create or replace package ArrayTestPKG1 is
   type tt_type is table of varchar(32) INDEX BY BINARY_INTEGER;  --- 定义数组
   type table2 is table of tableA.columnA%type index by binary_integer;

   function toArray(Liststr in varchar, V1 out tt_type) return number;
  
  
   Procedure test;
END ArrayTestPKG1;

/
show errors;
create or replace package body ArrayTestPKG1 is

    function toArray(Liststr in varchar, V1 out tt_type) return number is
        TmpStr varchar(32);
        Str    varchar(4000);
        j      number;
    begin
        Str := Liststr;
        j   := 0;
        IF Instr(Liststr, ',', 1, 1) = 0 THEN
          V1(j) := Liststr;
          j := j + 1;
        else
          While Instr(str, ',', 1, 1) > 0 Loop
            TmpStr := Substr(str, 1, Instr(str, ',', 1, 1) - 1);
         
            V1(j) := TmpStr;
            str := SubStr(Str, Instr(str, ',', 1, 1) + 1, length(str));
            j := j + 1;
          end loop;
          if not str is null then
           --将最后一个保存
            V1(j) := str;
            j := j + 1;
          end if;
        end if;
        return J;
    EXCEPTION
  WHEN OTHERS THEN
      dbms_output.put_line('sqlerrm:'||sqlerrm);
    end;
 
 
  --计算某一天所有上下文的消费数据
  Procedure test Is

      t1 tt_type;
      v_char varchar(150):='';
      v_cnt  number:=0;
  Begin
 dbms_output.put_line('start!!!');
 
 v_char:='aaaa,bbbb,cccc,dddd,eee,ffff';
 v_cnt := toArray(v_char,t1);
 dbms_output.put_line('v_char:'||v_char);
 dbms_output.put_line('v_cnt:'||v_cnt);
 dbms_output.put_line('t1:'||t1(3));
 dbms_output.put_line('end!!!');
  End;

begin
  -- Initialization
  Null;
end ArrayTestPKG1;
/
show errors;

SQL> exec ArrayTestPKG1.test;
start!!!
v_char:aaaa,bbbb,cccc,dddd,eee,ffff
v_cnt:6
t1:dddd
end!!!

PL/SQL procedure successfully completed.