SQLITE数据库存储类对象 用到qt的QByteArray
发布时间:2020-12-12 19:59:21 所属栏目:百科 来源:网络整理
导读:typedef struct student_{ int sno; string sname;}student; //学生的结构vectorstudent data_vectordata_vector.push_back(student);QByteArray binary_data;binary_data.resize(sizeof(student)*data_vector.size());memcpy(binary_data.data(),(char*)dat
typedef struct student_ { int sno; string sname; }student; //学生的结构 vector<student> data_vector data_vector.push_back(student); QByteArray binary_data; binary_data.resize(sizeof(student)*data_vector.size()); memcpy(binary_data.data(),(char*)&data_vector[0],sizeof(student)*data_vector.size()); //类对象数据的还原 student* data = (student*)binary_data.data(); (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |