package com.whyc.service;
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import com.enterprisedt.net.ftp.FTPException;
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import com.whyc.constant.YamlProperties;
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import com.whyc.dto.FileDirPath;
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import com.whyc.dto.FtpHelper;
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import com.whyc.dto.ZipUtils;
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import com.whyc.util.ActionUtil;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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import org.springframework.scheduling.annotation.EnableScheduling;
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import org.springframework.scheduling.annotation.Scheduled;
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import org.springframework.stereotype.Service;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.text.ParseException;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.List;
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import java.util.concurrent.CountDownLatch;
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import java.util.stream.Collectors;
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@ConditionalOnProperty(prefix = "configFile",name = "type",havingValue = "2")
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@Service
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@EnableScheduling // 2.开启定时任务
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public class FtpService {
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//定时上传指定目录下文件,每周五凌晨开启备份
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@Scheduled(cron = "59 59 23 ? * FRI")
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//@Scheduled(cron = "0/10 * * * * ?")
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private void sendFtpFile() throws IOException, FTPException, InterruptedException, ParseException {
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//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
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FtpHelper ftpRemote = new FtpHelper(YamlProperties.ftpIp, YamlProperties.ftpPort, YamlProperties.ftpUserName, YamlProperties.ftpPassword);
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String[] dirList = ftpRemote.getDirList();
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List<String> dirList2 = Arrays.asList(dirList);
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dirList2 = dirList2.stream().filter(item->Integer.parseInt(item.substring(0,4))>=2023 && Integer.parseInt(item.substring(5,7))>=4).collect(Collectors.toList());
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for (int i = 0; i < dirList2.size()-3; i++) {
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ftpRemote.deleteDir(dirList2.get(i));
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}
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String fileDirName = FileDirPath.getFileDirName();
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String rootDoc=fileDirName+File.separator+"doc_file";
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String timeStr= ActionUtil.sdfwithFTP.format(new Date());
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ftpRemote.mkdir(timeStr);
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ftpRemote.disconnect();
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try {
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File docFile = new File(rootDoc);
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File[] fileList = docFile.listFiles();
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List<File> list = Arrays.asList(fileList);
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for (File file:list) {
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//压缩传输
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File fileZip = new File(file.getAbsolutePath() + ".zip");
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ZipUtils.toZip(file.getAbsolutePath(),new FileOutputStream(fileZip),true);
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//System.out.println(fileZip.toString()+"压缩完毕");
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}
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//System.out.println("进行FTP传输中...");
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CountDownLatch latch = new CountDownLatch(list.size()+1);
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for (File file:list) {
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new Thread(){
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@Override
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public void run() {
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//压缩传输
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File fileZip = new File(file.getAbsolutePath() + ".zip");
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//System.out.println("线程内 压缩后的目标路径为:"+fileZip.toString());
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FtpHelper ftp = new FtpHelper(YamlProperties.ftpIp, YamlProperties.ftpPort, YamlProperties.ftpUserName, YamlProperties.ftpPassword);
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try {
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//ZipUtils.toZip(file.getAbsolutePath(),new FileOutputStream(fileZip),true);
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String pathName=timeStr+"/"+file.getName()+".zip";
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//System.out.println("传输目标路径确认为:"+pathName);
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ftp.uploadFile2(fileZip, pathName);
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//System.out.println(fileZip+"传输完毕");
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fileZip.delete();
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//System.out.println(fileZip+"传输中转压缩包删除完毕");
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ftp.disconnect();
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latch.countDown();
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} catch (Exception e) {
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e.printStackTrace();
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fileZip.deleteOnExit();
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ftp.disconnect();
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latch.countDown();
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}
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}
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}.start();
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}
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latch.countDown();
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latch.await();
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//System.out.println("传输完毕");
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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