pyqt5学习4

不念不忘少年蓝@ 2021-12-22 08:05 278阅读 0赞

实例1：猜数字游戏

import sys
    from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QLineEdit, QMessageBox
    from PyQt5.QtGui import QIcon
    from PyQt5.QtCore import QCoreApplication
    from random import randint
    
    
    class Example(QWidget):
        def __init__(self):
            super().__init__()
            self.init_ui()
            self.num = randint(1, 100)#生成随机数
    
        def init_ui(self):
            self.setGeometry(1068, 612, 600, 600)
            self.setWindowTitle('天晟出品')
            self.setWindowIcon(QIcon('ComNet.ico'))
    
            self.qbtn = QPushButton('退出', self) #新建按钮对象
            self.qbtn.clicked.connect(QCoreApplication.instance().quit) #按钮点击事件
            self.qbtn.resize(100, 50)
            self.qbtn.move(450, 450)
    
            self.qbtn1 = QPushButton('我猜', self) #新建按钮对象
            self.qbtn1.setGeometry(330, 450, 100, 50)
            self.qbtn1.setToolTip('<b>我们可以支付一些费用点击这里猜数字，猜对了会有很大的奖励，你想象不到的福利！！你愿意猜吗？</b>') #按钮提示
            self.qbtn1.clicked.connect(self.show_message)
    
            self.text = QLineEdit('在这里输入数字', self)
            self.text.selectAll()
            self.text.setFocus()
            self.text.setGeometry(100, 250, 400, 50)
    
            self.show()
    
        def show_message(self):
            guessnumber = int(self.text.text())#将LineEdit的字符str转换为int类型
            print(self.num)
            if guessnumber > self.num:
                QMessageBox.about(self, '看结果', '猜大了!')
                self.text.setFocus()
            elif guessnumber < self.num:
                QMessageBox.about(self, '看结果', '猜小了!')
                self.text.setFocus()
            else:
                QMessageBox.about(self, '看结果', '答对了!进入下一轮!')
                self.num = randint(1, 100)
                self.text.clear()
                self.text.setFocus()
    
        def closeEvent(self, event):
            # reply = QMessageBox.question(self, '确认', '确认退出吗', QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
            # reply = QMessageBox.critical(self, '确认', '确认退出吗', QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
            # reply = QMessageBox.warning(self, '确认', '确认退出吗', QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
            reply = QMessageBox.information(self, '确认', '确认退出吗', QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
    
            if reply == QMessageBox.Yes:
                event.accept()
            else:
                event.ignore()
    
    
    if __name__ == '__main__':
        app = QApplication(sys.argv)
        ex = Example()
        sys.exit(app.exec_())

转载于:https://www.cnblogs.com/vellan/p/10625364.html