基于Python實(shí)現(xiàn)新年倒計(jì)時(shí)

更新時(shí)間：2023年01月09日 10:08:08 作者：Sir 老王

眼看馬上春節(jié)就要來(lái)臨了，所以滿懷期待的寫了一個(gè)Python新年倒計(jì)時(shí)的小工具！文中的示例代碼簡(jiǎn)潔易懂，感興趣的小伙伴可以跟隨小編一起學(xué)習(xí)一下

不知不覺(jué)已經(jīng)在家兩個(gè)月了，眼看馬上春節(jié)就要來(lái)臨了。滿懷期待的寫了一個(gè)新年倒計(jì)時(shí)的小工具！

設(shè)置新年時(shí)間后都能夠使用，打開(kāi)軟件后可以自動(dòng)計(jì)算到新年的倒計(jì)時(shí)情況。

UI界面及布局這塊一直使用的是PyQt5來(lái)實(shí)現(xiàn)的，若是沒(méi)有安裝使用pip的方式安裝一下即可。

pip?install?PyQt5

緊接著將PyQt5以及相關(guān)的模塊都導(dǎo)入到我們的代碼塊中準(zhǔn)備開(kāi)發(fā)。

#?Importing?all?the?classes?from?the?QtWidgets?module.
from?PyQt5.QtWidgets?import?*

#?Importing?all?the?classes?from?the?QtGui?module.
from?PyQt5.QtGui?import?*

#?Importing?the?sys?module.
import?sys

#?It?imports?all?the?classes?from?the?QtCore?module.
from?PyQt5.QtCore?import?*

#?Importing?the?datetime?module.
import?datetime

#?Importing?the?math?module.
import?math

業(yè)務(wù)邏輯不是很復(fù)雜，我們這次不通過(guò)子線程來(lái)實(shí)現(xiàn)業(yè)務(wù)邏輯，直接在主線程中開(kāi)發(fā)界面布局和組件以及實(shí)現(xiàn)倒計(jì)時(shí)的過(guò)程。

class?CountDown(QWidget):
????def?__init__(self):
????????"""
????????A?constructor.?It?is?called?when?an?object?is?created?from?a?class?and?it?allows?the?class?to?initialize?the
????????attributes?of?a?class.
????????"""
????????super(CountDown,?self).__init__()
????????self.spring_date?=?datetime.datetime(2023,?1,?21,?0,?0,?0)
????????self.init_code()

????def?init_code(self):
????????"""
????????業(yè)務(wù)初始化代碼塊
????????"""
????????self.setWindowTitle('新年倒計(jì)時(shí)??公眾號(hào)：Python 集中營(yíng)')
????????self.setWindowIcon(QIcon('倒計(jì)時(shí).png'))
????????self.resize(600,?400)

????????palette?=?QPalette()
????????palette.setBrush(QPalette.Background,?QBrush(QPixmap("./背景.jpeg")))
????????self.setPalette(palette)

????????self.timer?=?QTimer()
????????self.timer.setInterval(1000)
????????self.timer.timeout.connect(self.refresh_count_down)
????????self.timer.start()

????????self.time_label?=?QLabel()
????????self.time_label.setAlignment(Qt.AlignCenter)
????????self.time_label.setStyleSheet('color:red;font:bold?28px;font-family:黑體')

????????vbox?=?QVBoxLayout()
????????vbox.addWidget(self.time_label)

????????self.setLayout(vbox)

????def?refresh_count_down(self):
????????"""
????????刷新頁(yè)面倒計(jì)時(shí)時(shí)間
????????"""
????????current_date?=?datetime.datetime.now()
????????differ_day?=?(self.spring_date?-?current_date).days
????????seconds?=?(self.spring_date?-?current_date).seconds
????????differ_second?=?seconds?%?60
????????differ_minute?=?seconds?/?60?%?60
????????differ_hour?=?seconds?/?60?/?60
????????if?differ_hour?>?24:
????????????differ_hour?=?differ_hour?-?24

????????differ_hour?=?math.floor(differ_hour)
????????differ_minute?=?math.floor(differ_minute)

????????self.time_label.setText(
????????????"距離春節(jié)："?+?str(differ_day)?+?"天"?+?str(differ_hour)?+?"小時(shí)"?+?str(differ_minute)?+?"分鐘"?+?str(
????????????????differ_second)?+?"秒"?+?'\r')

使用python模塊主函數(shù)直接啟動(dòng)春節(jié)倒計(jì)時(shí)桌面應(yīng)用，就大功告成啦！

#?A?special?variable?in?Python?that?evaluates?to?`True`?if?the?module?is?being?run?as?the?main?program.
if?__name__?==?'__main__':
????app?=?QApplication(sys.argv)
????main?=?CountDown()
????main.show()
????sys.exit(app.exec_())

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