mysql存储过程中有3中循环
1、while-end while 循环
....
2、loop-end loop 循环
create procedure p2()
begin
declare i int default 0;
myloop:loop
set i=i+1;
select concat('--> ',i);
if i=10 then
leave myloop;
end if;
end loop myloop;
end
create procedure p3(in str2 varchar(10),in count int,inout result varchar(200))
begin
declare i int default 0;
set result='';
myloop:loop
set i=i+1;
set result=concat(result,str2);
if i=count then
leave myloop;
end if;
end loop myloop;
end
3、repeat-until 循环
...