日期:2014-05-16 浏览次数:20417 次
package com.djwl.tools.database; import java.io.BufferedReader; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.Calendar; import java.util.List; /** * 描述:批量备份数据库 * * 1. 修改数据库链接:ip、username、password * 2. 修改输出的文件夹:outputPath * 3. 修改getDatabaseList(),加入你的数据库名称 * 4. 保证你配置了mysql的环境变量 * * @author 胡晓 http://huxiao.iteye.com/ kskr@qq.com QQ:376665005 * * 原文链接:http://huxiao.iteye.com/admin/blogs/604093 * 转载请保留作者信息 */ public class BackUpMysql { private static String ip = "localhost"; private static String username = "root"; private static String password = "root"; //输出文件夹,我加了一个时间,保证每次生成在不同的文件夹里面,避免多次备份的文件在同一个文件夹里面,影响视听 private static String outputPath = "g:/backupdatabase/" + getCurrentDate14() + "/"; /** * <p>功能描述:备份数据库</p> * * @param databaseName * @param outputPath * @author 胡晓 <BR> kskr@qq.com <BR> * 时间:Feb 27, 2010 8:34:24 AM <BR> */ public static void backup(String databaseName) { try { Process process = Runtime.getRuntime().exec("mysqldump.exe -h" + ip + " -u" + username + " -p" + password + " " + databaseName); InputStream input = process.getInputStream(); InputStreamReader xx = new InputStreamReader(input, "utf8"); String inputString; StringBuffer sb = new StringBuffer(""); String outputString; BufferedReader br = new BufferedReader(xx); while ((inputString = br.readLine()) != null) { sb.append(inputString + "\r\n"); } outputString = sb.toString(); FileOutputStream output = new FileOutputStream(outputPath + databaseName + "_" + getCurrentDate14() + ".sql"); OutputStreamWriter writer = new OutputStreamWriter(output, "utf8"); writer.write(outputString); writer.flush(); input.close(); xx.close(); br.close(); writer.close(); output.close(); } catch (Exception e) { System.out.println("备份出错"); e.printStackTrace(); } } /** * <p>功能描述:创建文件夹</p> * * @param path * @author 胡晓 <BR> kskr@qq.com <BR> * 时间:Feb 27, 2010 8:48:27 AM <BR> */ public static void createFolder(String path) { try { File file = new File(path); if (!file.exists()) { file.mkdirs(); } } catch (Exception e) { System.out.println("创建文件夹出错"); e.printStackTrace(); } } /** * <p>功能描述:生成之后自动打开所在文件夹</p> * * @param folderPath * @author 胡晓 <BR> kskr@qq.com <BR> * 时间:Feb 27, 2010 8:48:37 AM <BR> */ public static void openFolder(String folderPath) { try { // 打开所在文件夹 String path = folderPath.replaceAll("/", "\\\\"); String cmd[] = { "explorer.exe", path }; Runtime.getRuntime().exec(cmd); } catch (Exception e) { System.out.println("打开文件夹“" + folderPath + "”出错"); e.printStackTrace(); } } /** * <p>功能描述:获取14位的当前时间</p> * * @return * @author 胡晓 <BR> kskr@qq.com <BR> * 时间:Feb 27, 2010 8:47:36 AM <BR> */ public static Long getCurrentDate14(){ return Long.parseLong(new SimpleDateFormat("yyyyMMddhhmmss").format(new Date()).toString()); } /** * <p>功能描述:获取数据库列表</p> * * 这里的数据库列表实际上是可以从mysql自带的information_schema数据库中的tables表中读出来的,如果你懒得像我这样一一列举,可以采取那种方式 * @return * @author 胡晓 <BR> kskr@qq.com <BR> * 时间:Feb 27, 2010 8:48:58 AM <BR> */ public static List<String> getDatabaseList() { List<String> list = new ArrayList<String>(); list.add("aliwangpu"); list.add("djwl"); list.add("dog"); list.add("dyfy"); list.add("fydagl"); list.add("hngk"); list.add("hxzg"); list.add("oa"); list.add("practise"); list.add("qzj