java使用url和tns两种方式连接数据库执行存储过程

1.url方式(连接数据库并执行一个查询):

public static void main(String[] args) throws ClassNotFoundException, SQLException {
    Statement statement;
    ResultSet rs;
    Connection conn;
    String sql;
    /**
     db.driveName=oracle.jdbc.driver.OracleDriver
     db.username=user
     db.pwd=pwd
     db.url=jdbc:oracle:thin:@****:1521:ywxx
     */
    String userName = PropertiesUtil.getString("db.username");
    String userPwd = PropertiesUtil.getString("db.pwd");
    Class.forName(PropertiesUtil.getString("db.driveName"));
    String dbURL = PropertiesUtil.getString("db.url");
    conn = DriverManager.getConnection(dbURL, userName, userPwd);
    statement = conn.createStatement();
    sql = "select AA from task;";
    String aa;
    rs = statement.executeQuery(sql);
    while (rs.next()) {
        aa = rs.getString("AA");
        System.out.println(aa);
    }
    rs.close();
    conn.close();
}

2.tns需要根据名称去查找对应的信息,所以要配置一个查找路径(连接数据库并执行一个存储过程):

public static void main(String[] args) throws ClassNotFoundException, SQLException, IllegalAccessException, InstantiationException {
        /**
         db.driveName=oracle.jdbc.driver.OracleDriver
         db.username=user
         db.pwd=pwd
         db.tns=orcl
         */
        String userName = PropertiesUtil.getString("db.username");
        String userPwd = PropertiesUtil.getString("db.pwd");
        String dbURL = "jdbc:oracle:thin:@" + PropertiesUtil.getString("db.tns");
        Class.forName(PropertiesUtil.getString("db.driveName"));
        Connection conn;
        CallableStatement callableStatement;
        System.setProperty("oracle.net.tns_admin", System.getenv("ORACLE_HOME") + File.separator + "NETWORK" + File.separator + "ADMIN");
        System.out.println(System.getProperty("oracle.net.tns_admin"));
        Class.forName("oracle.jdbc.driver.OracleDriver");
        conn = DriverManager.getConnection(dbURL, userName, userPwd);
        callableStatement = conn.prepareCall("{call pro_name}");
        callableStatement.execute();
        callableStatement.close();
        conn.close();
    }