#include "offline_pkg.h"
#include <QDebug>

offline_pkg::offline_pkg(QObject *parent) : QObject(parent)
{
    zim_exist = false;
    img.setPattern("[\"'\\(]([a-zA-Z0-9-_@&%\\?\\./\\\\]*\\.[a-gi-zA-GI-Z0-9]{2,4})[\"'\\)]");
    img.setMinimal(true);
    img.setCaseSensitivity(Qt::CaseInsensitive);
}

offline_pkg::~offline_pkg()
{
    if(zim_exist)
    {
        delete zim_file;
        zim_exist = false;
    }
}

QString offline_pkg::type() const
{
    return m_type;
}

void offline_pkg::setType(const QString & type)
{
    m_type = type;
    Q_EMIT typeChanged(m_type);
}

QString offline_pkg::path() const
{
    return m_path;
}

void offline_pkg::setPath(const QString & path)
{
    m_path = path;
    Q_EMIT pathChanged(m_path);
    if(zim_exist)
    {
        delete zim_file;
        zim_exist = false;
    }
    if(QFile::exists(QString(path+"/data.zim")))
    {
        try{
            zim_file = new zim::File(QString(path+"/data.zim").toLocal8Bit().toStdString());
            qDebug()<<"open zim"<<path+"/data.zim";
            zim_exist = true;
        }
        catch(...) {zim_exist = false;}
    }
}

QString offline_pkg::name() const
{
    return m_name;
}

void offline_pkg::setName(const QString & name)
{
    m_name = name;
    Q_EMIT nameChanged(m_name);
}

QString offline_pkg::name_code() const
{
    return m_name_code;
}

void offline_pkg::setName_code(const QString & name_code)
{
    m_name_code = name_code;
    Q_EMIT name_codeChanged(m_name_code);
}

QString offline_pkg::count() const
{
    return m_count;
}

void offline_pkg::setCount(const QString & count)
{
    m_count = count;
    Q_EMIT countChanged(m_count);
}

bool offline_pkg::enable() const
{
    return m_enable;
}

void offline_pkg::setEnable(const bool & enable)
{
    m_enable = enable;
    Q_EMIT enableChanged(m_enable);
}

QString offline_pkg::home_url() const
{
    return m_home_url;
}

void offline_pkg::setHome_url(const QString & home_url)
{
    m_home_url = home_url;
    Q_EMIT home_urlChanged(m_home_url);
}

bool offline_pkg::home_def() const
{
    return m_home_def;
}

void offline_pkg::setHome_def(const bool & home_def)
{
    m_home_def = home_def;
    Q_EMIT home_defChanged(m_home_def);
}

bool offline_pkg::home_enable() const
{
    return m_home_enable;
}

void offline_pkg::setHome_enable(const bool & home_enable)
{
    m_home_enable = home_enable;
    Q_EMIT home_enableChanged(m_home_enable);
}

QString offline_pkg::get_text_from_url(QString & url)
{
    if(!zim_exist) return "";
    QRegExp parse("[\\?#].*$");
    parse.setMinimal(false);
    url.remove(QRegExp("#.*$"));
    QUrl url_a(url);
    QString url_a1 = url_a.resolved(url).toString().replace(QRegExp("[/\\\\]{2,}"),"/").remove(QRegExp("^/")).remove(parse);
    QString url_a2 = url_a.resolved(url).toString(QUrl::FullyEncoded).replace(QRegExp("[/\\\\]{2,}"),"/").remove(QRegExp("^/")).remove(parse);
    url.replace(QRegExp("[/\\\\]{2,}"),"/").remove(QRegExp("^/")).remove(parse);
    try{
        auto it = zim_file->findx("A/"+url.toStdString());
        if (!it.first)
        {
            it = zim_file->findx(url.toStdString());
            if (!it.first)
            {
                it = zim_file->findx("A/"+url.toStdString()+".html");
                if (!it.first)
                {
                    it = zim_file->findx("A/"+url.toUpper().toStdString()+".HTML");
                    if (!it.first)
                    {
                        it = zim_file->findx("A/"+url.toStdString()+"/index.html");
                        if (!it.first)
                        {
                            it = zim_file->findx("A/"+url.toUpper().toStdString()+"/INDEX.HTML");
                            if (!it.first)
                            {
                                it = zim_file->findx("A/"+url.toStdString()+"/index.htm");
                                if (!it.first)
                                {
                                    it = zim_file->findx("A/"+url.toUpper().toStdString()+"/INDEX.HTM");
                                    if (!it.first)
                                    {
                                        it = zim_file->findx("A/"+url.toStdString()+"/index");
                                        if (!it.first)
                                        {
                                            it = zim_file->findx("A/"+url.toUpper().toStdString()+"/INDEX");
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        if (!it.first)
        {
            it = zim_file->findx("A/"+url.toUtf8().toStdString());
            if (!it.first)
            {
                it = zim_file->findx(url.toUtf8().toStdString());
                if (!it.first)
                {
                    it = zim_file->findx("A/"+url.toUtf8().toStdString()+".html");
                    if (!it.first)
                    {
                        it = zim_file->findx("A/"+url.toUtf8().toUpper().toStdString()+".HTML");
                        if (!it.first)
                        {
                            it = zim_file->findx("A/"+url.toUtf8().toStdString()+"/index.html");
                            if (!it.first)
                            {
                                it = zim_file->findx("A/"+url.toUtf8().toUpper().toStdString()+"/INDEX.HTML");
                                if (!it.first)
                                {
                                    it = zim_file->findx("A/"+url.toUtf8().toStdString()+"/index.htm");
                                    if (!it.first)
                                    {
                                        it = zim_file->findx("A/"+url.toUtf8().toUpper().toStdString()+"/INDEX.HTM");
                                        if (!it.first)
                                        {
                                            it = zim_file->findx("A/"+url.toUtf8().toStdString()+"/index");
                                            if (!it.first)
                                            {
                                                it = zim_file->findx("A/"+url.toUtf8().toUpper().toStdString()+"/INDEX");
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        if (!it.first)
        {
            it = zim_file->findx("A/"+url_a1.toStdString());
            if (!it.first)
            {
                it = zim_file->findx(url_a1.toStdString());
                if (!it.first)
                {
                    it = zim_file->findx("A/"+url_a1.toStdString()+".html");
                    if (!it.first)
                    {
                        it = zim_file->findx("A/"+url_a1.toUpper().toStdString()+".HTML");
                        if (!it.first)
                        {
                            it = zim_file->findx("A/"+url_a1.toStdString()+"/index.html");
                            if (!it.first)
                            {
                                it = zim_file->findx("A/"+url_a1.toUpper().toStdString()+"/INDEX.HTML");
                                if (!it.first)
                                {
                                    it = zim_file->findx("A/"+url_a1.toStdString()+"/index.htm");
                                    if (!it.first)
                                    {
                                        it = zim_file->findx("A/"+url_a1.toUpper().toStdString()+"/INDEX.HTM");
                                        if (!it.first)
                                        {
                                            it = zim_file->findx("A/"+url_a1.toStdString()+"/index");
                                            if (!it.first)
                                            {
                                                it = zim_file->findx("A/"+url_a1.toUpper().toStdString()+"/INDEX");
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        if (!it.first)
        {
            it = zim_file->findx("A/"+url_a1.toUtf8().toStdString());
            if (!it.first)
            {
                it = zim_file->findx(url_a1.toUtf8().toStdString());
                if (!it.first)
                {
                    it = zim_file->findx("A/"+url_a1.toUtf8().toStdString()+".html");
                    if (!it.first)
                    {
                        it = zim_file->findx("A/"+url_a1.toUtf8().toUpper().toStdString()+".HTML");
                        if (!it.first)
                        {
                            it = zim_file->findx("A/"+url_a1.toUtf8().toStdString()+"/index.html");
                            if (!it.first)
                            {
                                it = zim_file->findx("A/"+url_a1.toUtf8().toUpper().toStdString()+"/INDEX.HTML");
                                if (!it.first)
                                {
                                    it = zim_file->findx("A/"+url_a1.toUtf8().toStdString()+"/index.htm");
                                    if (!it.first)
                                    {
                                        it = zim_file->findx("A/"+url_a1.toUtf8().toUpper().toStdString()+"/INDEX.HTM");
                                        if (!it.first)
                                        {
                                            it = zim_file->findx("A/"+url_a1.toUtf8().toStdString()+"/index");
                                            if (!it.first)
                                            {
                                                it = zim_file->findx("A/"+url_a1.toUtf8().toUpper().toStdString()+"/INDEX");
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        if (!it.first)
        {
            it = zim_file->findx("A/"+url_a2.toStdString());
            if (!it.first)
            {
                it = zim_file->findx(url_a2.toStdString());
                if (!it.first)
                {
                    it = zim_file->findx("A/"+url_a2.toStdString()+".html");
                    if (!it.first)
                    {
                        it = zim_file->findx("A/"+url_a2.toUpper().toStdString()+".HTML");
                        if (!it.first)
                        {
                            it = zim_file->findx("A/"+url_a2.toStdString()+"/index.html");
                            if (!it.first)
                            {
                                it = zim_file->findx("A/"+url_a2.toUpper().toStdString()+"/INDEX.HTML");
                                if (!it.first)
                                {
                                    it = zim_file->findx("A/"+url_a2.toStdString()+"/index.htm");
                                    if (!it.first)
                                    {
                                        it = zim_file->findx("A/"+url_a2.toUpper().toStdString()+"/INDEX.HTM");
                                        if (!it.first)
                                        {
                                            it = zim_file->findx("A/"+url_a2.toStdString()+"/index");
                                            if (!it.first)
                                            {
                                                it = zim_file->findx("A/"+url_a2.toUpper().toStdString()+"/INDEX");
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        if (!it.first)
        {
            it = zim_file->findx("A/"+url_a2.toUtf8().toStdString());
            if (!it.first)
            {
                it = zim_file->findx(url_a2.toUtf8().toStdString());
                if (!it.first)
                {
                    it = zim_file->findx("A/"+url_a2.toUtf8().toStdString()+".html");
                    if (!it.first)
                    {
                        it = zim_file->findx("A/"+url_a2.toUtf8().toUpper().toStdString()+".HTML");
                        if (!it.first)
                        {
                            it = zim_file->findx("A/"+url_a2.toUtf8().toStdString()+"/index.html");
                            if (!it.first)
                            {
                                it = zim_file->findx("A/"+url_a2.toUtf8().toUpper().toStdString()+"/INDEX.HTML");
                                if (!it.first)
                                {
                                    it = zim_file->findx("A/"+url_a2.toUtf8().toStdString()+"/index.htm");
                                    if (!it.first)
                                    {
                                        it = zim_file->findx("A/"+url_a2.toUtf8().toUpper().toStdString()+"/INDEX.HTM");
                                        if (!it.first)
                                        {
                                            it = zim_file->findx("A/"+url_a2.toUtf8().toStdString()+"/index");
                                            if (!it.first)
                                            {
                                                it = zim_file->findx("A/"+url_a2.toUtf8().toUpper().toStdString()+"/INDEX");
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        if(it.first)
        {
            if (it.second->isRedirect())
              return QString::fromStdString(std::string(it.second->getRedirectArticle().getData().data(), it.second->getRedirectArticle().getData().size()));
            else
              return QString::fromStdString(std::string(it.second->getData().data(), it.second->getData().size()));
        }
        else return tr("对不起，没找到内容");
    }
    catch(...) {return tr("对不起，程序出错了!");}
}

QString offline_pkg::get_text_with_other_from_url(QString & url, QString &cache_dir)
{
    if(!zim_exist) return "";
    QRegExp parse("[\\?#].*$");
    parse.setMinimal(false);
    url.remove(QRegExp("#.*$"));
    QUrl url_a(url);
    QString url_a1 = url_a.resolved(url).toString().replace(QRegExp("[/\\\\]{2,}"),"/").remove(QRegExp("^/")).remove(parse);
    QString url_a2 = url_a.resolved(url).toString(QUrl::FullyEncoded).replace(QRegExp("[/\\\\]{2,}"),"/").remove(QRegExp("^/")).remove(parse);
    url.replace(QRegExp("[/\\\\]{2,}"),"/").remove(QRegExp("^/")).remove(parse);
    try{
        auto it = zim_file->findx("A/"+url.toStdString());
        if (!it.first)
        {
            it = zim_file->findx(url.toStdString());
            if (!it.first)
            {
                it = zim_file->findx("A/"+url.toStdString()+".html");
                if (!it.first)
                {
                    it = zim_file->findx("A/"+url.toUpper().toStdString()+".HTML");
                    if (!it.first)
                    {
                        it = zim_file->findx("A/"+url.toStdString()+"/index.html");
                        if (!it.first)
                        {
                            it = zim_file->findx("A/"+url.toUpper().toStdString()+"/INDEX.HTML");
                            if (!it.first)
                            {
                                it = zim_file->findx("A/"+url.toStdString()+"/index.htm");
                                if (!it.first)
                                {
                                    it = zim_file->findx("A/"+url.toUpper().toStdString()+"/INDEX.HTM");
                                    if (!it.first)
                                    {
                                        it = zim_file->findx("A/"+url.toStdString()+"/index");
                                        if (!it.first)
                                        {
                                            it = zim_file->findx("A/"+url.toUpper().toStdString()+"/INDEX");
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        if (!it.first)
        {
            it = zim_file->findx("A/"+url.toUtf8().toStdString());
            if (!it.first)
            {
                it = zim_file->findx(url.toUtf8().toStdString());
                if (!it.first)
                {
                    it = zim_file->findx("A/"+url.toUtf8().toStdString()+".html");
                    if (!it.first)
                    {
                        it = zim_file->findx("A/"+url.toUtf8().toUpper().toStdString()+".HTML");
                        if (!it.first)
                        {
                            it = zim_file->findx("A/"+url.toUtf8().toStdString()+"/index.html");
                            if (!it.first)
                            {
                                it = zim_file->findx("A/"+url.toUtf8().toUpper().toStdString()+"/INDEX.HTML");
                                if (!it.first)
                                {
                                    it = zim_file->findx("A/"+url.toUtf8().toStdString()+"/index.htm");
                                    if (!it.first)
                                    {
                                        it = zim_file->findx("A/"+url.toUtf8().toUpper().toStdString()+"/INDEX.HTM");
                                        if (!it.first)
                                        {
                                            it = zim_file->findx("A/"+url.toUtf8().toStdString()+"/index");
                                            if (!it.first)
                                            {
                                                it = zim_file->findx("A/"+url.toUtf8().toUpper().toStdString()+"/INDEX");
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        if (!it.first)
        {
            it = zim_file->findx("A/"+url_a1.toStdString());
            if (!it.first)
            {
                it = zim_file->findx(url_a1.toStdString());
                if (!it.first)
                {
                    it = zim_file->findx("A/"+url_a1.toStdString()+".html");
                    if (!it.first)
                    {
                        it = zim_file->findx("A/"+url_a1.toUpper().toStdString()+".HTML");
                        if (!it.first)
                        {
                            it = zim_file->findx("A/"+url_a1.toStdString()+"/index.html");
                            if (!it.first)
                            {
                                it = zim_file->findx("A/"+url_a1.toUpper().toStdString()+"/INDEX.HTML");
                                if (!it.first)
                                {
                                    it = zim_file->findx("A/"+url_a1.toStdString()+"/index.htm");
                                    if (!it.first)
                                    {
                                        it = zim_file->findx("A/"+url_a1.toUpper().toStdString()+"/INDEX.HTM");
                                        if (!it.first)
                                        {
                                            it = zim_file->findx("A/"+url_a1.toStdString()+"/index");
                                            if (!it.first)
                                            {
                                                it = zim_file->findx("A/"+url_a1.toUpper().toStdString()+"/INDEX");
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        if (!it.first)
        {
            it = zim_file->findx("A/"+url_a1.toUtf8().toStdString());
            if (!it.first)
            {
                it = zim_file->findx(url_a1.toUtf8().toStdString());
                if (!it.first)
                {
                    it = zim_file->findx("A/"+url_a1.toUtf8().toStdString()+".html");
                    if (!it.first)
                    {
                        it = zim_file->findx("A/"+url_a1.toUtf8().toUpper().toStdString()+".HTML");
                        if (!it.first)
                        {
                            it = zim_file->findx("A/"+url_a1.toUtf8().toStdString()+"/index.html");
                            if (!it.first)
                            {
                                it = zim_file->findx("A/"+url_a1.toUtf8().toUpper().toStdString()+"/INDEX.HTML");
                                if (!it.first)
                                {
                                    it = zim_file->findx("A/"+url_a1.toUtf8().toStdString()+"/index.htm");
                                    if (!it.first)
                                    {
                                        it = zim_file->findx("A/"+url_a1.toUtf8().toUpper().toStdString()+"/INDEX.HTM");
                                        if (!it.first)
                                        {
                                            it = zim_file->findx("A/"+url_a1.toUtf8().toStdString()+"/index");
                                            if (!it.first)
                                            {
                                                it = zim_file->findx("A/"+url_a1.toUtf8().toUpper().toStdString()+"/INDEX");
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        if (!it.first)
        {
            it = zim_file->findx("A/"+url_a2.toStdString());
            if (!it.first)
            {
                it = zim_file->findx(url_a2.toStdString());
                if (!it.first)
                {
                    it = zim_file->findx("A/"+url_a2.toStdString()+".html");
                    if (!it.first)
                    {
                        it = zim_file->findx("A/"+url_a2.toUpper().toStdString()+".HTML");
                        if (!it.first)
                        {
                            it = zim_file->findx("A/"+url_a2.toStdString()+"/index.html");
                            if (!it.first)
                            {
                                it = zim_file->findx("A/"+url_a2.toUpper().toStdString()+"/INDEX.HTML");
                                if (!it.first)
                                {
                                    it = zim_file->findx("A/"+url_a2.toStdString()+"/index.htm");
                                    if (!it.first)
                                    {
                                        it = zim_file->findx("A/"+url_a2.toUpper().toStdString()+"/INDEX.HTM");
                                        if (!it.first)
                                        {
                                            it = zim_file->findx("A/"+url_a2.toStdString()+"/index");
                                            if (!it.first)
                                            {
                                                it = zim_file->findx("A/"+url_a2.toUpper().toStdString()+"/INDEX");
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        if (!it.first)
        {
            it = zim_file->findx("A/"+url_a2.toUtf8().toStdString());
            if (!it.first)
            {
                it = zim_file->findx(url_a2.toUtf8().toStdString());
                if (!it.first)
                {
                    it = zim_file->findx("A/"+url_a2.toUtf8().toStdString()+".html");
                    if (!it.first)
                    {
                        it = zim_file->findx("A/"+url_a2.toUtf8().toUpper().toStdString()+".HTML");
                        if (!it.first)
                        {
                            it = zim_file->findx("A/"+url_a2.toUtf8().toStdString()+"/index.html");
                            if (!it.first)
                            {
                                it = zim_file->findx("A/"+url_a2.toUtf8().toUpper().toStdString()+"/INDEX.HTML");
                                if (!it.first)
                                {
                                    it = zim_file->findx("A/"+url_a2.toUtf8().toStdString()+"/index.htm");
                                    if (!it.first)
                                    {
                                        it = zim_file->findx("A/"+url_a2.toUtf8().toUpper().toStdString()+"/INDEX.HTM");
                                        if (!it.first)
                                        {
                                            it = zim_file->findx("A/"+url_a2.toUtf8().toStdString()+"/index");
                                            if (!it.first)
                                            {
                                                it = zim_file->findx("A/"+url_a2.toUtf8().toUpper().toStdString()+"/INDEX");
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        if(it.first)
        {
            if (it.second->isRedirect())
              str = QString::fromStdString(std::string(it.second->getRedirectArticle().getData().data(), it.second->getRedirectArticle().getData().size()));
            else
              str =  QString::fromStdString(std::string(it.second->getData().data(), it.second->getData().size()));
        }
        else return tr("对不起，没找到内容");

        int pos = 0;
        QString url2 = url;
        url2.remove(QRegExp("[^/\\\\]*$"));
        QUrl url3(url2);
        QString url4;
        QString url5;
        dir.mkpath(cache_dir+url2);
        while ((pos = img.indexIn(str, pos)) != -1)
        {
            pos += img.matchedLength();
            url4 = url3.resolved(img.cap(1)).toString();
            url5 = url3.resolved(img.cap(1)).toString(QUrl::FullyEncoded);
            url4.remove(QRegExp("#.*$"));
            url5.remove(QRegExp("#.*$"));
            if(QFile::exists(cache_dir+url4)) continue;
            if(QFile::exists(cache_dir+url5)) continue;
            it = zim_file->findx(QString("A/"+url4).replace(QRegExp("[/\\\\]{2,}"),"/").remove(parse).toStdString());
            if (!it.first) it = zim_file->findx(QString("A/"+url4).replace(QRegExp("[/\\\\]{2,}"),"/").remove(parse).toUtf8().toStdString());
            if (!it.first) it = zim_file->findx(QString("A/"+url4).replace(QRegExp("[/\\\\]{2,}"),"/").remove(parse).toLocal8Bit().toStdString());
            if (!it.first) it = zim_file->findx(QString("A/"+url5).replace(QRegExp("[/\\\\]{2,}"),"/").remove(parse).toStdString());
            if (!it.first) it = zim_file->findx(QString("A/"+url5).replace(QRegExp("[/\\\\]{2,}"),"/").remove(parse).toUtf8().toStdString());
            if (!it.first) it = zim_file->findx(QString("A/"+url5).replace(QRegExp("[/\\\\]{2,}"),"/").remove(parse).toLocal8Bit().toStdString());
            if (!it.first) it = zim_file->findx(QString("A/"+url2+img.cap(1).replace(QRegExp("[/\\\\]{2,}"),"/")).toStdString());
            if (!it.first) it = zim_file->findx(QString("A/"+url2+img.cap(1).replace(QRegExp("[/\\\\]{2,}"),"/")).toUtf8().toStdString());
            if (!it.first) it = zim_file->findx(QString("A/"+url2+img.cap(1).replace(QRegExp("[/\\\\]{2,}"),"/")).toLocal8Bit().toStdString());
            if (it.first)
            {
                img_file.setFileName(cache_dir+url2+img.cap(1));
                fileinfo.setFile(img_file);
                dir.mkpath(fileinfo.absolutePath());
                if (it.second->isRedirect())
                {
                    img_file.open(QFile::ReadWrite);
                    img_file.write(it.second->getRedirectArticle().getData().data(), it.second->getRedirectArticle().getData().size());
                    img_file.close();
                }
                else
                {
                    img_file.open(QFile::ReadWrite);
                    img_file.write(it.second->getData().data(), it.second->getData().size());
                    img_file.flush();
                    img_file.close();
                }
                if (url2+img.cap(1) != url4)
                {
                    img_file.setFileName(cache_dir+url4);
                    fileinfo.setFile(img_file);
                    dir.mkpath(fileinfo.absolutePath());
                    if (it.second->isRedirect())
                    {
                        img_file.open(QFile::ReadWrite);
                        img_file.write(it.second->getRedirectArticle().getData().data(), it.second->getRedirectArticle().getData().size());
                        img_file.close();
                    }
                    else
                    {
                        img_file.open(QFile::ReadWrite);
                        img_file.write(it.second->getData().data(), it.second->getData().size());
                        img_file.flush();
                        img_file.close();
                    }
                }
                if (url2+img.cap(1) != url5&&url5 != url4)
                {
                    img_file.setFileName(cache_dir+url5);
                    fileinfo.setFile(img_file);
                    dir.mkpath(fileinfo.absolutePath());
                    if (it.second->isRedirect())
                    {
                        img_file.open(QFile::ReadWrite);
                        img_file.write(it.second->getRedirectArticle().getData().data(), it.second->getRedirectArticle().getData().size());
                        img_file.close();
                    }
                    else
                    {
                        img_file.open(QFile::ReadWrite);
                        img_file.write(it.second->getData().data(), it.second->getData().size());
                        img_file.flush();
                        img_file.close();
                    }
                }
            }
        }
        return str;
    }
    catch(...) {return tr("对不起，程序出错了!");}
}