#include "dataLoader.h" QVariant DataLoader::LoadTask::fetchRealData(const QString& key) { //后续替换成实际接口 return QVariant(); } DataLoader::DataLoader(QObject* parent) : QObject(parent) { m_threadPool.setMaxThreadCount(5); } DataLoader::~DataLoader() { handleShutdown(); } void DataLoader::requestData(const QString& dataKey) { QMutexLocker lockder(&m_taskMutex); if(m_runningTasks.contains(dataKey)) return; LoadTask* task = new LoadTask(this, dataKey); m_runningTasks.insert(dataKey, task); m_threadPool.start(task); } void DataLoader::handleShutdown() {}