MySQL Java存储过程给出错误“;参数索引1超出范围“;

MySQL Java存储过程给出错误“;参数索引1超出范围“;,java,mysql,Java,Mysql,运行此代码时,我在线程“main”java.sql.SQLException中看到异常:1的参数索引超出范围(1,0),为什么 此程序返回: public static void main(String[] args) throws Exception { Connection connection = getMySqlConnection(); CallableStatement proc = connection.prepareCall("{ call LCD

运行此代码时,我在线程“main”java.sql.SQLException中看到异常:1的参数索引超出范围(1,0),为什么

此程序返回:

public static void main(String[] args) throws Exception {
        Connection connection = getMySqlConnection();
        CallableStatement proc = connection.prepareCall("{ call LCD_GetDispInfoAllTimeTable() }");
        proc.registerOutParameter(1, Types.INTEGER);
        proc.execute();
        int returnValue = proc.getInt(1);
        System.out.println(returnValue + "");
//      conn.close();
      }


      public static Connection getMySqlConnection() throws Exception {
        String driver = "com.mysql.jdbc.Driver";
        String url = "";
        String username = "";
        String password = "";

        Class.forName(driver);
        Connection conn = DriverManager.getConnection(url, username, password);
        return conn;
      }
    }
我的程序

Niemstów 07 pętla   10  05:33:00    3673114 11558169    754378  1
NŻ Niemstów 05  16  05:35:00    3669905 11556510    754379  3
NŻ Niemstów 03  16  05:37:00    3666969 11555665    754380  3

您需要在调用字符串中指定参数:

CallableStatement proc=connection.prepareCall(“{call LCD_getdispinfoalltimeline(?)”


请注意,
,它表示要设置一个参数。现在它知道有一个参数需要设置,就像Java或其他语言中的方法一样。如果要使用多个参数,可以编写多个
,例如:
…LCD\u GetDispInfoAllTimeline(?,?)
,就过程安全声明而言,其代码是:

CREATE DEFINER=`root`@`%` PROCEDURE `LCD_GetDispInfoAllTimeTable`()
BEGIN

    SELECT bs.name as bsName, tt.busstoptype as bsType, tt.time as ttTime, bs.longitude as lon, bs.latitude as lat, tt.timetable_id as ttID, 
    Bus_Stop_Status_GET( tt.timetable_id, bst.timetable_id, bst.busstate_id ) as bus_stop_status -- 0 zrobiony, 1 - aktualny, 2- pomiędzy, 3 następne
    FROM (SELECT * FROM  mpk_currentbusstate ORDER BY changestime desc LIMIT 1 )bst
    join mpk_timetable t ON( bst.timetable_id = t.timetable_id )
    join mpk_timetable tt ON ( t.linelogin_id  = tt.linelogin_id AND t.line_id = tt.line_id AND t.brigade = tt.brigade AND t.rate = tt.rate 
        and t.schedudle_id = tt.schedudle_id)
    LEFT JOIN mpk_busstop bs ON (bs.busstop_id = tt.busstop_id)
    LEFT JOIN mpk_busstate bt ON( bst.busstate_id = bt.busstate_id );

END
如果过程定义不包含任何参数定义,
因此setParameter或registerOutParameter不能应用于此过程

如果我的过程没有参数,为什么我必须在调用中指定参数?当我在mysql中启动他的过程时,我没有设置参数,因为它有参数,输出参数也是参数。那么,你能告诉我如何获取所有行吗?当我执行这个CallableStatement proc=connection.prepareCall({call mpklocal.LCD_getdispinfoalltimeline(?);proc.registerOutParameter(1,Types.VARCHAR);我看到了同样的警报,您的存储过程是否在SQL端有输出参数?
 CREATE DEFINER=`root`@`%` PROCEDURE `LCD_GetDispInfoAllTimeTable`()
 BEGIN
 SELECT bs.name as bsName, tt.busstoptype as bsType, tt.time as ttTime,
 bs.longitude as lon, bs.latitude as lat, tt.timetable_id as ttID, 
 Bus_Stop