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如果我想查看这些数据，我该如何编写代码？有什么问题？

     serial->write("where");
     qDebug()<<"Send OK to Tx";
     ui->lineEdit->setText("11");
 }```
Hello everyone. I tried to work with QT and I want to create interface. I set up 2d schema but I have a problem in software part. I am trying to send a data to keil uvision(stm32 card).İ set up the which port connected to serial.Therefore can't be this problem.i want to see string "where" in Keil.i wrote this function but i didn't see in the keil so i want help.
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