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JDatabase

This is an abstract class representing a database connector.  The current implemented extensions of JDatabase are JDatabaseMySQL and JDatabaseMySQLi.  JDatabase follows an adapter pattern, therefore all the extended classes sit in an adapters sub-folder. 

数据库连接器的抽象类，目前已经实现的扩展的JDatabaseMySQL 和 JDatabaseMySQLi. JDatabase遵循适配器模式，因而所有的扩展类保存一个适配器的子目录中。

JQuery

This class is a query builder. 

查询语句建造类

JSimpleRecordSet

This is a class to emulate the adodb record set class for easy integration with third party libraries.

模仿ADODB的结果集类，为了与第三方的库更方便整合