pyqt5 从本地选择图片 并显示在label上的实例

 import sys from PyQt5 import QtWidgets, QtCore, QtGui from PyQt5.QtGui import * from PyQt5.QtWidgets import * from PyQt5.QtCore import * class picture(QWidget): def __init__(self): super(picture, self).__init__() self.resize(600, 400) self.setWindowTitle("label显示图片") self.label = QLabel(self) self.label.setText(" 显示图片") self.label.setFixedSize(300, 200) self.label.move(160, 160) self.label.setStyleSheet("QLabel{background:white;}" "QLabel{color:rgb(300,300,300,120);font-size:10px;font-weight:bold;font-family:宋体;}" ) btn = QPushButton(self) btn.setText("打开图片") btn.move(10, 30) btn.clicked.connect(self.openimage) def openimage(self): imgName, imgType = QFileDialog.getOpenFileName(self, "打开图片", "", "*.jpg;;*.png;;All Files(*)") jpg = QtGui.QPixmap(imgName).scaled(self.label.width(), self.label.height()) self.label.setPixmap(jpg) if __name__ == "__main__": app = QtWidgets.QApplication(sys.argv) my = picture() my.show() sys.exit(app.exec_())