oracle数据库连接

dbc:oracle:thin:@(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS=(PROTOCOL=TCP)(HOST=xxxxxxxxxip)(PORT=1521))
(ADDRESS=(PROTOCOL=TCP)(HOST=xxxxxxip)(PORT=1521))
(FAILOVER=yes)
(LOAD_BALANCE =yes)
)
(CONNECT_DATA =
(SERVICE_NAME = orcl)
)
)