).grid(row=i, column=30, columnspan=15)
            i += 1

        self.numIncoming = i
        print("incoming:", self.numIncoming-3)  
        print("outgoing:", self.numOutgoing-3)


    def outgoingData(self):
        self.outgoing.closeFile()
        self.outgoing.openFile()
        i = 3
        for cell in self.outgoing.reader:
        #cell[0] = Date, cell[1]= Transaction Name, cell[2] =amount
            tk.Label(self, width=15, text=cell[0]).grid(row=i, column=45, columnspan=15)
            tk.Label(self, width=15, text=cell[1]).grid(row=i, column=60, columnspan=15)
            tk.Label(self, width=15, text=cell[2]).grid(row=i, column=75, columnspan=15)
            i += 1
        self.numOutgoing = i
        print("incoming:", self.numIncoming-3)
        print("outgoing:", self.numOutgoing-3, '\n\n')



    def newEntryButtons(self):
        if(self.numIncoming < self.numOutgoing):
            tk.Button(self, text="new incoming", width=45, command=lambda: self.newEntry(self.incoming)).grid(row=self.numOutgoing, column=0, columnspan=45)
            tk.Button(self, text="new outgoing", width=45, command=lambda: self.newEntry(self.outgoing)).grid(row=self.numOutgoing, column=45, columnspan=45)
        else:
            tk.Button(self, text="new incoming", width=45, command=lambda: self.newEntry(self.incoming)).grid(row=self.numIncoming, column=0, columnspan=45)
            tk.Button(self, text="new outgoing", width=45, command=lambda: self.newEntry(self.outgoing)).grid(row=self.numIncoming, column=45, columnspan=45)

    def newEntry(self, inFile):
        win = tk.Toplevel()

        self.newName = tk.StringVar()
        self.newDate = tk.StringVar()
        self.newAmount = tk.StringVar()


        tk.Label(win, width=5, text="Name:").grid(row=0, column=0, columnspan=5)
        tk.Entry(win, textvariable=self.newName).grid(row=0, column=5, columnspan=5)

        tk.Label(win, width=5, text="date:").grid(row=1, column=0, columnspan=5)
        tk.Entry(win, textvariable = self.newDate).grid(row=1, column=5, columnspan=5)

        tk.Label(win, width=5, text="amount: £").grid(row=2, column=0, columnspan=5)
        tk.Entry(win, textvariable=self.newAmount).grid(row=2, column=5, columnspan=5)

        button = tk.Button(win, text="submit", width=5, command= lambda: self.submit(win, inFile))
        button.grid(row=5, column=5, columnspan=5)

    def submit(self, win, inFile):
        with open(inFile.file, 'a') as f:
            string= '\n'+self.newName.get() + ',' + self.newDate.get() + ',' + self.newAmount.get()
            f.write(string)
        if inFile.fileName == "incoming":
            self.numIncoming += 1
        #   print("incoming:", self.numIncoming-3)
        #   print("outgoing:", self.numOutgoing-3)
        else:
            self.numOutgoing += 1
            print("outgoing:", self.numOutgoing-3)
        win.destroy()
        self.setup()

filestore只是一个基本上打开csv的类 reader = csv.reader(open(file+'.'fileExt))其中file和fileExt是传入的参数。

这是新条目之后的图像。底部的两个按钮应该保持不变，前两个按钮应该在左列中，而在右列中只有空格 Image after new entry

Answer 1

将self.pack（）替换为self.grid（）。要将标签更改为按钮，您还必须定义按下按钮时执行的命令功能，请参阅下面的代码

bttn = tk.Button(self, text = "buttontitle",  command = self.do_function )
bttn.grid(row = 14, column = 4, sticky = W)


def do_function():
    print "HI"

Tkinter显示按钮而不是Label

1 个答案: