Java实现MySQL数据库备份（一）

import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;

/**
* MySQL数据库备份
*
* @author GaoHuanjie
*/
public class MySQLDatabaseBackup {

/**
* Java代码实现MySQL数据库导出
*
* @author GaoHuanjie
* @param hostIP MySQL数据库所在服务器地址IP
* @param userName 进入数据库所需要的用户名
* @param password 进入数据库所需要的密码
* @param savePath 数据库导出文件保存路径
* @param fileName 数据库导出文件文件名
* @param databaseName 要导出的数据库名
* @return 返回true表示导出成功，否则返回false。
*/
public static boolean exportDatabaseTool(String hostIP, String userName, String password, String savePath, String fileName, String databaseName) throws InterruptedException {
File saveFile = new File(savePath);
if (!saveFile.exists()) {// 如果目录不存在
saveFile.mkdirs();// 创建文件夹
}
if(!savePath.endsWith(File.separator)){
savePath = savePath + File.separator;
}

PrintWriter printWriter = null;
BufferedReader bufferedReader = null;
try {
printWriter = new PrintWriter(new OutputStreamWriter(new FileOutputStream(savePath + fileName), "utf8"));
Process process = Runtime.getRuntime().exec(" mysqldump -h" + hostIP + " -u" + userName + " -p" + password + " --set-charset=UTF8 " + databaseName);
InputStreamReader inputStreamReader = new InputStreamReader(process.getInputStream(), "utf8");
bufferedReader = new BufferedReader(inputStreamReader);
String line;
while((line = bufferedReader.readLine())!= null){
printWriter.println(line);
}
printWriter.flush();
if(process.waitFor() == 0){//0 表示线程正常终止。
return true;
}
}catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
if (printWriter != null) {
printWriter.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return false;
}

public static void main(String[] args){
try {
if (exportDatabaseTool("172.16.0.127", "root", "123456", "D:/backupDatabase", "2014-10-14.sql", "test")) {
System.out.println("数据库成功备份！！！");
} else {
System.out.println("数据库备份失败！！！");
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}