摘要：
一、QSqlQueryModel类 The QSqlQueryModel class provides a read-only data model for SQL result sets. QSqlQueryModel is a high-level interface for executing SQL statements and traversing the result set. It is built on top of the lower-levelQSqlQueryand can be used to provide data to view classes such asQT 阅读全文
摘要：
QSqlDatabase db = QSqlDatabase::addDatabase(“QSQLITE”); //添加数据库驱动 db.setDatabaseName(“:memory:”); //数据库连接命名 if(!db.open()) //打开数据库 { return false; } QSqlQuery query; //以下执行相关QSL语句query.exec(“select id,name from student where id >= 2″); //查找表中id >=2 的记录的id项和name项的值 ... 阅读全文