学习型的演示示例，使用Delphi数据库操作FindFirst方法，带有数据库测试数据，在Database文件夹中，测试前请先附加好库，设置连接信息，主要向新手演示，FindFirst的使用方法，更细节的操作请参见源码。-Learning-oriented demos, Delphi database operations FindFirst method, the test data with the database in the Database folder, test before please attach a good library, set the connection information, mainly to the novice demo, FindFirst to use, more details operations, see source.