WhyCan Forum(哇酷开发者社区)

void CPluginManager::loadAll() {
    //进入插件目录
    QDir path = QDir(qApp->applicationDirPath());
    path.cd("plugins");
    //初始化插件中的元数据
            foreach(QFileInfo info, path.entryInfoList(QDir::Files | QDir::NoDotAndDotDot)) {
            scan(info.absoluteFilePath());
        }
    //加载插件
            foreach(QFileInfo info, path.entryInfoList(QDir::Files | QDir::NoDotAndDotDot)) {
            load(info.absoluteFilePath());
        }
}

void CPluginManager::load(const QString &path) {
    if (!QLibrary::isLibrary(path)) {
        return;
    }
    if (!d->check(path)) {
        return;
    }
    auto loader = new QPluginLoader(path);
    if (loader->load()) {
        //如果继承自我们的 plugin接口，则认为是自己的插件，防止外部插件注入
        CPlugin *plugin = qobject_cast<CPlugin *>(loader->instance());
        if (plugin) {
            d->m_loaders.insert(path, loader);
        } else {
            delete loader;
            loader = Q_NULLPTR;
        }
    }


}