python3.x+pyqt5实现主窗口状态栏里(嵌入)显示进度条功能

时间:2021-05-23

1、代码1:

(1)进度条等显示在主窗口状态栏的右端,代码如下:

from PyQt5.QtWidgets import QMainWindow, QProgressBar, QApplication, QLabelimport sysclass SampleBar(QMainWindow): """Main Application""" def __init__(self, parent = None): print('Starting the main Application') super(SampleBar, self).__init__(parent) self.initUI() def initUI(self): # Pre Params: self.setMinimumSize(800, 600) # File Menus & Status Bar: self.statusBar().showMessage('准备中...') self.progressBar = QProgressBar() self.label = QLabel() self.label2 = QLabel() self.label.setText("正在计算: ") self.label2.setText("正在计算: ") self.statusBar().addPermanentWidget(self.label) self.statusBar().addPermanentWidget(self.label2) self.statusBar().addPermanentWidget(self.progressBar) # self.statusBar().addWidget(self.progressBar) # This is simply to show the bar self.progressBar.setGeometry(0, 0, 100, 5) self.progressBar.setRange(0, 500) # 设置进度条的范围 self.progressBar.setValue(100)if __name__ == '__main__': app = QApplication(sys.argv) main2 = SampleBar() main2.show() sys.exit(app.exec_())

(2)实现的界面如下图1红框:

图1

2、代码2:

(1)进度条等显示在主窗口状态栏的左端,代码如下:

from PyQt5.QtWidgets import QMainWindow, QProgressBar, QApplication, QLabel, \ QStatusBar, QPushButtonimport sysclass SampleBar(QMainWindow): """Main Application""" def __init__(self, parent = None): # print('Starting the main Application') super(SampleBar, self).__init__(parent) self.initUI() def initUI(self): # Pre Params: self.setMinimumSize(800, 600) # File Menus & Status Bar: self.statusBar = QStatusBar() self.statusBar.setStyleSheet('QStatusBar::item {border: none;}') self.setStatusBar(self.statusBar) self.statusBar.showMessage('准备') self.progressBar = QProgressBar() self.pushbutton = QPushButton("点这里") self.label = QLabel() self.label2 = QLabel() self.label.setText("开始计算 ") self.label2.setText("正在计算: ") # self.statusBar.addWidget(self.label, 0) self.statusBar.addPermanentWidget(self.label, stretch=2) self.statusBar.addPermanentWidget(self.label2, stretch=0) self.statusBar.addPermanentWidget(self.progressBar, stretch=4) # self.statusBar().addWidget(self.progressBar) # This is simply to show the bar # self.progressBar.setGeometry(0, 0, 100, 5) self.progressBar.setRange(0, 500) # 设置进度条的范围 self.progressBar.setValue(20)if __name__ == '__main__': app = QApplication(sys.argv) main2 = SampleBar() main2.show() sys.exit(app.exec_())

2)实现的界面如下图2红框:

总结

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