In QT5, calculate the sum and output of two input values, and qt5 outputs.

In QT5, calculate the sum and output of two input values, and qt5 outputs.

1. Put two inputs lineEdit, one output TextBrowser, and one PushButton on the UI (used to sum keys ),

2. Open the. h file and add the declaration code of the slot function to the class ,;

3. Open the. cpp file and write the slot function code at the bottom of the file ,;

To convert the QString type to the basic data type (int), add # include <QString> to the header file.

4. Click Run. In the displayed program window, enter two values and click sum,