用jdbc连接oracle,很奇怪的问题
String jdbcUrl = "jdbc:oracle:thin:@127.0.0.1:1522:account";
这样写时报错:The Network Adapter could not establish the connection
改成这样:String jdbcUrl = "jdbc:oracle:thin:@" + "(DESCRIPTION ="
+ "(ADDRESS_LIST ="
+ "(ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1522))"
+" )"
+ "(CONNECT_DATA ="
+ " (SERVICE_NAME = account)"
+ ")"
+")";
就没问题了,哪位大侠能给解释一下,谢谢阿。