窗体部件之QCompleter

QCompleter提供了一个缺省提示功能部件。

widget.cpp

#include "widget.h"#include "ui_widget.h"#include <QCompleter>Widget::Widget(QWidget *parent) :    QWidget(parent),    ui(new Ui::Widget){    ui->setupUi(this);    QStringList wordList;    wordList << "Qt" << "Qt Creator" << tr("nihao");    QCompleter *completer = new QCompleter(wordList, this);    completer->setCaseSensitivity(Qt::CaseInsensitive);    ui->lineEdit->setCompleter(completer);}