7月13 mybatis调用存储过程

 -- 创建存储过程(查询得到男性或女性的数量, 如果传入的是0就女性否则是男性)

DELIMITER $$

USE `test`$$

DROP PROCEDURE IF EXISTS `p_user_count`$$

CREATE DEFINER=`root`@`localhost` PROCEDURE `p_user_count`(IN sex_id INT, OUT user_count INT)
BEGIN
  IF sex_id = 0
  THEN
  SELECT  COUNT(*) FROM  p_user 
    WHERE p_user.sex = ‘女‘ INTO user_count;
  ELSE
  SELECT COUNT(*) FROM p_user 
    WHERE p_user.sex = ‘男‘ INTO user_count;
  END IF;
END$$

DELIMITER ;

DELIMITER ;
 SET @user_count = 0;
CALL test.p_user_count(0, @user_count);
SELECT @user_count;