Python GUI

图形化

pysimplegui 5.0 版本开始收费,所以只能安装 5.0 之前的版本.

pip uninstall PySimpleGUI
pip install PySimpleGUI==4.70.1

import PySimpleGUI as sg
import os

def main():
    # 定义历史记录文件路径
    history_file = 'history.txt'

    # 创建布局
    layout = [
        [sg.Text('File 1:'), sg.InputText(key='file1'), sg.FileBrowse(initial_folder=get_last_path(history_file, 0))],
        [sg.Text('File 2:'), sg.InputText(key='file2'), sg.FileBrowse(initial_folder=get_last_path(history_file, 1))],
        [sg.Text('File 3:'), sg.InputText(key='file3'), sg.FileBrowse(initial_folder=get_last_path(history_file, 2))],
        [sg.Text('File 4:'), sg.InputText(key='file4'), sg.FileBrowse(initial_folder=get_last_path(history_file, 3))],
        [sg.Button('OK')],
    ]

    # 创建窗口
    window = sg.Window('File Selector', layout)

    while True:
        event, values = window.read()

        if event == sg.WINDOW_CLOSED:
            break

        if event == 'OK':
            # 保存历史记录
            save_history(history_file, values['file1'], values['file2'], values['file3'], values['file4'])

            # 弹出消息框
            sg.popup('Hello World!')
            break

    window.close()

def get_last_path(history_file, index):
    # 从历史记录文件中获取上次保存的路径
    if os.path.exists(history_file):
        with open(history_file, 'r') as file:
            history = file.readlines()
            if len(history) > index:
                return history[index].strip()
    return ''

def save_history(history_file, *paths):
    # 将当前选择的路径保存到历史记录文件中
    with open(history_file, 'w') as file:
        for path in paths:
            file.write(f'{path}\n')

if __name__ == '__main__':
    main()

import PySimpleGUI as sg

sg.theme('Default1')   # 设置当前主题
# 界面布局，将会按照列表顺序从上往下依次排列，二级列表中，从左往右依此排列
layout = [  [sg.Text('Some text on Row 1')],
            [sg.Text('Enter something on Row 2'), sg.InputText()],
            [sg.Button('Ok'), sg.Button('Cancel')] ]

# 创造窗口
window = sg.Window('Window Title', layout)
# 事件循环并获取输入值
while True:
    event, values = window.read()
    if event in (None, 'Cancel'):   # 如果用户关闭窗口或点击`Cancel`
        break
    print('You entered ', values[0])

window.close()

text_input = values[0]  
sg.popup('You entered', text_input) # 弹出窗口

# 进度条显示
import PySimpleGUI as sg    

layout = [[sg.Text('A custom progress meter')],
          [sg.ProgressBar(1000, orientation='h', size=(20, 20), key='progressbar')],
          [sg.Cancel()]]

window = sg.Window('Custom Progress Meter', layout)
progress_bar = window['progressbar']
# loop that would normally do something useful
for i in range(1000):
    # check to see if the cancel button was clicked and exit loop if clicked
    event, values = window.read(timeout=10)
    if event == 'Cancel'  or event is None:
        break
  # update bar with loop value +1 so that bar eventually reaches the maximum
    progress_bar.UpdateBar(i + 1)
# done with loop... need to destroy the window as it's still open
window.close()

import PySimpleGUI as sg
sg.theme('Default1')
# sg.popup('demo ok')
# sg.popup_ok_cancel('PopupOKCancel')
# sg.popup_error('PopupError')  # Shows red error button
# sg.popup_timed('PopupTimed')  # Automatically closes
# 例子：
text = sg.popup_get_file('Please enter a file name')
print(text)

import PySimpleGUI as psg
psg.set_options(font=('Arial Bold', 16))
layout = [
   [psg.Text('Enter a num: '), psg.Input(key='-FIRST-')],
   [psg.Text('Enter a num: '), psg.Input(key='-SECOND-')],
   [psg.Text('Result : '), psg.Text(key='-OUT-')],
   [psg.Button("Add"), psg.Button("Sub"), psg.Exit()],
]
window = psg.Window('Calculato1r', layout, size=(715, 180))
while True:
   event, values = window.read()
   print(event, values)
   if event == "Add":
      result = int(values['-FIRST-']) + int(values['-SECOND-'])
   if event == "Sub":
      result = int(values['-FIRST-']) - int(values['-SECOND-'])
   window['-OUT-'].update(result)
   if event == psg.WIN_CLOSED or event == 'Exit':
      break
window.close()

import PySimpleGUI as psg
psg.set_options(font=('Arial Bold', 16))
layout = [
   [psg.Text('Name ', size=(15, 1)),
   psg.Input(key='-NM-', expand_x=True)],
   [psg.Text('Address ', size=(15, 1)),
   psg.Input(key='-AD-', expand_x=True)],
   [psg.Text('Email ID ', size=(15, 1)),
   psg.Input(key='-ID-', expand_x=True)],
   [psg.Text('You Entered '), psg.Text(key='-OUT-')],
   [psg.OK(), psg.Exit()],
]
window = psg.Window('Form', layout, size=(715, 200))
while True:
   event, values = window.read()
   print(event, values)
   out = values['-NM-'] + ' ' + values['-AD-'] + ' ' + values['-ID-']
   window['-OUT-'].update(out)
   if event == psg.WIN_CLOSED or event == 'Exit':
      break
window.close()

import PySimpleGUI as psg
text = psg.popup_get_text('Enter your name', title="Textbox")
print ("You entered: ", text)
file=psg.popup_get_file('Select a file',  title="File selector")
print ("File selected", file)
folder=psg.popup_get_folder('Get folder', title="Folder selector")
print ("Folder selected",folder)
ch = psg.popup_yes_no("Do you want to Continue?",  title="YesNo")
print ("You clicked", ch)
ch = psg.popup_ok_cancel("Press Ok to proceed", "Press cancel to stop",  title="OkCancel")
if ch=="OK":
   print ("You pressed OK")
if ch=="Cancel":
   print ("You pressed Cancel")
psg.popup_no_buttons('You pressed', ch, non_blocking=True)
psg.popup_auto_close('This window will Autoclose')

# 选择主题
import PySimpleGUI as sg  
theme_name_list = sg.theme_list()
sg.theme_previewer() 
sg.theme('Default1')
layout = [[sg.Text('Theme Browser')],
          [sg.Text('Click a Theme color to see demo window')],
          [sg.Listbox(values=sg.theme_list(), size=(20, 12), key='-LIST-', enable_events=True)],
          [sg.Button('Exit')]]
window = sg.Window('Theme Browser', layout)

while True:  # Event Loop
    event, values = window.read()
    if event in (None, 'Exit'):
        break
    sg.theme(values['-LIST-'][0])
    sg.popup_get_text('This is {}'.format(values['-LIST-'][0]))

window.close()