Python 如何将combobox小部件中的选项（符号）定义为（全局）变量？
我想直截了当地说，所以我首先要问我所有的问题Python 如何将combobox小部件中的选项（符号）定义为（全局）变量？,python,tkinter,combobox,Python,Tkinter,Combobox,我想直截了当地说，所以我首先要问我所有的问题 在Win1类中，我有一个组合框，我的问题是：是否有可能将条目/所选符号定义为变量，是否有可能将变量定义为全局变量，而不必重新定义类 这是我的第二个问题，目前与第一个问题的相关性较低 当这段代码运行时，会显示第一个窗口，然后是第二个窗口，依此类推。当将此代码转换为软件/应用程序/…时，软件是否会显示一个窗口而不是第二个窗口，或者所有内容都在一个窗口中 导入数学 导入matplotlib 将matplotlib.pyplot作为plt导入 从matplo
导入数学
导入matplotlib
将matplotlib.pyplot作为plt导入
从matplotlib.backends.backend_tkagg导入图CAVASTKAGG
从matplotlib.figure导入图形
matplotlib.use（'TkAgg'）
#------------------------------------------------------------------------------
进口tkinter
将tkinter作为tk导入
从tkinter导入ttk
将tkinter.font作为tkFont导入
将tkinter.ttk导入为ttk
从tkinter进口*
从tkinter.ttk导入组合框
#------------------------------------------------------------------------------
将numpy作为np导入
#------------------------------------------------------------------------------
作为pd进口熊猫
从导入数据帧
从pandas.compat导入StringIO
从pandas_datareader以web形式导入数据
#------------------------------------------------------------------------------
以yf形式导入yf财务
#------------------------------------------------------------------------------
从统计数据看进口意味着什么
#------------------------------------------------------------------------------
导入请求
#------------------------------------------------------------------------------
导入时间
从日期时间导入日期时间
起始日期时间导入日期
从日期时间导入时间增量
导入日历
#------------------------------------------------------------------------------
随机输入
#------------------------------------------------------------------------------
从alpha_vantage.timeseries导入timeseries
从alpha_vantage.techindicators导入techindicators
#------------------------------------------------------------------------------
导入系统
从matplotlib.backends.backend_tkagg导入（图CAVASTKAGG，导航工具栏2TK）
#实现默认的Matplotlib键绑定。
从matplotlib.backend\u base导入键\u按\u处理程序
#------------------------------------------------------------------------------
#符号='TSLA'
全局_symbol=”“#无
#combobox=“”
def onSymbolSelected（自，事件=无）：
全局符号
global_symbol=self.combobox.get（）#此假定组合是Win1的属性
def config_plot（）：
图，ax=plt.子批次（）
返回（图，ax）
类Win1：
定义初始（自我，主）：
self.master=master
自主几何学（“400x400”）
self.frame=tk.frame（self.master）
#符号=条目（根，文本=“”，bd=5）
#userInput1=StringVar（无）
#self.master=Entry（root，textvariable=userInput1）
#self.master.pack（）
SMI=['ROG.SW'、'NOVN.SW'、'NESN.SW'、'SRAIL.SW'、'ABB'、'ADEN.SW'、'ALC.SW'、'CSGN.SW'、'GEBN.SW'、'GIVN.SW'，
‘LONN.SW’、‘CFR.SW’、‘SIKA.SW’、‘UHR.SW’、‘SLHN.SW’、‘SREN.SW’、‘SCMN.SW’、‘UBSG.SW’、‘ZURN.SW’]
SMI.sort（）
纽约证券交易所=['NYSE:MMM'、'NYSE:AXP'、'NYSE:AAPL'、'NYSE:BA'、'NYSE:CAT'、'NYSE:CVX'、'NYSE:CSCO'、'NYSE:KO'、'NYSE:DOW'、'NYSE:XOM'，
‘纽约证券交易所：GS’、‘纽约证券交易所：HD’、‘纽约证券交易所：IBM’、‘纽约证券交易所：INTC’、‘纽约证券交易所：JNJ’、‘纽约证券交易所：JPM’、‘纽约证券交易所：MCD’、‘纽约证券交易所：MRK’、‘纽约证券交易所：MSFT’、‘纽约证券交易所：NKE’，
“NYSE:PFE”、“NYSE:PG”、“NYSE:RTX”、“NYSE:TRV”、“NYSE:UNH”、“NYSE:VZ”、“NYSE:V”、“NYSE:WMT”、“NYSE:WBA”、“NYSE:DIS”]
纽约证券交易所
DAX=['ETR:ADS'、'ETR:ALV'、'ETR:BAS'、'ETR:BAYN'、'ETR:BEI'、'ETR:BMW'、'ETR:CON'、'ETR:1COV'、'ETR:DAI'、'ETR:DBK'，
‘ETR:LHA’、‘ETR:DPW’、‘ETR:DTE’、‘ETR:EOAN’、‘ETR:FRE’、‘ETR:FME’、‘ETR:HEI’、‘ETR:HEN3’、‘ETR:IFX’、‘ETR:MTX’，
‘ETR:MUV2’、‘ETR:RWE’、‘ETR:SAP’、‘ETR:SIE’、‘ETR:VOW3’、‘ETR:VNA’、‘ETR:WDI’]
DAX.sort（）
Stockxx=[]
Stockxx.sort（）
symbol=['ROG.SW'、'SMI'、'NYSE'、'DAX'、'Stockxx']
symbol.sort（）
#symbol.current（）
#root=Tk（）
self.combobox=StringVar（）
self.combobox=ttk.combobox（主控，值=符号）
#def onSymbolSelected（自，事件=无）：
#全局符号
#全局_symbol=self.combobox.get（）
self.combobox.bind（“，onSymbolSelected）#onSymbolSelected）
#cb=ttk.Combobox（主控，值=符号）
#打印（var）
#请注意，这是StringVar ICU，而不是组合框ICCustomer。
#label_var=tk.label（textvariable=var）
#打印（标签）
#label_ICustVar.grid（行=3，列=3）
self.combobox.place（x=100，y=50）
button1=按钮（root，text=“单击此处”，fg='blue'，width=20，command=lambda:self.new_窗口（“2”，Win2））
按钮1.pack（侧面和底部），padx=15，pady=15）
#此假定组合是Win1的属性
#self.butnew（“Hauptfunktionen”，“2”，Win2）
#self.butnew（“Weitere Funktionen”，“3”，Win3）
self.quit=tk.Button（self.frame，text=f“关闭此窗口”，command=self.Close\u窗口）
self.quit.pack（）
self.frame.pack（）
印刷品（符号“asfjöasldkjflödas”）
印刷品（全球符号“ioöbajbo”）
def关闭_窗口（自）：
self.master.destroy（）
#def onSymbolSelected（自，事件=无）：
#全局符号
#global_symbol=self.combo.get（）#这个假设combo是Win1的一个属性
def butnew（自身、文本、编号、类别）：
按钮（self.frame，text=text，command=lambda:self.new\u窗口（编号，\u类））.pack（side='left'）
def新窗口（自身、编号、类别）：
self.new=tk.Toplev
import math
import matplotlib
import matplotlib.pyplot as plt
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.figure import Figure
matplotlib.use('TkAgg')
#------------------------------------------------------------------------------
import tkinter
import tkinter as tk
from tkinter import ttk
import tkinter.font as tkFont
import tkinter.ttk as ttk
from tkinter import *
from tkinter.ttk import Combobox
#------------------------------------------------------------------------------
import numpy as np
#------------------------------------------------------------------------------
import pandas as pd
from pandas import DataFrame
from pandas.compat import StringIO
from pandas_datareader import data as web
#------------------------------------------------------------------------------
import yfinance as yf
#------------------------------------------------------------------------------
from statistics import mean
#------------------------------------------------------------------------------
import requests
#------------------------------------------------------------------------------
import time
from datetime import datetime
from datetime import date
from datetime import timedelta
import calendar
#------------------------------------------------------------------------------
import random
#------------------------------------------------------------------------------
from alpha_vantage.timeseries import TimeSeries
from alpha_vantage.techindicators import TechIndicators
#------------------------------------------------------------------------------
import sys
from matplotlib.backends.backend_tkagg import (FigureCanvasTkAgg, NavigationToolbar2Tk)
# Implement the default Matplotlib key bindings.
from matplotlib.backend_bases import key_press_handler
#------------------------------------------------------------------------------
#symbol = 'TSLA'
global_symbol = ""#None
#combobox = ""
def onSymbolSelected(self,event = None):
global global_symbol
global_symbol = self.combobox.get() # this assume combo is a property of Win1
def config_plot():
fig, ax = plt.subplots()
return(fig, ax)
class Win1:
def __init__(self, master):
self.master = master
self.master.geometry("400x400")
self.frame = tk.Frame(self.master)
#symbol = Entry(root, text ='', bd=5)
#userInput1 = StringVar(None)
#self.master = Entry(root, textvariable=userInput1)
#self.master.pack()
SMI = ['ROG.SW','NOVN.SW','NESN.SW','SRAIL.SW','ABB','ADEN.SW','ALC.SW','CSGN.SW','GEBN.SW','GIVN.SW',
'LONN.SW','CFR.SW','SIKA.SW','UHR.SW','SLHN.SW','SREN.SW','SCMN.SW','UBSG.SW','ZURN.SW']
SMI.sort()
NYSE = ['NYSE:MMM','NYSE:AXP','NYSE:AAPL','NYSE:BA','NYSE:CAT','NYSE:CVX','NYSE:CSCO','NYSE:KO','NYSE:DOW','NYSE:XOM',
'NYSE:GS','NYSE:HD','NYSE:IBM','NYSE:INTC','NSYE:JNJ','NYSE:JPM','NYSE:MCD','NYSE:MRK','NYSE:MSFT','NYSE:NKE',
'NYSE:PFE','NYSE:PG','NYSE:RTX','NYSE:TRV','NYSE:UNH','NYSE:VZ','NYSE:V','NYSE:WMT','NYSE:WBA','NYSE:DIS']
NYSE.sort()
DAX = ['ETR:ADS','ETR:ALV','ETR:BAS','ETR:BAYN','ETR:BEI','ETR:BMW','ETR:CON','ETR:1COV','ETR:DAI','ETR:DBK',
'ETR:LHA','ETR:DPW','ETR:DTE','ETR:EOAN','ETR:FRE','ETR:FME','ETR:HEI','ETR:HEN3','ETR:IFX','ETR:MTX',
'ETR:MUV2','ETR:RWE','ETR:SAP','ETR:SIE','ETR:VOW3','ETR:VNA','ETR:WDI']
DAX.sort()
Stockxx = []
Stockxx.sort()
symbol = ['ROG.SW','SMI','NYSE','DAX','Stockxx']
symbol.sort()
#symbol.current()
#root= Tk()
self.combobox = StringVar()
self.combobox = ttk.Combobox(master, values = symbol)
#def onSymbolSelected(self, Event = None):
# global global_symbol
# global_symbol = self.combobox.get()
self.combobox.bind("<<ComboboxSelected>>", onSymbolSelected)#onSymbolSelected)
#cb = ttk.Combobox(master, values = symbol)
#print(var)
# note that this is the StringVar ICUS, not the combobox ICUSTOMER.
#label_var = tk.Label( textvariable= var)
#print(label_var)
#label_ICustVar.grid(row = 3, column = 3)
self.combobox.place(x=100, y=50)
button1 = Button(root, text="Click Here", fg = 'blue', width=20, command = lambda: self.new_window("2", Win2))
button1.pack(side='bottom',padx=15,pady=15)
# this assume combo is a property of Win1
#self.butnew("Hauptfunktionen", "2", Win2)
#self.butnew("Weitere Funktionen", "3", Win3)
self.quit = tk.Button(self.frame, text = f"Close this window", command = self.close_window)
self.quit.pack()
self.frame.pack()
print(symbol,"asfjöasldkjflödas")
print(global_symbol,"ioöbajbo")
def close_window(self):
self.master.destroy()
#def onSymbolSelected(self,event = None):
# global global_symbol
# global_symbol = self.combo.get() # this assume combo is a property of Win1
def butnew(self, text, number, _class):
tk.Button(self.frame, text = text, command= lambda: self.new_window(number, _class)).pack(side='left')
def new_window(self, number, _class):
self.new = tk.Toplevel(self.master)
_class(self.new, number)
class Win2:
def __init__(self, master, number):
self.master = master
self.master.geometry("1080x540")
self.frame = tk.Frame(self.master)
self.frame = Frame(self.master)
self.fig, self.ax = config_plot()
self.graphIndex = 0
self.canvas = FigureCanvasTkAgg(self.fig, self.master)
self.config_window()
self.quit = tk.Button(self.frame, text = f"Close this window", command = self.close_window)
self.quit.pack(side=LEFT)
self.draw_graph_one()
self.butnew("Weitere Funktionen", "3", Win3)
self.frame.pack(expand=YES, fill=BOTH)
def butnew(self, text, number, _class):
tk.Button(self.frame, text = text, command= lambda: self.new_window(number, _class)).pack(side='left')
def new_window(self, number, _class):
self.new = tk.Toplevel(self.master)
_class(self.new, number)
def draw_graph_one(self):
ts = TimeSeries(key='YOUR_API_KEY',output_format='pandas')
data1, meta_data1 = ts.get_monthly(symbol=global_symbol)
df1 = data1['4. close']
self.ax.clear()
self.ax.plot(df1)
self.ax.set(title='Historical Chart')
self.canvas.draw()
#------------------------------------------------------------------------fertig
def draw_graph_two(self):
ts = TimeSeries(key='YOUR_API_KEY',output_format='pandas')
data2, meta_data2 = ts.get_intraday(symbol=global_symbol, interval='1min', outputsize='compact')
df2 = data2['4. close']
self.ax.clear()
self.ax.plot(df2)
self.ax.set(title='Intraday')
self.canvas.draw()
#------------------------------------------------------------------------fertig
def draw_graph_three(self):
ti = TechIndicators(key='YOUR_API_KEY',output_format='pandas')
data3, meta_data3 = ti.get_bbands(symbol=global_symbol, interval='15min', time_period=30)
df3 = data3
ts = TimeSeries(key='YOUR_API_KEY',output_format='pandas')
data2, meta_data2 = ts.get_intraday(symbol=global_symbol, interval='15min', outputsize='full')
df2 = data2['4. close']
self.ax.clear()
self.ax.plot(df2, linestyle='-.')
self.ax.plot(df3)
self.ax.set(title='Bollinger Bands')
self.canvas.draw()
#------------------------------------------------------------------------fertig
def draw_graph_four(self):
ti = TechIndicators(key='YOUR_API_KEY',output_format='pandas')
data44, meta_data44 = ti.get_sma(symbol=global_symbol, interval='30min', time_period=60)
df44 = data44
ts = TimeSeries(key='YOUR_API_KEY',output_format='pandas')
data1, meta_data1 = ts.get_intraday(symbol=global_symbol, interval='30min', outputsize='full')
df1 = data1['4. close']
self.ax.clear()
self.ax.plot(df1)#, color='yellow')
self.ax.plot(df44)#, color='black')
self.ax.set(title='Simple Moving Average')
self.canvas.draw()
#------------------------------------------------------------------------fertig
def draw_graph_five(self):
ts = TimeSeries(key='YOUR_API_KEY',output_format='pandas')
data1, meta_data1 = ts.get_monthly(symbol=global_symbol)#, interval='1min', outputsize='full')
df1 = data1['4. close']
ts = TimeSeries(key='YOUR_API_KEY',output_format='pandas')
dataG, meta_dataG = ts.get_monthly(symbol='UCITS ETF')#, interval='1min', outputsize='full')
dG = dataG['4. close']
self.ax.clear()
self.ax.plot(df1)
self.ax.plot(dG)
self.ax.set(title='Comparision with Global Index')
self.canvas.draw()
#------------------------------------------------------------------------------
def draw_graph_six(self):
ti = TechIndicators(key='YOUR_API_KEY',output_format='pandas')
data23, meta_data23 = ti.get_cci(symbol=global_symbol, interval='30min', time_period=60)
df23 = data23
self.ax.clear()
self.ax.plot(df23)
self.ax.set(title='Commodity Channel Index')
self.canvas.draw()
#------------------------------------------------------------------------fertig
def draw_graph_seven(self):
ti = TechIndicators(key='YOUR_API_KEY',output_format='pandas')
data13, meta_data23 = ti.get_dx(symbol=global_symbol, interval='30min', time_period=60)
df13 = data13
self.ax.clear()
self.ax.plot(df13)
self.ax.set(title='Directional Movement Index')
self.canvas.draw()
#------------------------------------------------------------------------------
def draw_graph_eight(self):
self.ax.clear()
self.ax.plot()
self.ax.set(title='Further Information')
self.canvas.draw()
#------------------------------------------------------------------------------
def draw_graph_nine(self):
self.ax.clear()
self.ax.plot()
self.ax.set(title='Further Information')
self.canvas.draw()
def on_key_press(event):
print("you pressed {}".format(event.key))
key_press_handler(event, self.canvas, toolbar)
def config_window(self):
self.canvas.mpl_connect("key_press_event", self.on_key_press)
toolbar = NavigationToolbar2Tk(self.canvas, self.master)
toolbar.update()
self.canvas.get_tk_widget().pack(side=TOP, fill=BOTH, expand=1)
self.button_switch1 = Button(self.master, text="Historical Chart", command=self.draw_graph_one)
self.button_switch1.pack(side=LEFT)
self.button_switch2 = Button(self.master, text="Intraday", command=self.draw_graph_two)
self.button_switch2.pack(side=LEFT)
self.button_switch3 = Button(self.master, text="Bollinger Bands", command=self.draw_graph_three)
self.button_switch3.pack(side=LEFT)
self.button_switch4 = Button(self.master, text="SMA", command=self.draw_graph_four)
self.button_switch4.pack(side=LEFT)
self.button_switch5 = Button(self.master, text="Comparison with Index", command=self.draw_graph_five)
self.button_switch5.pack(side=LEFT)
self.button_switch6 = Button(self.master, text="CCI", command=self.draw_graph_six)
self.button_switch6.pack(side=LEFT)
self.button_switch7 = Button(self.master, text="DX", command=self.draw_graph_seven)
self.button_switch7.pack(side=LEFT)
self.button_switch8 = Button(self.master, text="Technical Analysis", command=self.draw_graph_eight)
self.button_switch8.pack(side=LEFT)
self.button_switch9 = Button(self.master, text="Technical Analysis", command=self.draw_graph_nine)
self.button_switch9.pack(side=LEFT)
def close_window(self):
self.master.destroy()
class Win3:
def __init__(self, master, number):
self.master = master
self.master.geometry("1080x540")
self.frame = tk.Frame(self.master)
#self.frame = Frame(self.master)
self.fig, self.ax = config_plot()
self.graphIndex = 0
self.canvas = FigureCanvasTkAgg(self.fig, self.master)
self.config_window()
self.quit = tk.Button(self.frame, text = f"Close this window", command = self.close_window)
self.quit.pack(side=LEFT)
self.frame.pack(expand=YES, fill=BOTH)
def on_key_press(event):
print("you pressed {}".format(event.key))
key_press_handler(event, self.canvas, toolbar)
def config_window(self):
self.canvas.mpl_connect("key_press_event", self.on_key_press)
toolbar = NavigationToolbar2Tk(self.canvas, self.master)
toolbar.update()
self.canvas.get_tk_widget().pack(side=TOP, fill=BOTH, expand=1)
def close_window(self):
f.master.destroy()
root = tk.Tk()
app = Win1(root)
root.mainloop()
self.combo = ttk.Combobox(master, values = symbol)
self.combo.bind("<<ComboboxSelected>>", onSymbolSelected)
global_symbol = None
def onSymbolSelected(self,event = None)
global global_symbol
global_symbol = self.combo.get() # this assume combo is a property of Win1