修改ibatis的分页机制.原来是resultset分页.现在改为物理分页.利用方言机制.支持mssql mysql oracle.-Ibatis modify the paging mechanism. Resultset paging originally. Is now the physical page. The use of dialect mechanism. Support mssql mysql oracle.

反射工具类，提供close，run等方法，可以在释放一些资源时不抛出异常！-Reflective tools