qq_43632264: 大佬，我这ui怎么实现点击按钮打开对应程序？ [code=python] [/code] def retranslateUi(self, MainWindow): _translate = QtCore.QCoreApplication.translate MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow")) self.wechat.setText(_translate("MainWindow", "微信")) self.qq.setText(_translate("MainWindow", "QQ")) self.usb.setText(_translate("MainWindow", "U盘")) self.label.setText(_translate("MainWindow", "请选择封面文件拷贝途径"))