call PROCEDURE_split('分享,代码,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 ;