BEGIN  dbms_network_acl_admin.create_acl( acl => '随便起的名字.xml',                                     description => '注释',                                     principal => '数据库名字',  --数据库用户名                                     is_grant => TRUE,--是否赋权                                     privilege => 'connect');  dbms_network_acl_admin.assign_acl(acl  => 'cmsToEsbService.xml',                                    host => '访问的wsdl地址的域名',                                    lower_port  => '端口(可不写)',                                    upper_port  => '端口(可不写)');                                END;--删除ACL权限BEGIN  DBMS_NETWORK_ACL_ADMIN.drop_acl(acl => '随便起的名字.xml');END;--查询ACLSELECT host, lower_port, upper_port, acl FROM dba_network_acls;SELECT acl,       principal,       privilege,       is_grant,       TO_CHAR(start_date, 'DD-MON-YYYY') AS start_date,       TO_CHAR(end_date, 'DD-MON-YYYY') AS end_date  FROM dba_network_acl_privileges;