pyqt4 python2.7 中文乱码的解决方法

import sys
import locale
from PyQt4.QtGui import *
from PyQt4.QtCore import *
from untitled import Ui_Dialog

if __name__=="__main__":
    app = QApplication(sys.argv)
    mycode = locale.getpreferredencoding()
    code = QTextCodec.codecForName(mycode)
    QTextCodec.setCodecForLocale(code)
    QTextCodec.setCodecForTr(code)
    QTextCodec.setCodecForCStrings(code)
    myframe = MyForm()
    myframe.show()
    sys.exit(app.exec_())

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