JAVA文件拷贝

/**  

02      * 将inputFile复制到outputFile  

03      *   

04      * @param inputFile  

05      * @param outputFile  

06      * @throws IOException  

07      */ 

08     public void fileCopy(File inputFile, File outputFile) throws IOException {  

09    

10         // for folder  

11         if (inputFile.isDirectory()) {  

12             File[] inputFolders = inputFile.listFiles();  

13             for (int i = 0; i < inputFolders.length; i++) {  

14                 // for folder  

15                 if (inputFolders[i].isDirectory()) {  

16                     File outputFolders = new File(outputFile, inputFolders[i]  

17                             .getName());  

18                     outputFolders.mkdir();  

19                     fileCopy(inputFolders[i], outputFolders);  

20                 }  

21                 // for file  

22                 else {  

23                     File outputFiles = new File(outputFile, inputFolders[i]  

24                             .getName());  

25                     outputFiles.createNewFile();  

26                     fileCopy(inputFolders[i], outputFiles);  

27                 }  

28             }  

29         }  

30         // for file  

31         else {  

32             FileInputStream in = new FileInputStream(inputFile);  

33             FileOutputStream out = new FileOutputStream(outputFile);  

34    

35             byte[] buffer = new byte[BUFFER_SIZE];  

36             int count = 0;  

37             do {  

38                 if (count != 0) {  

39                     out.write(buffer, 0, count);  

40                 }  

41                 count = in.read(buffer, 0, buffer.length);  

42             } while (count != -1);  

43             out.flush();  

44             out.close();  

45    

46             in.close();  

47         }  

48