// // Created by dongl on 23-4-25. // #include "linkDB.h" LinkDB::LinkDB() {} LinkDB::~LinkDB() { delete pool; } ConnectionPool* LinkDB::pool = nullptr; mysqlpp::Connection* LinkDB::safe_grab() { if (pool == nullptr) { pool = new ConnectionPool("124.221.152.192", "ims", "IMS", "WimTFC8N58kznx2k"); } return pool->safe_grab(); }