PYQT5笔记 007 ：进入程序的暂停界面（等待界面）

功能描述

        在进入程序时设置等待的时间，一遍进行程序预设的运算。所使用图片的链接。

        然后进入设定的界面

代码实现

        通过QSplashScreen对象实现。

import time
from PyQt5.QtGui import *
import sys
from PyQt5.QtWidgets import *


from PyQt5 import QtCore, QtGui, QtWidgets


class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(271, 118)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.label = QtWidgets.QLabel(self.centralwidget)
        self.label.setGeometry(QtCore.QRect(50, 22, 54, 12))
        self.label.setObjectName("label")
        self.label_2 = QtWidgets.QLabel(self.centralwidget)
        self.label_2.setGeometry(QtCore.QRect(50, 52, 54, 12))
        self.label_2.setObjectName("label_2")
        self.lineEdit = QtWidgets.QLineEdit(self.centralwidget)
        self.lineEdit.setGeometry(QtCore.QRect(100, 18, 113, 20))
        self.lineEdit.setObjectName("lineEdit")
        self.lineEdit_2 = QtWidgets.QLineEdit(self.centralwidget)
        self.lineEdit_2.setGeometry(QtCore.QRect(100, 50, 113, 20))
        self.lineEdit_2.setObjectName("lineEdit_2")
        self.lineEdit_2.setEchoMode(QtWidgets.QLineEdit.Password) # 设置文本框为密码
        self.lineEdit_2.setValidator(QtGui.QIntValidator(10000000,99999999)) # 设置只能输入8位数字

        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 271, 23))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)

        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "系统登录"))
        self.label.setText(_translate("MainWindow", "用户名："))
        self.label_2.setText(_translate("MainWindow", "密  码："))


import sys
# 主方法，程序从此处启动PyQt设计的窗体
if __name__ == '__main__':
    app = QtWidgets.QApplication(sys.argv)

    splash = QSplashScreen(QPixmap("PCtm_d9c8750bed0b3c7d089fa7d55720d6cf.png"))
   # 设置画面中的文字的字体
    splash.setFont(QFont('Microsoft YaHei UI', 12))
   # 显示画面
    splash.show()
   # 显示信息
    splash.showMessage("程序初始化中... 0%", QtCore.Qt.AlignLeft | QtCore.Qt.AlignBottom, QtCore.Qt.black)
    
    time.sleep(1.3)# 模拟运算的时间

    splash.showMessage("加载配置...60%", QtCore.Qt.AlignLeft | QtCore.Qt.AlignBottom, QtCore.Qt.black)
    
    time.sleep(5.3)# 模拟运算的时间

    splash.showMessage("加载配置...100%", QtCore.Qt.AlignLeft | QtCore.Qt.AlignBottom, QtCore.Qt.black)
    
	# ui = anewui()
    # ui.show()
    MainWindow = QtWidgets.QMainWindow() # 创建窗体对象
    ui = Ui_MainWindow() # 创建PyQt设计的窗体对象
    ui.setupUi(MainWindow) # 调用PyQt窗体的方法对窗体对象进行初始化设置
    MainWindow.show() # 显示窗体



    splash.close()# 关闭等待界面
    sys.exit(app.exec_()) # 程序关闭时退出进程

相关链接

Pyqt QSplashScreen启动画面
c++的类解释