OracleDB,MySQL×Ö·û´®²Ù×÷º¯ÊýINSTR£¬SUBSTRING_INDEX
ÌâÄ¿£º¸ø¶¨Ò»¸ö·Ö¸î·û£¬ÔõÑùµÃµ½¸ø¶¨×Ö·û´®×îºóÒ»¸ö·Ö¸î·ûºóµÄ×Ö·û´®¡£ È磺‘fsb-ibees-zxj-fsbk’ ÔõÑùµÃµ½fsbk, ÒªÇó£ºjavaʵÏÖ£¬sqlʵÏÖ£¿sql¿ÉÒÔÊÇoracle£¬mysqlµÈʵÏÖ¡£
1.OracleʵÏÖ
SET SERVEROUTPUT ON;
DECLARE
str VARCHAR2(266):='123-890-ibees-zxj';--±»½âÎöµÄ×Ö·û´®
splitStr VARCHAR2(64):= '-';--·Ö¸î×Ö·û´®
astr VARCHAR2(266); --×îºóÒ»¸ö·Ö¸î·ûºóµÄ×Ö·û´®
BEGIN
SELECT SUBSTR(str,INSTR(str,splitStr,-1,1)+1,LENGTH(str)-INSTR(str,splitStr,-1,1)+1)
INTO astr
from DUAL;
DBMS_OUTPUT.PUT_LINE(astr);
END;
/
Ö÷ÒªÊÇINSTRµÄÓ÷¨¡£¼òµ¥µÄÓ÷¨Îª:
SELECT SUBSTR('123-890-ibees-zxj',INSTR('123-890-ibees-zxj','-',-3,1)+1,LENGTH('123-890-ibees-zxj')-INSTR('123-890-ibees-zxj','-',-3,1)+1) from DUAL;
2. MySQLʵÏÖ
SELECT SUBSTRING_INDEX('123-890-ibees-zxj','-',-1) ;
Õâ¸ö·½·¨Ö±½Ó»ñµÃ×îºóÒ»¸ö·Ö¸î·ûºóµÄ×Ö·û´®.
3.JavaʵÏÖ
String s = "jdkfdsf-sdekjre-kdkf";
String[] sarray = s.split('-');
String last = sarray[sarray.length-1];
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