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| 关键词： nbsp system oracmd exec SQL REPLACE errors oracle java PACKAGE |
作者：lcx 装了一个oracle db11g，于是想试一下网上流传的在sqlplus中执行cmd的一些命令，也不知怎么的，没一个好用的，可能是网上转来转去的转错了．不过有一个简单的执行cmd命令方法： SQL> host net user User accounts for \\PC-ATQHJ4UG1SDA ----------------------------------------------------------------------------__vmware_user__ admin AdministratorASPNET Guest IUSR_PC-ATQHJ4UG1SDAIWAM_PC-ATQHJ4UG1SDA SUPPORT_388945a0The command completed successfully. unix或linux下用 ! command ======================补充====================== 网上的另两种方法： １是利用msvcrt.dll 写一个c:\orac.sql 内容：Rem Rem oracmd.sql Rem Rem Run system commands via Oracle database servers Rem Rem Bugs to [email protected] Rem CREATE OR REPLACE LIBRARY exec_shell AS 'C:\windows\system32\msvcrt.dll'; / show errors CREATE OR REPLACE PACKAGE oracmd IS PROCEDURE exec (cmdstring IN CHAR); end oracmd; / show errors CREATE OR REPLACE PACKAGE BODY oracmd IS PROCEDURE exec(cmdstring IN CHAR) IS EXTERNAL NAME "system" LIBRARY exec_shell LANGUAGE C; end oracmd; / show errors 然后 C:\>sqlplus /nologSQL*Plus: Release 8.1.7.0.0 - Production on Thu Jun 7 14:25:38 2001(c) Copyright 2000 Oracle Corporation. All rights reserved.SQL> connect system/manager@orcl (分别是用户名密码和sid)Connected.SQL> @c:\orac.sqlLibrary created.No errors.Package created.No errors.Package body created.No errors.SQL>SQL> exec oracmd.exec ('dir > c:\oracle.txt'); 结果在我本机出现 第 1 行出现错误:ORA-28595: Extproc 代理: DLL 路径无效ORA-06512: 在 "SYSTEM.ORACMD", line 2ORA-06512: 在 line 1 没有成功。 第二种方法 c:\1.sqlcreate or replace and compile java souRCe named "util" as import java.io.*; import java.lang.*; public class util extends Object { public static int RunThis(String args) { Runtime rt = Runtime.getRuntime(); int RC = -1; try { Process p = rt.exec(args); int bufSize = 4096; BufferedInputStream bis =new BufferedInputStream(p.getInputStream(), bufSize); int len; byte buffer[] = new byte[bufSize]; // Echo back what the program spit out while ((len = bis.read(buffer, 0, bufSize)) != -1) System.out.write(buffer, 0, len); RC = p.waitFor(); } catch (Exception e) { e.printStackTrace(); RC = -1; } finally { return RC; } } } c:\2.sqlcreate or replace function RUN_CMz(p_cmd in varchar2) return number as language java name 'util.RunThis(java.lang.String) return integer'; c:\3.sqlcreate or replace procedure RC(p_cmd in varChar) as x number; begin x := RUN_CMz(p_cmd); end; 登陆上去后依旧是依次执行 SQL> @c:\1.sql/ @c:\2.sql / @c:\3.sql / variable x number; set serveroutput on； exec dbms_java.set_output(100000); grant javasyspriv to system； grant javauserpriv to system;（网上的方法没有这一行，我无法成功，加上去可以） exec :x:=run_cmz('ipconfig'); 成功运行了命令 测试环境win2003+oracle11g |
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