call PROCEDURE_split('分享,代碼,片段',',');
select * from splittable;

drop PROCEDURE if exists procedure_split;
CREATE PROCEDURE `procedure_split`(
??? inputstring varchar(1000),
??? delim char(1)
)
begin
??? declare strlen int DEFAULT length(inputstring);
??? declare last_index int DEFAULT 0;
??? declare cur_index int DEFAULT 1;
??? declare cur_char VARCHAR(200);
??? declare len int;
??? drop temporary table if exists splittable;
??? create TEMPORARY table splittable(
??????? value VARCHAR(20)
??? ) ;
??? WHILE(cur_index<=strlen) DO???
??? begin
??????? if substring(inputstring from cur_index for 1)=delim or cur_index=strlen then
??????????? set len=cur_index-last_index-1;
??????????? if cur_index=strlen then
?????????????? set len=len+1;
??????????? end if;
??????????? insert into splittable(`value`)values(substring(inputstring from (last_index+1) for len));
??????????? set last_index=cur_index;
??????? end if;
??????? set cur_index=cur_index+1;
??? END;
??? end while;
end ;