Python PyQt5 日历程序：带备忘录和提醒功能

import sys from PyQt5.QtWidgets import * from PyQt5.QtCore import * from PyQt5.QtGui import* from PyQt5.QtCore import QDate, QDateTime, Qt from PyQt5 import QtCore import time import datetime

class CalenderExample(QWidget): def init(self): super(CalenderExample,self).init() self.init_ui()

def init_ui(self):
    self.setWindowTitle('我的超级无敌小日历')
    grid = QGridLayout()

    '创建日历控件对象'
    self.calender_ = QCalendarWidget(self)
    self.calender_.setGridVisible(True)
    self.calender_.setMinimumDate(QDate(1970,1,1))
    self.calender_.setMaximumDate(QDate(3200,1,1))
    grid.addWidget(self.calender_,4,0, 1, 1)

    self.current_date_ = QLabel(self)
    self.current_date_.setText('大人你选的日子是')
    grid.addWidget(self.current_date_, 0, 0, 1, 1)

    self.time_difference = QLabel(self)
    self.time_difference.setText('和您现在的日子差：')
    grid.addWidget(self.time_difference, 3, 0, 1, 1)

    self.calender_.clicked[QtCore.QDate].connect(self.calender_show)
    self.calender_.clicked[QtCore.QDate].connect(self.show_difference)

    self.current_date=QLabel(self)
    date=self.calender_.selectedDate()
    self.current_date.setText(date.toString('yyyy-MM-dd'))
    grid.addWidget(self.current_date, 2, 0, 1, 1)

    self.setGeometry(100,100,100,100)

    self.memo = QTextEdit(self)
    self.memo.setGeometry(30, 10, 30, 20)
    grid.addWidget(self.memo, 4, 2, 1, 1)

    #回到今天
    self.button_today = QPushButton(self)
    self.button_today.setText('速速回到今天')
    self.button_today.clicked.connect(self.go_to_today)
    grid.addWidget(self.button_today, 5, 0, 1, 1)

    #备忘录
    self.button_memo = QPushButton(self)
    self.button_memo.setText('主人想要记录点东西吗')
    self.button_memo.clicked.connect(self.add_memo)
    grid.addWidget(self.button_memo, 6, 0, 1, 1)

    #指令返回
    self.calender_.clicked[QtCore.QDate].connect(self.calender_show)
    self.calender_.clicked[QtCore.QDate].connect(self.show_difference)
    date=self.calender_.selectedDate()

    #3实时时钟
    self.label_date = QLabel(self)
    self.label_date.move(20,100)
    self.label_date.setFixedHeight(30)
    self.label_date.setFont(QFont('Arial', 10))
    grid.addWidget(self.label_date, 10, 0, 1, 1)

    # 显示日期
    self.showDate()

    # 显示时间
    self.label_time = QLabel(self)
    self.label_time.move(20,100)
    self.label_time.setFont(QFont('Arial', 26))
    palette = QPalette()
    brush = QBrush(QColor(200, 100, 0))
    brush.setStyle(Qt.SolidPattern)
    palette.setBrush(QPalette.Active, QPalette.WindowText, brush)
    self.label_time.setPalette(palette)
    self.label_time.setFixedHeight(60)
    grid.addWidget(self.label_time, 11, 0, 1, 1)

    self.setLayout(grid)

    # 添加定时器
    self.timer = QTimer()
    self.timer.timeout.connect(self.showTime)
    self.timer.start(1000)

    # 添加提醒列表
    self.memos = QListWidget(self)
    grid.addWidget(self.memos, 4, 1, 1, 1)

    # 添加提醒定时器
    self.reminder_timer = QTimer()
    self.reminder_timer.timeout.connect(self.check_reminders)
    self.reminder_timer.start(1000)

    # 保存备忘录的 QListWidgetItem 对象
    self.memo_items = []

def calender_show(self,date):
    self.current_date.setText(date.toString('yyyy-MM-dd'))

def show_difference(self, date):
    date1 = self.calender_.selectedDate()
    if date1.isValid():
        datetime1 = QDateTime(date1)
        seconds_difference = abs(datetime1.toSecsSinceEpoch() -QDateTime.currentDateTime().toSecsSinceEpoch())
        days_difference = seconds_difference // (24 * 3600)
        self.time_difference.setText('和您现在的日子差：%d天' % days_difference)
    else:
        self.time_difference.setText('和您现在的日子差：')

def showDate(self):
    date = QDate.currentDate()
    self.label_date.setText(date.toString('yyyy年MM月dd日'))

def showTime(self):
    time = QTime.currentTime()
    self.label_time.setText(time.toString('hh:mm:ss'))

def go_to_today(self):
    today = QDate.currentDate()
    self.calender_.setSelectedDate(today)

def add_memo(self):
    memo_dialog = QDialog(self)
    memo_dialog.setWindowTitle('主人，我会提醒你的 喵')
    memo_dialog.setWindowModality(Qt.ApplicationModal)

    # 添加标题
    title_label = QLabel('下旨', memo_dialog)
    title_input = QLineEdit(memo_dialog)

    # 添加内容
    content_label = QLabel('奉天承运，皇帝诏曰', memo_dialog)
    content_input = QTextEdit(memo_dialog)

    # 添加提醒时间
    time_label = QLabel('提醒时间', memo_dialog)
    time_edit = QDateTimeEdit(memo_dialog)
    time_edit.setDateTime(QDateTime.currentDateTime())

    # 添加按钮
    add_button = QPushButton('盖章', memo_dialog)
    add_button.clicked.connect(lambda: self.add_memo_item(title_input.text(), content_input.toPlainText(), time_edit.dateTime()))

    # 添加布局
    memo_layout = QVBoxLayout()
    memo_layout.addWidget(title_label)
    memo_layout.addWidget(title_input)
    memo_layout.addWidget(content_label)
    memo_layout.addWidget(content_input)
    memo_layout.addWidget(time_label)
    memo_layout.addWidget(time_edit)
    memo_layout.addWidget(add_button)
    memo_dialog.setLayout(memo_layout)

    memo_dialog.exec_()

def add_memo_item(self, title, content, time):
    # 创建 QListWidgetItem 对象，并保存起来
    item = QListWidgetItem()
    item.setData(Qt.UserRole, content)
    item.setData(Qt.UserRole+1, time)
    item.setText(title)
    self.memo_items.append(item)

    # 添加到 QListWidget 中
    self.memos.addItem(item)

def delete_memo_item(self, item):
    self.memos.takeItem(self.memos.row(item))
    self.memo_items.remove(item)

def check_reminders(self):
    current_time = QDateTime.currentDateTime()
    for item in self.memo_items:
        memo_time = item.data(Qt.UserRole+1)
        if memo_time <= current_time:
            memo_content = item.data(Qt.UserRole)
            QMessageBox.information(self, '嗯嗯~~', memo_content)
            self.delete_memo_item(item)

if name == 'main': app=QApplication(sys.argv) demo=CalenderExample() demo.show() sys.exit(app.exec_())