Tkinter绘制股票K线图

    def create_subwindow(self):
        t = ttk.Toplevel()
        t.wm_title("K线图")
        sub_window = SubWindiw()
        sub_window.subWindow(t)

class SubWindiw:
    def __init__(self):
        pass
    def all_files(self):
      ...
    def getDate(self):
      ...
    def subWindow(self, root_frame):
      ...
    def go(self):
      ...

    def subWindow(self, root_frame):
        file_list = self.all_files()

        # 创建主框架
        main_frame = ttk.Frame(root_frame)
        main_frame.pack()

        # 在主框架下创建股票日期输入框子框架
        date_frame = ttk.Frame(main_frame, relief=tix.SUNKEN)
        date_frame.pack(fill=X, side=TOP)
        # 创建标签‘开始日期’
        date_start_label = ttk.Label(date_frame, text='开始日期')
        date_start_label.pack(side=LEFT)
        # 创建开始日期代码输入框
        re_date = self.getDate()
        self.de_start = ttk.DateEntry(date_frame, startdate=re_date)
        self.de_start.pack(side=LEFT, padx=4, pady=4)
        # 创建标签‘结束日期’
        date_end_label = ttk.Label(date_frame, text='结束日期')
        date_end_label.pack(side=LEFT)
        # 创建结束日期代码输入框
        self.de_end = ttk.DateEntry(date_frame)
        self.de_end.pack(side=LEFT, padx=4, pady=4)

        # 在主框架下创建查询按钮子框架
        search_frame = ttk.Frame(main_frame, relief=tix.SUNKEN)
        search_frame.pack(fill=X, side=TOP)
        # 文件选择框
        search_label = ttk.Label(search_frame, text='选择股票文件')
        search_label.pack(side=LEFT)
        values = file_list
        self.cbo = ttk.Combobox(
            master=search_frame,
            values=values,
            width=45,
        )
        self.cbo.pack(side=LEFT, expand=YES, pady=5, fill=X)

        # 占位 check button
        cb = ttk.Checkbutton(search_frame, text="占位")
        # cb.pack(side=LEFT, padx=5, fill=X)

        # 创建查询按钮并设置功能
        stock_find = ttk.Button(search_frame, text='查询', command=self.go)
        stock_find.pack(pady=4, expand=YES, side=LEFT)

        # 创建股票图形输出框架
        self.stock_graphics = tk.Frame(root_frame, relief=tix.RAISED)
        self.stock_graphics.pack(expand=1, fill=tix.BOTH, anchor=tix.CENTER)

    def all_files(self):
        file_list = []
        for root, dirs, files in os.walk("./"):
            for f in files:
                if 'csv' in f and 'days' in f:
                    file_list.append(f)
        return file_list

    def getDate(self):
        today = datetime.datetime.now()
        offset = datetime.timedelta(days=-1)
        re_date = (today + offset).strftime('%Y/%m/%d')
        return today + offset

    def go(self):
        code_name = self.cbo.get()
        start_date = self.de_start.entry.get()
        end_date = self.de_end.entry.get()
        gupiao_file = self.cbo.get()
        if not gupiao_file:
            messbox.showerror("股票文件为空", "请选择股票数据文件！")
            return
        stock_data = pd.read_csv(gupiao_file)
        data = stock_data.loc[:, ['时间', '开盘价',
                                  '收盘价', '最高价', '最低价', '成交量（手）']]  # ：取所有行数据，后面取date列，open列等数据
        data = data.rename(columns={'时间': 'Date', '开盘价': 'Open',
                                    '收盘价': 'Close', '最高价': 'High', '最低价': 'Low',
                                    '成交量（手）': 'Volume'})  # 更换列名，为后面函数变量做准备
        data.set_index('Date', inplace=True)  # 设置date列为索引，覆盖原来索引,这个时候索引还是 object 类型，就是字符串类型。
        # 将object类型转化成 DateIndex 类型，pd.DatetimeIndex 是把某一列进行转换，同时把该列的数据设置为索引 index。
        data.index = pd.DatetimeIndex(data.index)
        data = data.sort_index(ascending=True)  # 将时间顺序升序，符合时间序列
        data = data[data.index < end_date][data.index > start_date]

        if not data.values.any():
            print("股票数据为空")
            messbox.showerror("股票数据为空", "请选择合理的时间！")
            return
        my_color = mpf.make_marketcolors(up='r',
                                         down='g',
                                         edge='inherit',
                                         wick='inherit',
                                         volume='inherit')
        # 设置图表的背景色
        my_style = mpf.make_mpf_style(marketcolors=my_color,
                                      figcolor='#002B36',
                                      facecolor='#002B36',
                                      edgecolor='w',
                                      # gridcolor='(0.82, 0.83, 0.85)',
                                      rc={'font.family': 'SimHei',
                                          'xtick.labelcolor': 'white',
                                          'ytick.labelcolor': 'white',
                                          'axes.labelcolor': 'white',
                                          })
        self.fig, self.axlist = mpf.plot(data, style=my_style, type='candle',
                                         mav=(5, 10, 20), volume=True, show_nontrading=False, returnfig=True)
        canvas = FigureCanvasTkAgg(self.fig, master=self.stock_graphics)  # 设置tkinter绘制区
        if len(self.stock_graphics.winfo_children()) == 2:
            self.stock_graphics.winfo_children()[0].destroy()
        canvas.draw()

        canvas._tkcanvas.pack(side=BOTTOM, fill=BOTH, expand=1)

self.fig, self.axlist = mpf.plot(data, style=my_style, type='candle',
                                         mav=(5, 10, 20), volume=True, show_nontrading=False, returnfig=True)