小编n3r*_*rio的帖子

我的问题是:如何更改标签中的文字？标签在布局中,但setText()似乎不起作用 - 也许我做得不对.

这是我的代码:

这是主窗口GUI,一个Qt-Designer给出:

class Ui_dashboard(QtGui.QMainWindow):
def setupUi(self, dashboard):
    dashboard.setObjectName(_fromUtf8("dashboard"))
    dashboard.resize(734, 703)
    icon = QtGui.QIcon()
    icon.addPixmap(QtGui.QPixmap(_fromUtf8("../../../../Documents and Settings/cgarcia/Escritorio/metromara - imagenes - nerio/logoM.JPG")), QtGui.QIcon.Normal, QtGui.QIcon.Off)
    dashboard.setWindowIcon(icon)
    dashboard.setWindowOpacity(1.0)
    self.centralwidget = QtGui.QWidget(dashboard)
    self.centralwidget.setObjectName(_fromUtf8("centralwidget"))
    self.frame = QtGui.QFrame(self.centralwidget)
    self.frame.setGeometry(QtCore.QRect(30, 20, 261, 119))
    self.frame.setFrameShape(QtGui.QFrame.Box)
    self.frame.setFrameShadow(QtGui.QFrame.Plain)
    self.frame.setObjectName(_fromUtf8("frame"))
    self.gridLayout = QtGui.QGridLayout(self.frame)
    self.gridLayout.setObjectName(_fromUtf8("gridLayout"))
    self.label_5 = QtGui.QLabel(self.frame)
    font = QtGui.QFont()
    font.setBold(True)
    font.setWeight(75)
    self.label_5.setFont(font)
    self.label_5.setObjectName(_fromUtf8("label_5"))
    self.gridLayout.addWidget(self.label_5, 4, 0, 1, 1)
    self.label_4 = QtGui.QLabel(self.frame)
    font = QtGui.QFont()
    font.setBold(True)
    font.setWeight(75)
    self.label_4.setFont(font)
    self.label_4.setObjectName(_fromUtf8("label_4"))
    self.gridLayout.addWidget(self.label_4, 3, 0, 1, 1)
    self.label_ci = QtGui.QLabel(self.frame) …