mysql> create procedure pro10()
    -> begin
    -> declare i int;
    -> set i=0;
    -> while i<5 do
    ->     insert into t1(filed) values(i);
    ->     set i=i+1;
    -> end while;
    -> end;//
Query OK, 0 rows affected (0.00 sec)

------解决方案--------------------
SQL code
mysql> create procedure pro11()
    -> begin
    -> declare i int default 0;
    -> repeat
    ->     insert into t1(filed) values(i);
    ->     set i=i+1;
    ->     until i>=5
    -> end repeat;
    -> end;//
Query OK, 0 rows affected (0.00 sec)


mysql> create procedure pro12()
    -> begin
    -> declare i int default 0;
    -> loop_label: loop
    ->     insert into t1(filed) values(i);
    ->     set i=i+1;
    ->     if i>=5 then
    ->         leave loop_label;
    ->     end if;
    -> end loop;
    -> end;//