省时省力！这大概是用Python写下GUI最快的方式了！

--===--- Loop taking in user input and using it --- #

command_history = []

history_offset = 0

while True:

event, value = window.read()

if event == 'SEND':

query = value['query'].rstrip()

# EXECUTE YOUR COMMAND HERE

print('The command you entered was {}'.format(query))

command_history.append(query)

history_offset = len(command_history)-1

# manually clear input because keyboard events blocks clear

window['query'].update('')

window['history'].update(''.join(command_history[-3:]))

elif event in (sg.WIN_CLOSED, 'EXIT'): # quit if exit event or X

break

elif 'Up' in event and len(command_history):

command = command_history[history_offset]

# decrement is not zero

history_offset -= 1 * (history_offset> 0)

window['query'].update(command)

elif 'Down' in event and len(command_history):

# increment up to end of list

history_offset += 1 * (history_offset

command = command_history[history_offset]

window['query'].update(command)

elif 'Escape' in event:

window['query'].update('')

ChatBotWithHistory()

直通一下，再来效果：

这是一个带本世纪的留言板软件，如果你须要来作一个类似的软件的话，可以并不需要复制代码，然后稍微改动一下。

子系统多心

我们再来看一个例证：

#!/usr/bin/env python

"""

Example of (almost) all Elements, that you can use in PySimpleGUI.

Shows you the basics including:

Naming convention for keys

Menubar format

Right click menu format

Table format

Running an async event loop

Theming your application (requires a window restart)

Displays the values dictionary entry for each element

And more!

Copyright 2021 PySimpleGUI

"""

import PySimpleGUI as sg

def make_window(theme):

sg.theme(theme)

menu_def = [['CompanyApplication', ['ECompanyxit']],

['CompanyHelp', ['CompanyAbout']] ]

right_click_menu_def = [[], ['Nothing','More Nothing','Exit']]

# Table Data

data = [["John", 10], ["Jen", 5]]

headings = ["Name", "Score"]

input_layout = [[sg.Menu(menu_def, key='-MENU-')],

[sg.Text('Anything that requires user-input is in this tab!')],

[sg.Input(key='-INPUT-')],

[sg.Slider(orientation='h', key='-SKIDER-'),

sg.Image(data=sg.DEFAULT曲在LOADING_GIF, enable_events=True, key='-GIF-IMAGE-'),],

[sg.Checkbox('Checkbox', default=True, k='-CB-')],

[sg.Radio('Radio1', "RadioDemo", default=True, size=(10,1), k='-R1-'), sg.Radio('Radio2', "RadioDemo", default=True, size=(10,1), k='-R2-')],

[sg.Combo(values=('Combo 1', 'Combo 2', 'Combo 3'), default_value='Combo 1', readonly=True, k='-COMBO-'),

sg.OptionMenu(values=('Option 1', 'Option 2', 'Option 3'), k='-OPTION MENU-'),],

[sg.Spin([i for i in range(1,11)], initial_value=10, k='-SPIN-'), sg.Text('Spin')],

[sg.Multiline('Demo of a Multi-Line Text Element!Line 2Line 3Line 4Line 5Line 6Line 7You get the point.', size=(45,5), k='-MLINE-')],

[sg.Button('Button'), sg.Button('Popup'), sg.Button(image_data=sg.DEFAULT曲在ICON, key='-LOGO-')]]

asthetic_layout = [[sg.T('Anything that you would use for asthetics is in this tab!')],

[sg.Image(data=sg.DEFAULT曲在ICON, k='-IMAGE-')],

[sg.ProgressBar(1000, orientation='h', size=(20, 20), key='-PROGRESS BAR-'), sg.Button('Test Progress bar')]]

logging_layout = [[sg.Text("Anything printed will display here!")], [sg.Output(size=(60,15), font='Courier 8')]]

graphing_layout = [[sg.Text("Anything you would use to graph will display here!")],

[sg.Graph((200,200), (0,0),(200,200),background_color="black", key='-GRAPH-', enable_events=True)],

[sg.T('Click anywhere on graph to draw a circle')],

[sg.Table(values=data, headings=headings, max_col_width=25,

background_color='black',

auto_size_columns=True,

display_row_numbers=True,

justification='right',

num_rows=2,

alternating_row_color='black',

key='-TABLE-',

row_height=25)]]

specalty_layout = [[sg.Text("Any "special" elements will display here!")],

[sg.Button("Open Folder")],

[sg.Button("Open File")]]

theme_layout = [[sg.Text("See how elements look under different themes by choosing a different theme here!")],

[sg.Listbox(values = sg.theme_list(),

size =(20, 12),

key ='-THEME LISTBOX-',

enable_events = True)],

[sg.Button("Set Theme")]]

layout = [[sg.Text('Demo Of (Almost) All Elements', size=(38, 1), justification='center', font=("Helvetica", 16), relief=sg.RELIEF_RIDGE, k='-TEXT HEADING-', enable_events=True)]]

layout +=[[sg.TabGroup([[ sg.Tab('Input Elements', input_layout),

sg.Tab('Asthetic Elements', asthetic_layout),

sg.Tab('Graphing', graphing_layout),

sg.Tab('Specialty', specalty_layout),

sg.Tab('Theming', theme_layout),

sg.Tab('Output', logging_layout)]], key='-TAB GROUP-')]]

return sg.Window('All Elements Demo', layout, right_click_menu=right_click_menu_def)

def main():

window = make_window(sg.theme())

# This is an Event Loop

while True:

event, values = window.read(timeout=100)

# keep an animation running so show things are happening

window['-GIF-IMAGE-'].update_animation(sg.DEFAULT曲在LOADING_GIF, time_between_frames=100)

if event not in (sg.TIMEOUT_EVENT, sg.WIN_CLOSED):

print('============ Event = ', event, ' ==============')

print('-------- Values Dictionary (key=value) --------')

for key in values:

print(key, ' = ',values[key])

if event in (None, 'Exit'):

print("[LOG] Clicked Exit!")

break

elif event == 'About':

print("[LOG] Clicked About!")

sg.popup('PySimpleGUI Demo All Elements',

'Right click anywhere to see right click menu',

'Visit each of the tabs to see available elements',

'Output of event and values can be see in Output tab',

'The event and values dictionary is printed after every event')

elif event == 'Popup':

print("[LOG] Clicked Popup Button!")

sg.popup("You pressed a button!")

print("[LOG] Dismissing Popup!")

elif event == 'Test Progress bar':

print("[LOG] Clicked Test Progress Bar!")

progress_bar = window['-PROGRESS BAR-']

for i in range(1000):

print("[LOG] Updating progress bar by 1 step ("+str(i)+")")

progress_bar.UpdateBar(i + 1)

print("[LOG] Progress bar complete!")

elif event == "-GRAPH-":

graph = window['-GRAPH-'] # type: sg.Graph

graph.draw_circle(values['-GRAPH-'], fill_color='yellow', radius=20)

print("[LOG] Circle drawn at: " + str(values['-GRAPH-']))

elif event == "Open Folder":

print("[LOG] Clicked Open Folder!")

folder_or_file = sg.popup_get_folder('Choose your folder')

sg.popup("You chose: " + str(folder_or_file))

print("[LOG] User chose folder: " + str(folder_or_file))

elif event == "Open File":

print("[LOG] Clicked Open File!")

folder_or_file = sg.popup_get_file('Choose your file')

sg.popup("You chose: " + str(folder_or_file))

print("[LOG] User chose file: " + str(folder_or_file))

elif event == "Set Theme":

print("[LOG] Clicked Set Theme!")

theme_chosen = values['-THEME LISTBOX-'][0]

print("[LOG] User Chose Theme: " + str(theme_chosen))

window.close()

window = make_window(theme_chosen)

window.close()

exit(0)

if 曲在name曲在 == '曲在main曲在':

main()

我们来再来直通以后的效果：

这个 demo 是 PySimpleGUI 所有子系统的闭包，每一个 tab 都是一个分类。这里头最主要进度条、手绘、主题、滚动条等等。如果你不想要找介面子系统，到这个 demo 的程式码里头找就对了。

阐述

这里头还有更多举例来说，大家就自己去探索吧！这里主要是给大家介绍一个更快整合 GUI 的法则，俗称CV大法。不过这只是一种更快整合方式，大家有间隔时间还是去再来程式码，洞察一下理论非常好！

大家有什么须要探讨的，可以在评论家四区留言！

。

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