摘要：1.SP 写法：DROP PROCEDURE IF EXISTS UserRegister;CREATE PROCEDURE UserRegister( IN EmailPara varchar(300), IN PwdPara varchar(100),IN UserIpPara varchar(100), OUT OutPutValue INT)BEGINDECLARE _err int;DECLARE CONTINUE HANDLER FOR SQLEXCEPTION,SQLWARNING,NOT FOUND set _err=1;START TRANSACTION; if EXIST. 阅读全文