qt 中文解码

#include "mainwindow.h"

#include "ui_mainwindow.h"

#include <QDebug>

#include <QLocale>

#include <QTextCodec>

MainWindow::MainWindow(QWidget *parent) :

    QMainWindow(parent),

    ui(new Ui::MainWindow)

{

    ui->setupUi(this);

}

MainWindow::~MainWindow()

{

    delete ui;

}

void MainWindow::on_btn_ok_clicked()

{

    QTextCodec *codec = QTextCodec::codecForName("UTF-8");;

    QString str= codec->fromUnicode("你好");

    qInfo()<<str<<endl;

}