这是一个具有多个屏幕的应用程序，我想根据需要在屏幕上放置小部件，应该使用包装，网格或放置哪种方法？
import matplotlib
matplotlib.use('TkAgg')
import numpy as np
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.figure import Figurefrom tkinter import *
Large_Font=("Times New Roman", 12)
month_list = []
amount_list = []
class wholescreen(Tk):
def __init__(self, *args, **kwargs):
Tk.__init__(self, *args, **kwargs)
container = Frame(self)
container.pack(side="top", fill="both", expand=True)
container.grid_rowconfigure(0, weight=1)
container.grid_columnconfigure(0, weight=1)
self.frames = {}
for F in (HomeScreen, EntryScreen, GraphScreen, MapScreen):
frame=F(container, self)
self.frames[F]=frame
frame.grid(row=0, column=0, sticky="nsew")
self.show_frame(HomeScreen)
def show_frame(self, cont):
frame=self.frames[cont]
frame.tkraise()
class HomeScreen(Frame):
def __init__(self, parent, controller):
Frame.__init__(self, parent)
HomeScreen.configure(self, bg="light blue")
def getInput():
name = nameText.get()
address = addressText.get()
phone=phoneText.get()
info.append(name)
info.append(address)
info.append(phone)
print(info)
nameText.delete(0, END)
addressText.delete(0, END)
phoneText.delete(0, END)
mainFrame=(self)
mainFrame.pack(anchor=NW)
titleLabel = Label(mainFrame, text="DISEASE TRACKER APP", bg="light blue")
titleLabel.pack(side=TOP, anchor=N)
labelFrame=Frame(mainFrame, bg="light blue")
labelFrame.pack(side=LEFT, anchor=W)
textFrame=Frame(mainFrame)
textFrame.pack(side=LEFT, anchor=CENTER)
buttonFrame=Frame(mainFrame)
buttonFrame.pack(side=BOTTOM, anchor=SW)
nameLabel = Label(labelFrame, text="Clinic Name", bg="light blue")
nameLabel.pack(anchor=W)
addressLabel = Label(labelFrame, text="Clinic Address", bg="light blue")
addressLabel.pack(anchor=W)
phoneLabel = Label(labelFrame, text="Clinic Phone Number", bg="light blue")
phoneLabel.pack(anchor=W)
nameText = Entry(textFrame, bg="light blue")
nameText.pack(anchor=W)
addressText = Entry(textFrame, bg="light blue")
addressText.pack(anchor=W)
phoneText = Entry(textFrame, bg="light blue")
phoneText.pack(anchor=W)
info = []
saveButton=Button(buttonFrame, text="SAVE", command=getInput)
saveButton.pack(side=LEFT, anchor=W)
nextButton=Button(buttonFrame, text="NEXT", command=lambda: controller.show_frame(EntryScreen))
nextButton.pack(side=LEFT, anchor=W)
class EntryScreen(Frame):
def __init__(self, parent, controller):
Frame.__init__(self, parent)
EntryScreen.configure(self, bg="light blue")
mainFrame = Frame(self)
mainFrame.pack(anchor=NW)
spinFrame= (mainFrame)
spinFrame.pack(side=LEFT, anchor=W)
chooseFrame=(mainFrame)
chooseFrame.pack(side=LEFT, anchor=W)
buttonFrame=Frame(mainFrame)
buttonFrame.pack(side=LEFT, anchor=SW)
button1Frame=Frame(mainFrame)
button1Frame.pack(side=BOTTOM, anchor=SW)
spinLabel = Label(spinFrame, text="Choose Month", bg="light blue")
spinLabel.pack(anchor=W)
spin=Spinbox(chooseFrame, values=('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'))
spin.pack(anchor=W)
diseaseLabel = Label(spinFrame, text="Choose a Disease", bg="light blue")
diseaseLabel.pack(anchor=W)
diseaseSpin=Spinbox(chooseFrame, values=('Flu', 'malaria'))
diseaseSpin.pack(anchor=W)
textLabel = Label(spinFrame, text="Enter the amount", bg="light blue")
textLabel.pack(anchor=W)
textBox = Entry(chooseFrame)
textBox.pack(anchor=W)
def press():
month = spin.get()
amount = int(textBox.get())
amount_list.append(amount)
month_list.append(month)
print(month_list, amount_list)
textBox.delete(0, END)
AddButton = Button(buttonFrame, text="ADD", command=press)
AddButton.pack(side=LEFT, anchor=W)
DisplayButton = Button(buttonFrame, text="DISPLAY")
DisplayButton.pack(side=LEFT, anchor=W)
ResetButton = Button(buttonFrame, text="RESET")
ResetButton.pack(side=LEFT, anchor=W)
graphButton = Button(button1Frame, text="GRAPH", command=lambda: controller.show_frame(GraphScreen))
graphButton.pack(side=LEFT, anchor=W)
backButton=Button(button1Frame, text="BACK", command=lambda: controller.show_frame(HomeScreen))
backButton.pack(side=LEFT, anchor=W)
homeButton=Button(button1Frame, text="HOME", command=lambda: controller.show_frame(HomeScreen))
homeButton.pack(side=LEFT, anchor=W)
class GraphScreen(Frame):
def __init__(self, parent, controller):
Frame.__init__(self, parent)
GraphScreen.configure(self, bg="light blue")
months = np.array(month_list)
amount = np.array(amount_list)
fig = Figure(figsize=(6, 6), dpi=100)
fig.patch.set_facecolor('lightblue')
a = fig.add_subplot(1,1,1) #axisbg='light blue')
a.scatter(months, amount, color='red')
a.set_title ("Monthly Entry", fontsize=16)
a.set_ylabel("number of patients", fontsize=12)
a.set_xlabel("months", fontsize=14)
a.set_facecolor('blue')
canvas = FigureCanvasTkAgg(fig, self)
canvas.get_tk_widget().pack(side=BOTTOM, fill=BOTH, expand=True)
canvas.draw()
backButton = Button(self, text="BACK", command=lambda: controller.show_frame(EntryScreen))
backButton.pack(side=LEFT)
mapButton=Button(self, text="MAP", command=lambda: controller.show_frame(MapScreen))
mapButton.pack(side=LEFT)
homeButton=Button(self, text="HOME", command=lambda: controller.show_frame(HomeScreen))
homeButton.pack(side=LEFT)
class MapScreen(Frame):
def __init__(self, parent, controller):
Frame.__init__(self, parent)
MapScreen.configure(self, bg="light blue")
backButton = Button(self, text="Reset Data", fg="green", font="bold", bg="yellow", command=lambda: controller.show_frame(GraphScreen))
backButton.pack()
homeButton=Button(self, text="HOME", fg="green", font="bold", bg="yellow", command=lambda: controller.show_frame(HomeScreen))
homeButton.pack()
app=wholescreen()
app.mainloop()