转载 javaweb sql备份和还原

@Action(value = "beifen")
public void beifen() throws Exception, IOException, SQLException {
SimpleDateFormat df2 = new SimpleDateFormat("yyyy-MM-dd");//设置日期格式  取月份 日期
String riqi=df2.format(new Date());
File dir = new File(this.imgFileStore.getRootFile().getPath()+ "/sqlbeifen/"+riqi);
if (!dir.exists()) {
dir.mkdirs();
}
String weburl=this.imgFileStore.getRootFile().getPath()+ "/sqlbeifen/"+riqi;

String fileFileName="123.bak";

String name = new Date().getTime()+ fileFileName.substring(fileFileName.lastIndexOf("."));// 生成随机文件名
File file = new File(weburl);
String path = file.getPath() + "\\" + name;// name文件名
String bakSQL = "backup database hoosee_ydoa  to disk=? with init";// SQL语句
PreparedStatement bak = DataBaseUtil.getConnection().prepareStatement(bakSQL);
bak.setString(1, path);// path必须是绝对路径
bak.execute(); // 备份数据库
bak.close();
String data=imgFileStoreHttp.getRootFilePath()+ "/sqlbeifen/"+riqi+"/"+name;
printWriter(data);
}

/*
* 输出页面
*/
public void printWriter(String msgs) throws Exception, IOException {
// 指定输出内容类型和编码
ServletActionContext.getResponse().setContentType(
"text/html;charset=utf-8");
// 获取输出流，然后使用
PrintWriter out = ServletActionContext.getResponse().getWriter();
// 直接进行文本操作
out.print(msgs);
out.flush();
out.close();
}

package com.hoosee.actions.Family;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class DataBaseUtil {
/**
* 获取数据库连接
* @return Connection 对象
*/
public static Connection getConnection() {
Connection conn = null;
try {
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
String url = "jdbc:sqlserver://127.0.0.1:1433;databaseName=hoosee_ydoa";
String username = "sa";
String password = "123";
conn = DriverManager.getConnection(url, username, password);

} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
return conn;
}

public static void closeConn(Connection conn) {
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}