mysql-procedure多参数（测试）

CREATE DEFINER=`root`@`localhost` PROCEDURE `aac`(_id NVARCHAR(50), _startDay NVARCHAR(50), _endDay NVARCHAR(50))
BEGIN

DECLARE tmpId NVARCHAR(50);
DECLARE tmpStartDay NVARCHAR(50);
DECLARE tmpEndDay NVARCHAR(50);
DECLARE sqlText NVARCHAR(5000);

SET @tmpId = _id;
SET @tmpStartDay = _startDay;
SET @tmpEndDay = _endDay;

SET @sqlText = 'SELECT * FROM level WHERE 1=1 ';

IF _id<>'' THEN SET @sqlText = concat(@sqlText, ' AND id=@tmpId  '); END IF;

IF _startDay<>'' && _endDay<>'' THEN
SET @sqlText = concat(@sqlText, ' AND createdate BETWEEN @tmpStartDay AND  @tmpEndDay');
END IF;

PREPARE A FROM @sqlText;
EXECUTE A;

END