我想使用JDBC从Oracle数据库表中获取DATETIME列。这是我的代码:intcolumnType=rsmd.getColumnType(i);if(columnType==Types.DATE){DateaDate=rs.getDate(i);valueToInsert=aDate.toString();}elseif(columnType==Types.TIMESTAMP){TimestampaTimeStamp=rs.getTimestamp(i);valueToInsert=aTimeStamp.toString();}else{valueToInsert=rs.getS