本模块的任务是实现SQLITE工具类，类名是CMpSqliteDb，类所在文件名是MpSqliteDb.h和MpSqliteDb.cpp。这个类实现了操作SQLITE数据库的基本操作，包括创建数据库、关闭数据库、打开数据库连接、关闭数据库连接、预编译SQL语句、执行预编译SQL语句、创建表格、修改表格名称、清空表格、删除表格、添加字段、修改字段、删除字段、添加记录等。　　-Task of this module is to achieve SQLITE tools, class name is CMpSqliteDb, the class where filename is MpSqliteDb.h and MpSqliteDb.cpp. This class implements the basic operation of the operation SQLITE database, including creating a database, close the database, open the database connection, close the database connection, pre-compiled SQL statements, execute precompiled SQL statements, create tables, modify the table name, empty tables, delete tables, add fields, modify fields, delete fields, add records.