QTextEdit实现选中某一段文本

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话不多说了,直接上代码:

 

//此时光标所在的位置

QTextCursor cursor = textEdit->textCursor();

//选中从start到end的这一段文本

int start = cursor.position();

int end = cursor.position()+5; 

cursor.setPosition(start,QTextCursor::MoveAnchor);

cursor.setPosition(end,QTextCursor::KeepAnchor);

textEdit->setTextCursor(cursor);

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转载自blog.csdn.net/Think88666/article/details/82903534