mysql存储过程分隔字符串

create procedure split_str(in data varchar(200),in deli varchar(10))
begin
 declare i int default 0;
 declare lfstr varchar(200) default ' ';
 declare instr varchar(50);
 while lfstr <> data do
  set i=i+1;
  set lfstr=substring_index(data,deli,i);
  set instr=substring_index(lfstr,deli,-1);
  insert into tb1char value(instr);
 end while;
end;

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