存储过程批量插入

CREATE DEFINER=`root`@`%` PROCEDURE `batchInsert`(IN loop_times INT)
BEGIN
     DECLARE var INT;
     SET var = 0;
     set @exeSql=concat("insert into cdb_dynamic (typeId,addTime,userId) VALUES (1,1470540371,1)");  

     WHILE var < loop_times DO
           set @exeSql=concat(@exeSql,", (1,1470540371,1)");
           SET var = var + 1;
     END WHILE;
     prepare stmt from @exeSql;
     EXECUTE stmt;
     deallocate prepare stmt;
     END;