1、找到oracle的安装目录：如 D:\Oracle\product\10.2.0\db_2\network\ADMIN
2、找到network文件夹下的ADMIN文件夹
3、打开listener.ora文件
4.修改listener.ora文件
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
)
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = mycomputer（自己的电脑名）)(PORT = 1521))
)
)