1 void ThreadExit::onTaskPerformState(const QString& strStatus)
 2 {
 3     //追加文字（ui.taskStatusTextEdit是一個QPlainTextEdit物件）
 4     auto workCursor = ui.taskStatusTextEdit->textCursor();
 5     workCursor.movePosition(QTextCursor::End);
 6     workCursor.insertText(strStatus);
 7     workCursor.insertBlock();
 
 8 
 9     //移動滾動條到底部
10     QScrollBar *scrollbar = ui.taskStatusTextEdit->verticalScrollBar();
11     if (scrollbar)
12     {
13         scrollbar->setSliderPosition(scrollbar->maximum());
14     }
15     
16 }