C++ 如何从文本编辑 QT 中获取整个文本
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How to get the whole text from text edit QT
提问by samvel1024
I am trying to get the text from a text edit and store it in a QString .
我正在尝试从文本编辑中获取文本并将其存储在 QString 中。
When I write this
当我写这个
QString text = ui->textEdit->toPlainText();
it only reads the text before the first '\n' So how can I get the whole text with '\n's in it.
它只读取第一个 '\n' 之前的文本 那么我怎样才能获得包含 '\n' 的整个文本。
This is being called from a slot like this: -
这是从这样的插槽调用的： -
void MainWindow::on_pushButton_clicked()
{
QString text = ui->textEdit->toPlainText();
ui->label_2->setText(text);
}
采纳答案by Angew is no longer proud of SO
Turning my comment into an answer
把我的评论变成答案
Make sure that the label is high enough to actually display multi-line text.
确保标签足够高以实际显示多行文本。
