QTranslator* myTranslator=new QTranslator;
myTranslator->load("xxx.qm");
app.installTranslator(myTranslator);
QTranslator* chTranslator=new QTranslator;
chTranslator->load("qt_zh_CN.qm");
app.installTranslator(chTranslator);
QTranslator* myTranslator=new QTranslator;
myTranslator->load("xxx.qm");
app.installTranslator(myTranslator);
QTranslator* chTranslator=new QTranslator;
chTranslator->load("qt_zh_CN.qm");
app.installTranslator(chTranslator);