数据库分割字符串循环遍历查询拼接

create or replace function get_shrdnmbyids

(

  ids varchar2,  --要分割的字符串

  strsplit varchar2  --分隔符号

)

return varchar2

is

  Result varchar2(4000);

  tempstr varchar2(4000);

  bmname varchar2(200);

  userid varchar2(200);

begin

  Result:='';

  tempstr:=ltrim(rtrim(ids));

  while instr(tempstr,strsplit)<>0 loop

     userid:=substr(tempstr,0,instr(tempstr,strsplit)-1);

     SELECT a.name||'('||b.name||')' into bmname FROM SYS_USER a left join sys_office b on a.company_id = b.id WHERE a.ID=userid;

     tempstr:=substr(tempstr,instr(tempstr,strsplit)+length(strsplit),length(tempstr));

     Result:=Result||','||bmname;

  end loop;

  if(instr(ltrim(rtrim(ids)),strsplit)<=0)

      then

        userid:=tempstr;

        SELECT a.name||'('||b.name||')' into bmname FROM SYS_USER a left join sys_office b on a.company_id = b.id WHERE a.ID=userid;

        Result:=bmname;

  else

        Result:=substr(Result,2,length(Result));

  end if;

  return Result;

end get_shrdnmbyids;

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