使用dbunit备份还原数据库

<!-- pom.xml 引入dbunit -->
<dependency>
<groupId>dbunit</groupId>
<artifactId>dbunit</artifactId>
<version>2.1</version>
</dependency>

JAVA代码：

package com.sinba.common.config.backup.service;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Properties;

import org.dbunit.DatabaseUnitException;
import org.dbunit.database.DatabaseConfig;
import org.dbunit.database.DatabaseConnection;
import org.dbunit.database.IDatabaseConnection;

import org.dbunit.dataset.IDataSet;
import org.dbunit.dataset.xml.FlatXmlDataSet;
import org.dbunit.operation.DatabaseOperation;
import org.dbunit.ext.mysql.MySqlDataTypeFactory;
import org.dbunit.ext.mssql.MsSqlDataTypeFactory;

public class DBXMLHelper{

 /** 
   * 获取连接 
   * @return 
   * @throws DatabaseUnitException 
  */ 
  private IDatabaseConnection getConnection(){
  
   Properties hibernateProperties=new Properties();
   InputStream in = DBXMLHelper.class.getResourceAsStream("/hibernate.properties");
  
   IDatabaseConnection connection=null;
  
   try {
   
   hibernateProperties.load(in);
   //处理连接字符串、密码
   String driverClassName=hibernateProperties.getProperty("dataSource.driverClassName");
   String username=hibernateProperties.getProperty("dataSource.username");
   String password=hibernateProperties.getProperty("dataSource.password");
   String serverName=hibernateProperties.getProperty("dataSource.serverName");
   String databaseName=hibernateProperties.getProperty("dataSource.databaseName");
   String url=hibernateProperties.getProperty("dataSource.url")
   .replace("${dataSource.serverName}",serverName)
   .replace("${dataSource.databaseName}",databaseName);
   
   Class.forName(driverClassName);
   Connection conn=DriverManager.getConnection(url,username,password);
   connection = new DatabaseConnection(conn,databaseName);
   
   //忽略约束
   connection.getConnection().prepareStatement("set @@session.foreign_key_checks = 0").execute();
   
   if("com.mysql.jdbc.Driver".equals(driverClassName)){//MySQL
    connection.getConfig().setProperty(DatabaseConfig.PROPERTY_DATATYPE_FACTORY, new MySqlDataTypeFactory()); 
   }else{//SQLServer
    connection.getConfig().setProperty(DatabaseConfig.PROPERTY_DATATYPE_FACTORY, new MsSqlDataTypeFactory()); 
   }
 
  } catch (Exception e1) {
   e1.printStackTrace();
  }
  
  return connection;
  }
 
    /**
     * 导出数据库.
     * @param connection
     * @param fileName
     * @param streamed
     * @param flat
     * @throws SQLException
     * @throws DatabaseUnitException
     * @throws FileNotFoundException
     * @throws IOException
     */
    public void exportDatabase(String fileName)
     throws SQLException, DatabaseUnitException, FileNotFoundException,IOException {  
     
        IDataSet dataset =getConnection().createDataSet();
        FlatXmlDataSet.write(dataset, new FileOutputStream(fileName));
    }  
 
    /**
     * 直接还原数据库（不清除数据）.
     * @param connection
     * @param input
     * @param streamed
     * @param flat
     * @throws DatabaseUnitException
     * @throws SQLException
     */
    public void refreshData(String input)
     throws DatabaseUnitException, SQLException,FileNotFoundException,IOException {  
     
        IDataSet dataSet = new FlatXmlDataSet(new File(input), true);
        DatabaseOperation.CLEAN_INSERT.execute(getConnection(), dataSet);
    }

}