FTP备份代码更新,待实际调试结果

whycxzp

2024-03-23 7bbb19c671bb5b402cfad8d903c5dfab4fe379bf

FTP备份代码更新,待实际调试结果

 src/main/java/com/whyc/service/FtpService.java

@@ -18,8 +18,6 @@
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.stream.Collectors;

@ConditionalOnProperty(prefix = "configFile",name = "type",havingValue = "2")
@Service
@@ -27,73 +25,58 @@
public class FtpService {
    //定时上传指定目录下文件,每周五凌晨开启备份
    @Scheduled(cron = "59 59 23 ? * FRI")
    //@Scheduled(cron = "0/10 * * * * ?")
    private void sendFtpFile() throws IOException, FTPException, InterruptedException, ParseException {
        //先连接ftp服务器,获取备份目录,保留3次.这里是从2023年4月开始进行保留
    //@Scheduled(cron = "0 29 15 * * ?")
    public void sendFtpFile() throws IOException, FTPException, ParseException {
        //先连接ftp服务器
        FtpHelper ftpRemote = new FtpHelper(YamlProperties.ftpIp, YamlProperties.ftpPort, YamlProperties.ftpUserName, YamlProperties.ftpPassword);
        String[] dirList = ftpRemote.getDirList();
        List<String> dirList2 = Arrays.asList(dirList);
        dirList2 = dirList2.stream().filter(item->Integer.parseInt(item.substring(0,4))>=2023 && Integer.parseInt(item.substring(5,7))>=4).collect(Collectors.toList());
        for (int i = 0; i < dirList2.size()-3; i++) {
            ftpRemote.deleteDir(dirList2.get(i));
        }



        String fileDirName = FileDirPath.getFileDirName();
        
        String rootDoc=fileDirName+File.separator+"doc_file";
        String timeStr= ActionUtil.sdfwithFTP.format(new Date());
        ftpRemote.mkdir(timeStr);
        ftpRemote.disconnect();
        //备份过程是否出现过问题,标识符
        boolean isError=false;
        try {

            File docFile = new File(rootDoc);
            File[] fileList = docFile.listFiles();
            List<File> list = Arrays.asList(fileList);
            for (File file:list) {
            //File[] fileList2 = new File[fileList.length];
            //BeanUtils.copyProperties(fileList2,fileList);
            for (File file:fileList) {
                //压缩传输
                File fileZip = new File(file.getAbsolutePath() + ".zip");
                ZipUtils.toZip(file.getAbsolutePath(),new FileOutputStream(fileZip),true);
                //System.out.println(fileZip.toString()+"压缩完毕");
            }
            //System.out.println("进行FTP传输中...");
            CountDownLatch latch = new CountDownLatch(list.size()+1);

            for (File file:list) {
                new Thread(){
                    @Override
                    public void run() {
                        //压缩传输
                        File fileZip = new File(file.getAbsolutePath() + ".zip");
                        //System.out.println("线程内 压缩后的目标路径为:"+fileZip.toString());
                        FtpHelper ftp = new FtpHelper(YamlProperties.ftpIp, YamlProperties.ftpPort, YamlProperties.ftpUserName, YamlProperties.ftpPassword);
                        try {
                            //ZipUtils.toZip(file.getAbsolutePath(),new FileOutputStream(fileZip),true);
                            String pathName=timeStr+"/"+file.getName()+".zip";
                            //System.out.println("传输目标路径确认为:"+pathName);
                            ftp.uploadFile2(fileZip, pathName);
                    ftpRemote.uploadFile2(fileZip, pathName);
                            //System.out.println(fileZip+"传输完毕");
                            fileZip.delete();
                            //System.out.println(fileZip+"传输中转压缩包删除完毕");

                            ftp.disconnect();
                            latch.countDown();
                        } catch (Exception e) {
                    isError = true;
                            e.printStackTrace();
                            fileZip.deleteOnExit();
                            ftp.disconnect();
                            latch.countDown();
                    fileZip.delete();
                        }
                    }
                }.start();

            }
            latch.countDown();
            latch.await();
            //System.out.println("传输完毕");

            //获取备份目录,保留4次.
            //如果过程出现错误,则不删除
            if (!isError) {
                String[] dirList = ftpRemote.getDirList();
                List<String> dirList2 = Arrays.asList(dirList);

                for (int i = 0; i < dirList2.size()-4; i++) {
                    ftpRemote.deleteDir(dirList2.get(i));
                }
            }
        } catch (Exception e) {
            e.printStackTrace();

        }finally {
            ftpRemote.disconnect();
        }
    }
}