BEGIN
定义变量;
DECLARE STOP_FLAG INT DEFAULT 0;
DECLARE MINGZI CURSOR FOR
SQL语句;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET STOP_FLAG=1;
OPEN MINGZI
L1:LOOP
FETCH MINGZI INTO 变量;
IF STOP_FLAG THEN
LEAVE L1;
END IF ; 控制跳出循环;
业务逻辑语句;
END LOOP L1;
CLOSE MIGNZI;
END;