复制文件夹以及文件夹下文件

ゝ一纸荒年。 2022-12-23 15:27 246阅读 0赞

package copypackage;
    
    import java.io.*;
    
    public class CopyDir02 {
        
    
        public static void main(String[] args) {
        
            String sourceUrl = "C:\\Users\\me\\Desktop\\确认版";
            String destUrl = "D:\\test";
            File sourceFile = new File(sourceUrl);
            File destFile = new File(destUrl);
            copyDirectory(sourceFile,destFile);
        }
    
        public static void copyDirectory(File sourceFile,File destFile){
        
            File[] listFiles = sourceFile.listFiles();
            if(!destFile.exists()){
        
                destFile.mkdir();
            }
            for(File file : listFiles){
        
                System.out.println("--------->"+file.getName());
                if(file.isDirectory()){
        
                    String newName = file.getName();
                    File newDestFile = new File(destFile,newName);
                    copyDirectory(file,newDestFile);
                }else{
        
                    String newName = file.getName();
                    File newSourceFile = new File(sourceFile,newName);
                    File newDestFile = new File(destFile,newName);
                    copyFile(newSourceFile,newDestFile);
                }
            }
        }
    
        public static void copyFile(File sourceFile,File destFile){
        
            BufferedInputStream bis = null;
            BufferedOutputStream bos = null;
            try {
        
                bis = new BufferedInputStream(new FileInputStream(sourceFile));
                bos = new BufferedOutputStream(new FileOutputStream(destFile));
                byte[] byt = new byte[1024];
                int len = 0 ;
                while((len = bis.read(byt))!=-1){
        
                    bos.write(byt,0,len);
                }
            }catch (Exception exception){
        
                exception.printStackTrace();
            }finally {
        
                if(bos!=null){
        
                    try {
        
                        bos.close();
                    } catch (IOException e) {
        
                        e.printStackTrace();
                    }
                }
                if(bis!=null){
        
                    try {
        
                        bos.close();
                    } catch (IOException e) {
        
                        e.printStackTrace();
                    }
                }
            }
        }
    }