java拷贝指定文件夹下的指定文件类型

1 packagecom.xiaostudy.copyFile;
2 
3 importjava.io.File;
4 importjava.io.FileInputStream;
5 importjava.io.FileOutputStream;
6 importjava.io.IOException;
7 importjava.util.Scanner;
8 
9 public classCopyFile {
10 
11     /**
12 * @paramargs
13      */
14     public static voidmain(String[] args) {
15         Scanner scanner = newScanner(System.in);
16         System.out.print("请输入复制的文件夹路径：");
17         String inFiles = scanner.next();//String inFile = "C:\Windows\SysWOW64";
18         System.out.print("请输入拷贝到的文件夹路径：");
19         String outFiles = scanner.next();//String outFile = "C:\Users\Administrator\Desktop\64dll";
20         System.out.print("请输入要复制文件类型，比如说txt文件，就输入：txt
请输入：");
21         String type =scanner.next();
22         
23         FileInputStream fis = null;
24         FileOutputStream fos = null;
25         try{
26             File outFiled = newFile(outFiles);
27             if (!outFiled.exists()) {
28 outFiled.mkdirs();
29 }
30 
31             File files = newFile(inFiles);
32 
33             if(files.exists()) {
34                 File[] listFiles =files.listFiles();
35                 if (listFiles != null && listFiles.length > 0) {
36                     for(File file : listFiles) {
37                         String fileName =file.getName();
38                         String[] str = fileName.split("\.");
39                         if (str[str.length-1].equals(type)) {
40                             fis = newFileInputStream(file);
41                             fos = new FileOutputStream(newFile(outFiled, fileName));
42                             byte[] buf = new byte[1024];
43                             intbytesRead;
44                             while ((bytesRead = fis.read(buf)) > 0) {
45                                 fos.write(buf, 0, bytesRead);
46 
47 }
48 }
49 }
50 }
51 
52 }
53         } catch(IOException e) {
54 e.printStackTrace();
55         } finally {//关闭资源
56             if(fos != null) {
57                 try{
58 fos.close();
59                 } catch(IOException e) {
60 e.printStackTrace();
61 }
62 }
63             if(fis != null) {
64                 try{
65 fis.close();
66                 } catch(IOException e) {
67 e.printStackTrace();
68 }
69 }
70 }
71 }
72 
73 }