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MySQL 有输入输出参数的存储过程实例

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Release: 2016-06-07 18:01:32
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MySQL 有输入输出参数的存储过程实例

1、实例
代码如下:
DELIMITER //
DROP PROCEDURE IF EXISTS `test`.`p_getvalue` //
CREATE DEFINER=`root`@`localhost` PROCEDURE `p_getvalue`(
in id varchar(20),out s varchar(20)
)
begin
if (length(id)=11) then select 'A_B_C_D' into s;
elseif(length(id)=8) then select 'A_B_C' into s;
elseif(length(id)=5) then select 'A_B' into s;
elseif(length(id)=2) then select 'A' into s;
end if;
select s;
end //
DELIMITER ;

2、调用
代码如下:
CALL p_getvalue('11000112',@S)

3、结果
'A_B_C'
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