好吧，我正在做一个GotoLineSystem。但它似乎不起作用。以前是这样，但我想我把它弄坏了。voidScriptWindow::gotoLine(){intline=QInputDialog::getInteger(myEdit,"LineNumber","Towhatlinedoyouwanttogo?",1,1,myEdit->document()->lineCount());QTextCursorcursor=myEdit->textCursor();myEdit->setTextCursor(cursor);cursor.setPosition(QTextCursor::