在Tkinter

Question

我想从CSV文件中加载大约有20,000条记录的数据，并希望以可滚动的表格格式在tkinter中显示它。我使用了画布，标签，网格和滚动条来实现这一目标。但是，它可以在Tkinter中仅加载大约100-300条记录而不会挂起。可能的原因是什么？我发现通过CSV解析不是罪魁祸首。它是画布和可滚动区域吗？ Tkinter能否将大量数据显示为表格？

class Table(Frame):
    def __init__(self, parent, csv_data, start=0):
        Frame.__init__(self, parent, background="#EEEEEE", height=400)
        self._widgets = []
        self._canvas = Canvas(self, width=1300, height=500)
        self._canvas.grid(row=0, column=0, sticky="news")  # changed
        self._vertical_bar = Scrollbar(self, orient="vertical", command=self._canvas.yview)
        self._vertical_bar.grid(row=0, column=1, sticky="ns")
        self._canvas.configure(yscrollcommand=self._vertical_bar.set)

        self._horizontal_bar = Scrollbar(self, orient="horizontal", command=self._canvas.xview)
        self._horizontal_bar.grid(row=1, column=0, sticky="we")
        self._canvas.configure(xscrollcommand=self._horizontal_bar.set)
        self.frame = Frame(self._canvas)
        self._canvas.create_window((0, 0), window=self.frame, anchor="nw")
        self.frame.bind("<Configure>", self.resize)

        lineNum = start-1;
        for row in csv_data:
            print(lineNum)
            lineNum += 1;
            if lineNum < start:
                continue;
            if lineNum == start+200:
                break;
            current_row = []
            #index
            for column in range(len(row)+1):
                v = StringVar()
                label = Label(self.frame, textvariable=v)
                label.config(font=("Calibri", 10), background="white",highlightcolor='white', highlightbackground='white', borderwidth=0)
                label.grid(row=lineNum, column=column+1, sticky="nsew", padx=1, pady=1)
                current_row.append(label)
                if column == 0:
                    v.set(lineNum)
                else:
                    v.set(row[column-1])

            self._widgets.append(current_row)

        for column in range(lineNum):
            self.grid_columnconfigure(column, weight=1)

    def resize(self, event=None):
        self._canvas.configure(scrollregion=self._canvas.bbox("all"))
        #self._canvas.itemconfig(self.frame, height=500, width=1300)
        #self.__canvas.itemconfigure("self.frame", width=1300)

    def set(self, row, column, value):
        widget = self._widgets[row][column]
        widget.configure(text=value)