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TRadioGroupDemo 项目分析

项目信息

文件结构

TRadioGroupDemo/
├── Extractor_Icon.ico
├── Project1.py
├── Project1.xml
├── Unit1.py
├── Unit1.pydfm
├── Unit1.sct
├── Unit1.sfm

主程序文件: Project1.py

from glcl import *
from Unit1 import *

def main():
    Application.Initialize()
    Application.Title = 'Project1'
    Application.MainFormOnTaskbar = True
    Application.Icon.LoadFromFile(os.path.join(os.path.dirname(os.path.abspath(__file__)), "Extractor_Icon.ico"))
    MainForm = Form1(Application)
    MainForm.Show()
    FreeConsole()
    Application.Run()
    MainForm.Free()

if __name__ == '__main__':
    main()

单元文件: Unit1.py

import os
from glcl import *

class Form1(Form):

    def __init__(self, owner):
        self.Button1 = Button(self)
        self.RadioGroup1 = RadioGroup(self)
        self.LoadProps(os.path.join(os.path.dirname(os.path.abspath(__file__)), "Unit1.pydfm"))
        self.Button1.OnClick = self.Button1Click

        # 创建 TRadioGroup 控件
        self.radio_group = RadioGroup(self)
        self.radio_group.Parent = self  # 设置单选框组的父控件为当前窗口
        self.radio_group.Caption = 'Choose an Option'  # 设置单选框组标题
        self.radio_group.Items.Add('Option 1')  # 添加选项1
        self.radio_group.Items.Add('Option 2')  # 添加选项2
        self.radio_group.Items.Add('Option 3')  # 添加选项3
        self.radio_group.Left = 20  # 设置单选框组左边距
        self.radio_group.Top = 30  # 设置单选框组上边距
        self.radio_group.Width = 250  # 设置单选框组宽度

        # 创建一个 TButton 控件
        self.button = Button(self)
        self.button.Parent = self  # 设置按钮的父控件为当前窗口
        self.button.Caption = 'Submit'  # 设置按钮标题
        self.button.Left = 20  # 设置按钮左边距
        self.button.Top = 200  # 设置按钮上边距
        self.button.OnClick = self.on_button_click  # 绑定按钮点击事件

    def on_button_click(self, sender):
        # 处理按钮点击事件
        selected_option = self.radio_group.ItemIndex  # 获取选中的选项索引
        if selected_option != -1:  # 检查是否有选项被选中
            ShowMessage(f'Selected: {self.radio_group.Items[selected_option]}')  # 显示选中的选项
        else:
            ShowMessage('No option selected')  # 显示未选择任何选项的消息


    def Button1Click(self, Sender):
        # 处理按钮点击事件
        selected_option = self.RadioGroup1.ItemIndex  # 获取选中的选项索引
        if selected_option != -1:  # 检查是否有选项被选中
            ShowMessage(f'确认购买: {self.RadioGroup1.Items[selected_option]}')  # 显示选中的选项
        else:
            ShowMessage('请先选择水果')  # 显示未选择任何选项的消息

设计文件: Unit1.sct

def Button1Click(Sender):

设计文件: Unit1.sfm

object Form1: TForm
  Left = 0
  Top = 0
  Caption = 'Form1'
  ClientHeight = 450
  ClientWidth = 236
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -15
  Font.Name = 'Segoe UI'
  Font.Style = []
  TextHeight = 20
  object RadioGroup1: TRadioGroup
    Left = 16
    Top = 224
    Width = 185
    Height = 161
    Caption = #36873#25321#27700#26524
    Items.Strings = (
      #33529#26524
      #39321#34121
      #21704#23494#29916
      #33889#33796)
    TabOrder = 0
  end
  object Button1: TButton
    Left = 126
    Top = 392
    Width = 75
    Height = 25
    Caption = #36141#20080
    TabOrder = 1
    OnClick = Button1Click
  end
end

其他文件

  • Extractor_Icon.ico
  • Project1.xml

详细分析

功能概述

GUI组件演示

使用的组件

  • Form1 (TForm)
  • RadioGroup1 (TRadioGroup)
  • Button1 (TButton)

技术特点

  • 包含3个GUI组件
  • 定义2个事件处理

窗体属性

  • caption: #36141#20080
  • height: 450
  • width: 236

代码分析

导入的模块: - import os - from glcl import *

定义的类: - Form1

定义的方法: - init - on_button_click - Button1Click

事件绑定: - self.Button1.OnClick = self.Button1Click - self.button.OnClick = self.on_button_click # 绑定按钮点击事件