java 在文件夹下按文件创建时间（或者修改时间）删除文件，并将删除的文件名输出。...

文件的创建时间通过该文件的属性获取，注释部分为获取文件的最后修改时间（通过lastModified()获取）。

代码为删除创建范围内的文件：

 1 package eg2;
 2  
 3 import java.io.File;
 4 import java.io.IOException;
 5 import java.nio.file.Files;
 6 import java.nio.file.LinkOption;
 7 import java.nio.file.Path;
 8 import java.nio.file.Paths;
 9 import java.nio.file.attribute.BasicFileAttributeView;
10 import java.nio.file.attribute.BasicFileAttributes;
11 import java.text.ParseException;
12 import java.text.SimpleDateFormat;
13 import java.util.Date;
14 import java.util.Scanner;
15  
16 /******************
17  * 文件的删除
18  *******************/
19 public class Test2_2 {
20  
21     static SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
22     static Date CreateTimeDate;
23  
24     public static void main(String[] args) throws ParseException {
25         // TODO Auto-generated method stub
26  
27         @SuppressWarnings("resource")
28         Scanner sc = new Scanner(System.in);
29         System.out.println("请输入指定文件夹：");
30         String dirs = sc.next();
31         int[] a = new int[6];
32         int[] b = new int[6];
33         System.out.println("请输入起始时间t1：");
34         for (int i = 0; i < 6; i++)
35             a[i] = sc.nextInt();
36         System.out.println("请输入最终时间t2：");
37         for (int i = 0; i < 6; i++)
38             b[i] = sc.nextInt();
39         String t1 = "", t2 = "";
40         t1 = t1 + a[0] + "-" + a[1] + "-" + a[2] + " " + a[3] + ":" + a[4] + ":" + a[5];
41         t2 = t2 + b[0] + "-" + b[1] + "-" + b[2] + " " + b[3] + ":" + b[4] + ":" + b[5];
42         System.out.println(t1);
43         System.out.println(t2);
44         Date date1 = df.parse(t1);
45         Date date2 = df.parse(t2);
46         System.out.println("要删除的文件名为：");
47         delete(dirs, date1, date2);
48         System.out.println("操作结束！");
49     }
50  
51     private static void delete(String dirs, Date date1, Date date2) throws ParseException {
52         // TODO Auto-generated method stub
53  
54         File dir = new File(dirs);
55         File[] list = dir.listFiles();
56         for (File file : list) {
57             if (file.isDirectory()) {
58                 if (file.list().length > 0) {
59                     delete(file.getAbsolutePath(), date1, date2);
60                 }
61             } else {
62                 Path p = Paths.get(file.getPath());
63                 BasicFileAttributeView basicview = Files.getFileAttributeView(p, BasicFileAttributeView.class,
64                         LinkOption.NOFOLLOW_LINKS);//通过文件的属性来获取文件的创建时间
65                 BasicFileAttributes attr;
66                 try {
67                     attr = basicview.readAttributes();
68                     CreateTimeDate = new Date(attr.creationTime().toMillis());
69                     // DateFormat usdf = new SimpleDateFormat("EEE MMM dd
70                     // HH:mm:ss zzz yyyy", Locale.US);
71                     // Date date = usdf.parse(CreateTimeDate.toString());
72                     // String fileTime = df.format(date);
73                     // Date fileTimes = df.parse(fileTime);
74                     // if (date1.getTime() <= file.lastModified() &&
75                     // file.lastModified() <= date2.getTime()) {
76                     // }//这部分为文件的最后修改时间
77                     if (date1.getTime() <= CreateTimeDate.getTime() && CreateTimeDate.getTime() <= date2.getTime()) {
78                         System.out.println(file.getName());
79                         file.delete();
80                     }
81                 } catch (IOException e) {
82                     // TODO Auto-generated catch block
83                     e.printStackTrace();
84                 }
85             }
86         }
87     }
88 }

 

转载于:https://www.cnblogs.com/mengweihong/p/11305124.html