spring - jdbcTemplate 调用存储过程

@Resource
NamedParameterJdbcTemplate jdbcTemplate;

public Object[] getvalueprem(String branchid, String productcode,
            String providerid, String channeltype, String premiummode,
            String premiumperiod, Double modalprem, int policyyear,
            String basebankno) {
        String sql = "{call pkg_operation_policyGather.getValuePrem(?,?,?,?,?,?,?,?,?,?,?,?,?)}";

        Object[] obj = jdbcTemplate.getJdbcOperations().execute(sql,
                new CallableStatementCallback() {
                    public Object[] doInCallableStatement(CallableStatement cs)
                            throws SQLException, DataAccessException {
//前面9个是输入参数，后面4个是输出参数
                        cs.setString(1, null);
                        cs.setString(2, "P0975");
                        cs.setString(3, "PRO00000000000AA");
                        cs.setString(4, "CHANNELTYPE_G");
                        cs.setString(5, "PREMIUMMODE_Y");
                        cs.setString(6, "C042525");
                        cs.setDouble(7, 45);
                        cs.setInt(8, 1);
                        cs.setString(9, null);
                        cs.registerOutParameter(10, OracleTypes.VARCHAR);
                        cs.registerOutParameter(11, Types.VARCHAR);
                        cs.registerOutParameter(12, Types.FLOAT);
                        cs.registerOutParameter(13, Types.FLOAT);
                        cs.execute();
                        return new Object[] { cs.getString(10),
                                cs.getString(11), cs.getDouble(12),
                                cs.getDouble(13) };
                    }
                });
        System.out.println(obj[1]);
        return obj;
    }