qt sql 模块有哪些类？

Class	Description	translate.google
QSqlDatabase	Handles a connection to a database	处理与数据库的连接
QSqlDriverCreator	Template class that provides a SQL driver factory for a specific driver type	模板类，为特定驱动程序类型提供SQL驱动程序工厂
QSqlDriverCreatorBase	The base class for SQL driver factories	SQL驱动程序工厂的基类
QSqlDriver	Abstract base class for accessing specific SQL databases	用于访问特定SQL数据库的抽象基类
QSqlDriverPlugin	Abstract base for custom QSqlDriver plugins	自定义QSqlDriver插件的抽象基础
QSqlError	SQL database error information	SQL数据库错误信息
QSqlField	Manipulates the fields in SQL database tables and views	处理SQL数据库表和视图中的字段
QSqlIndex	Functions to manipulate and describe database indexes	用于操作和描述数据库索引的函数
QSqlQuery	Means of executing and manipulating SQL statements	执行和操作SQL语句的方法
QSqlRecord	Encapsulates a database record	封装数据库记录
QSqlResult	Abstract interface for accessing data from specific SQL databases	用于从特定SQL数据库访问数据的抽象接口
QSqlQueryModel	Read-only data model for SQL result sets	SQL结果集的只读数据模型
QSqlRelationalDelegate	Delegate that is used to display and edit data from a QSqlRelationalTableModel	委托，用于显示和编辑QSqlRelationalTableModel中的数据
QSqlRelation	Stores information about an SQL foreign key	存储有关SQL外键的信息
QSqlRelationalTableModel	Editable data model for a single database table, with foreign key support	具有外键支持的单个数据库表的可编辑数据模型
QSqlTableModel	Editable data model for a single database table	单个数据库表的可编辑数据模型