java导入导出dmp文件

本文介绍如何使用Java实现Oracle数据库的数据导出和导入操作,包括使用exp和imp命令,通过命令行执行SQL脚本,以及处理导出和导入过程中的错误信息。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

package com.broada.oracle.export;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class JavaOracle {
	public static void main(String[] args) {
		//expFile();
		impFile("COSS_R2_CHENXING_NSBD_0624");
	}

	// 从oracle导出
	public static void expFile() {
		String[] cmds = new String[3];
		String commandBuf = "exp COSS_R2_CHENXING_NSBD_0605/coss@220 file=c://test.dmp log=c://test.log";
		cmds[0] = "cmd";
		cmds[1] = "/C";
		cmds[2] = commandBuf.toString();
		Process process = null;
		try {
			process = Runtime.getRuntime().exec(cmds);
		} catch (IOException e) {
			e.printStackTrace();
		}
		boolean shouldClose = false;
		try {
			InputStreamReader isr = new InputStreamReader(process.getErrorStream());
			BufferedReader br = new BufferedReader(isr);
			String line = null;
			
			//打印出读取的oracle导出信息
			while ((line = br.readLine()) != null) {
				System.out.println(line);
				if (line.indexOf("????") != -1) {
					shouldClose = true;
					break;
				}
			}
		} catch (IOException ioe) {
			shouldClose = true;
		}
		if (shouldClose)
			process.destroy();
		int exitVal;
		try {
			exitVal = process.waitFor();
			System.out.print(exitVal);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
	}

	// 导入oracle
	public static void impFile(String user) {
		String[] cmds = new String[3];
		String commandBuf = "imp system/broada123@220 fromuser=COSS_R2_CHENXING_NSBD_0605 touser=" + user
				+ " file=c://test.dmp ignore=y";
		cmds[0] = "cmd";
		cmds[1] = "/C";
		cmds[2] = commandBuf.toString();
		Process process = null;
		try {
			process = Runtime.getRuntime().exec(cmds);
		} catch (IOException e) {
			e.printStackTrace();
		}
		boolean shouldClose = false;
		try {
			InputStreamReader isr = new InputStreamReader(process.getErrorStream());
			BufferedReader br = new BufferedReader(isr);
			String line = null;
			while ((line = br.readLine()) != null) {
				System.out.println(line);
				if (line.indexOf("????") != -1) {
					shouldClose = true;
					break;
				}
			}
		} catch (IOException ioe) {
			shouldClose = true;
		}
		if (shouldClose)
			process.destroy();
		int exitVal;
		try {
			exitVal = process.waitFor();
			System.out.print(exitVal);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
	}
}

 

评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值