java按文件夹下日志容量大小删除部分日志

package cn.lls; import java.io.File; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.HashMap; import java.util.List; import cn.lls.utils.FileSort; import cn.lls.utils.TypeConvertUtil; public class Tes { static int dayInt; static long fileL; static int no = 0; static List<Long> list2; static long totalSize = 0; // 递归方法 public static void deepList(File file) { if (file.isFile() || (0 == file.list().length)) { return; } else { File[] files = file.listFiles(); files = FileSort.sort(files); for (File f : files) { if (f.isFile()) { String fileName = f.getName(); if (!fileName.equals("Log" + ".txt")) { String fileDay = fileName.substring(3, 13); System.out.println(fileDay); Date d = new Date(); DateFormat df = new SimpleDateFormat("yyyy-MM-dd"); dayInt = (int) TypeConvertUtil.getIntervalDays(fileDay, df.format(d)); System.out.print("离今天有：" + dayInt + " 天了 "); fileL = f.length(); list2 = new ArrayList<>(); HashMap<Integer, Integer> map = new HashMap<Integer, Integer>(); map.put(dayInt, no); list2.add(map.get(dayInt), fileL); for (int i = 0; i < list2.size(); i++) { totalSize += list2.get(i); System.out.println("总大小：" + totalSize + " Bytes " + (totalSize / 1024 / 1024) + " MB"); if (totalSize > 12312) { f.delete(); } } } } } } } public static void main(String[] args) { File f = new File("D:/aaa"); deepList(f); } }