我正在尝试使用QLabel在pyside2中显示图像。我正在将Qpixmap与QLable一起使用,在这里我遇到了一些问题,即我所使用的方法仅适用于少数.png图像,并且对于具有.jpg,.jpeg和.png图像的其余图像,它也显示此错误QPixmap::scaled: Pixmap is a null pixmap
这是我正在尝试的代码
import sys
from PySide2 import QtGui, QtCore
from PySide2.QtWidgets import QFileDialog,QLabel,QAction,QMainWindow,QApplication
class Window(QMainWindow):
def __init__(self):
super(Window, self).__init__()
self.setGeometry(100, 100, 500, 300)
self.setWindowTitle("PyQT Show Image")
openFile = QAction("&File", self)
openFile.setShortcut("Ctrl+O")
openFile.setStatusTip("Open File")
openFile.triggered.connect(self.file_open)
self.statusBar()
mainMenu = self.menuBar()
fileMenu = mainMenu.addMenu('&File')
fileMenu.addAction(openFile)
self.lbl = QLabel(self)
self.setCentralWidget(self.lbl)
self.home()
def home(self):
self.show()
def file_open(self):
name = QFileDialog.getOpenFileName(self, 'Open File')
#print(name)
self.image = QtGui.QImage(name[0])
pixmap = QtGui.QPixmap(self.image)
self.lbl.setPixmap(pixmap.scaled(self.lbl.size() , QtCore.Qt.KeepAspectRatio , QtCore.Qt.SmoothTransformation))
def run():
app = QApplication(sys.argv)
GUI = Window()
sys.exit(app.exec_())
run()