MySQL IP字符串转数字存储过程

DELIMITER $$

USE `db_im`$$

DROP PROCEDURE IF EXISTS `P_bi_parasIP`$$

CREATE DEFINER=`root`@`localhost` PROCEDURE `P_bi_parasIP`(
    IN Pi_ipstr VARCHAR(50),
    OUT Po_int1 INT,
    OUT Po_int2 INT,
    OUT Po_int3 INT,
    OUT Po_int4 INT,
    OUT Po_ret INT
    )
BEGIN
    DECLARE v_strtemp VARCHAR(50);
    DECLARE v_pos INT;
    DECLARE v_sub VARCHAR(10);
    DECLARE v_tail VARCHAR(50);
    DECLARE v_val INT;
    
    
    SET v_pos =0;
        SET Po_ret=1;
    SET v_strtemp =TRIM(Pi_ipstr);
    
    P:BEGIN
    /*192.168.1.1*/
    SET v_pos=INSTR(v_strtemp,'.');
    
    IF(v_pos>0 AND LENGTH(v_strtemp)>v_pos)THEN
       SET v_sub=SUBSTRING(v_strtemp,1,v_pos-1);
       SET v_tail =SUBSTRING(v_strtemp,v_pos+1);
       SET v_val =v_sub+0;
       
       IF((v_sub REGEXP '^[0-9]*$') =0)THEN
          SET Po_ret =-1;
          LEAVE P;
       ELSE
          SET Po_int1=v_val;
       END IF;    
    ELSE
       SET Po_ret =-1;
       LEAVE P;
    END IF;
    
    /* 168.1.1*/
        SET v_pos=INSTR(v_tail,'.');
    
    IF(v_pos>0 AND  LENGTH(v_tail)>v_pos)THEN
       SET v_sub=SUBSTRING(v_tail,1,v_pos-1);
       SET v_tail =SUBSTRING(v_tail,v_pos+1);
       SET v_val =v_sub+0;       
       
       IF((v_sub REGEXP '^[0-9]*$') =0)THEN
          SET Po_ret =-1;
          LEAVE P;
       ELSE
          SET Po_int2=v_val;
       END IF;    
    ELSE
       SET Po_ret =-1;
       LEAVE P;
    END IF;
    

    
    /*1.1*/
    SET v_pos=INSTR(v_tail,'.');
    
    IF(v_pos>0 AND  LENGTH(v_tail)>v_pos)THEN
       SET v_sub=SUBSTRING(v_tail,1,v_pos-1);
       SET v_tail =SUBSTRING(v_tail,v_pos+1);
       SET v_val =v_sub+0;
       
       IF((v_sub REGEXP '^[0-9]*$') =0)THEN
          SET Po_ret =-1;
          LEAVE P;
       ELSE
          SET Po_int3=v_val;
       END IF;    
    ELSE
       SET Po_ret =-1;
       LEAVE P;
    END IF;
    
        SET v_val =v_tail+0;
       
    IF((v_tail REGEXP '^[0-9]*$') =0)THEN
       SET Po_ret =-1;
       LEAVE P;
    ELSE
       SET Po_int4=v_val;
    END IF;
    
           SET Po_ret=1;    
            
    END P;
    END$$

DELIMITER ;