epsg对照表 * EPSG HSQL Plugin: will unpack an hsql database containing the official epsg database into a temp directory, a great solution for desktop applications.
* EPSG WKT Plugin: uses an internal property file and is lightweight rather than official and correct. A great solution for applets
* EPSG Postgres Plugin: uses the official epsg database which you have to load into PostgreSQL yourself. A great solution for Java EE applications.
* EPSG Access Plugin: directly use an the official epsg database as distributed. A great solution for windows users.
* EPSG Oracle Plugin: currently unsupported