CppSQLite3_xml模拟数据库操作类,自己根据CppSQLite3改写的数据库操作类,改成了对xml操作，增删改查功能已经实现，可对简单的sql语句进行执行，经过测试发下xml数据库只能存储1500条左右，该类还有待改进，对于数据库语句操作的初级入门有一定的学习和借鉴作用，高手可不用。-CppSQLite3_xml simulation　operations, according to their own CppSQLite3 rewritten　operations, changed to xml operation CRUD function has been achieved, can　 simple sql statement, issued after a test xml　can store about 1500 , the class could be improved, the primary entry for the　operations have a certain statements and learn the role, experts can not.