Qt 输入提示

#include "dd.h"#include "QCompleter.h"#include "QDirModel.h"dd::dd(QWidget *parent, Qt::WFlags flags): QMainWindow(parent, flags){ui.setupUi(this);QStringList word_list;word_list<<"DCLW"<<"Shandong"<<"Beijing"<<"QingDao"<<"HeZe"<<"WanLong"<<"Poplo";QCompleter *completer = new QCompleter(word_list, this);completer->setCaseSensitivity(Qt::CaseInsensitive);ui.lineEdit->setCompleter(completer);}dd::~dd(){}