MySql ÅжϺº×Ö¡¢ÈÕÆÚ¡¢Êý×ֵĺ¯Êý

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/*****************************************************
1.ÅжÏ×Ö·û´®ÊÇ·ñΪºº×Ö ·µ»ØÖµ£º1-ºº×Ö 0-·Çºº×Ö
*****************************************************/
DROP FUNCTION IF EXISTS fc_is_hanzi;
CREATE FUNCTION  fc_is_hanzi(
p_str VARCHAR(1024)
)
    RETURNS int(11)
    NOT DETERMINISTIC
    SQL SECURITY DEFINER
    COMMENT '¼ì²é×Ö·û´®ÊÇ·ñΪºº×Ö'
BEGIN
/*¼ì²é×Ö·û´®ÊÇ·ñΪºº×Ö ·µ»ØÖµ£º1-ºº×Ö 0-·Çºº×Ö*/
    DECLARE _ret, i, other_cnt, l_acode INT DEFAULT 0;
    SET _ret = 0;
    SET i = 1;
    SET other_cnt = 0;
    SET l_acode = 0;
    WHILE i <= CHAR_LENGTH(p_str) DO
        SET l_acode = ASCII(SUBSTRING(p_str, i, 1));
        IF  l_acode<124 or l_acode>254 THEN
            SET other_cnt = other_cnt + 1;
        END IF;
        SET i = i + 1;
    END WHILE;
    IF other_cnt = 0 THEN
        SET _ret = 1;
    ELSE
        SET _ret = 0;
    END IF;
    RETURN _ret;
END;
/*****************************************************
2.ÅжÏÈÕÆÚ¸ñʽÊÇ·ñÕýÈ·£¨·µ»ØÖµ£º1-ÕýÈ· 0-´íÎó£©
*****************************************************/
DROP FUNCTION IF EXISTS  fc_ck_date;
CREATE FUNCTION fc_ck_date(
p_cont CHAR(32)  
)
    RETURNS tinyint(4)
    NOT DETERMINISTIC
    SQL SECURITY DEFINER
    COMMENT 'Åж¨ÈÕÆÚ¸ñʽÊÇ·ñÕýÈ·'
BEGIN
/*Åж¨ÈÕÆÚ¸ñʽÊÇ·ñÕýÈ·£¨·µ»ØÖµ£º1-ÕýÈ· 0-´íÎó£©*/
/*ÊäÈëÖµ¸ñʽΪ£ºyyyyMMdd »ò yyyy-MM-dd*/
IF(SELECT DATE_FORMAT(p