???????????
    ??????activiti-engine-x.jar ?? /org/activiti/db/create?μ?DDL?????
????????????
??????activiti-engine??jar???classpath??
????????????????????
??????Activiti??????? (activiti.cfg.xml) ??? classpath?￡? ????????????ο??????????????
??????? DbSchemaCreate ???main????
???????磺
????ProcessEngineConfiguration
????.createProcessEngineConfigurationFromResourceDefault()
????.setDatabaseSchemaUpdate(ProcessEngineConfigurationImpl.DB_SCHEMA_UPDATE_CREATE)
????.setJdbcUrl("jdbc:h2:tcp://localhost/activiti") --????????
????.buildProcessEngine();