[PyQt5]基本控件21 - 滚动条QScrollBar

PyQt5系列文章

基本控件	-	-	-
1.按钮QPushButton	2.标签QLabel	3.可编辑框QTextEdit	4.文本提示QToolTip
5.单行输入框QLineEdit	6.消息框QMessageBox	7.单选按钮QRadioButton	8.下拉列表QComboBox
9.图片显示QPixmap	10.分组框QGroupBox	11.进度条QProgressBar	12.对话框QDialog
13.进度条对话框QProgressDialog	14.复选框QCheckBox	15.滑块QSlider	16.状态栏QStatusBar
17.文件对话框QFileDialog	18.工具栏QToolBar	19.分割条QSplitter	20.菜单栏QMenuBar
21.滚动条QScrollBar	22.时间编辑框QTimeEdit	23.日期编辑框QDateEdit	24.时间日期编辑框QDateTimeEdit

高级控件	-	-	-
1.列表控件QListWidget	2.表格控件QTableWidget	3.树形控件QTreeWidget	4.选项卡QTabWidget
5.浮动窗口QDockWidget	6.堆叠窗口QStackedWidget	7.堆叠布局QStackedLayout	8.网格布局QGridLayout
9.表单布局QFormLayout	10.水平布局QHBoxLayout	11.垂直布局QVBoxLayout	12.日历QCalendarWidget
13.线程QThread	14.定时器QTimer	-	-

效果图

完整代码

import sys
from PyQt5.QtWidgets import QLabel,QScrollBar,QHBoxLayout,QWidget,QApplication,QMainWindow

class QScrollBarDemo(QMainWindow):
    def __init__(self):
        super(QScrollBarDemo, self).__init__()

        self.resize(400, 150)
        #设置窗口标题
        self.setWindowTitle("QScrollBarDemo")

        self.label = QLabel('滚动条的值')
        self.scrollBar1 = QScrollBar()
        self.scrollBar1.setMaximum(255)
        self.scrollBar1.sliderMoved.connect(self.sliderChange)

        self.scrollBar2 = QScrollBar()
        self.scrollBar2.setMaximum(255)
        self.scrollBar2.sliderMoved.connect(self.sliderChange)

        layout = QHBoxLayout()
        layout.addWidget(self.label)
        layout.addWidget(self.scrollBar1)
        layout.addWidget(self.scrollBar2)

        mainFrame = QWidget()
        mainFrame.setLayout(layout)
        self.setCentralWidget(mainFrame)

    def sliderChange(self):
        self.label.setText("滚动条1的值:"+str(self.scrollBar1.value())+", 滚动条2的值:"+str(self.scrollBar2.value()))

if  __name__ == '__main__':
    app = QApplication(sys.argv)
    main = QScrollBarDemo()
    main.show()
    sys.exit(app.exec_())