sql> create or replace procedure jl_test
2 (a in varchar2,b out varchar2)
3 as
4 begin
5 b:= a;
6 end;
7 /
sql> var c varchar2(10);
sql> exec jl_test('01',:c)
pl/sql 過程已成功完成。
sql> print c
c
--------------------------------
01

　　在java中調用存儲過程用的是call ps_name