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TDateTimePickerDemo 项目分析

项目信息

文件结构

TDateTimePickerDemo/
├── 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.DateTimePicker1 = DateTimePicker(self)
        self.LoadProps(os.path.join(os.path.dirname(os.path.abspath(__file__)), "Unit1.pydfm"))
        self.Button1.OnClick = self.Button1Click

        # 创建 TDateTimePicker 控件用于选择日期和时间
        self.dateTimePicker = DateTimePicker(self)
        self.dateTimePicker.SetBounds(50, 50, 200, 25)  # 设置控件的位置和大小
        self.dateTimePicker.Parent = self  # 将控件设置为窗体的子控件

        # 创建按钮用于获取选定的日期和时间
        self.btnShowDateTime = Button(self)
        self.btnShowDateTime.SetBounds(50, 100, 200, 30)  # 设置按钮的位置和大小
        self.btnShowDateTime.Caption = "显示选定的日期和时间"  # 设置按钮文本
        self.btnShowDateTime.OnClick = self.show_date_time  # 绑定点击事件
        self.btnShowDateTime.Parent = self  # 将按钮设置为窗体的子控件

    # 显示选定的日期和时间的方法
    def show_date_time(self, Sender):
        selected_date_time = self.dateTimePicker.DateTime  # 获取选定的日期和时间
        message = f"选定的日期和时间: {selected_date_time}"  # 构建消息字符串
        ShowMessage(message)  # 显示消息框

    def Button1Click(self, Sender):
        selected_date_time = self.DateTimePicker1.DateTime  # 获取选定的日期和时间
        message = f"选定的日期和时间: {selected_date_time}"  # 构建消息字符串
        ShowMessage(message)  # 显示消息框

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 = 205
  ClientWidth = 382
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -15
  Font.Name = 'Segoe UI'
  Font.Style = []
  TextHeight = 20
  object DateTimePicker1: TDateTimePicker
    Left = 16
    Top = 168
    Width = 186
    Height = 28
    Date = 45566.00000000000000000
    Time = 0.91807224536751170
    TabOrder = 0
  end
  object Button1: TButton
    Left = 216
    Top = 168
    Width = 75
    Height = 25
    Caption = 'Button1'
    TabOrder = 1
    OnClick = Button1Click
  end
end

其他文件

  • Extractor_Icon.ico
  • Project1.xml

详细分析

功能概述

图像处理组件演示

使用的组件

  • Form1 (TForm)
  • DateTimePicker1 (TDateTimePicker)
  • 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: Button1
  • height: 205
  • width: 382

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 - show_date_time - Button1Click

事件绑定: - self.Button1.OnClick = self.Button1Click - self.btnShowDateTime.OnClick = self.show_date_time # 绑定点击事件