拷贝一个目录或者文件到指定路径下

忘是亡心i 2022-08-27 12:39 217阅读 0赞

\*\*  
     \* 拷贝一个目录或者文件到指定路径下  
     \*  
     \* @param source  
     \* @param target  
     \*/  
    public static void copy(File source, File target)  
    \{  
        File tarpath = new File(target, source.getName());  
        if (source.isDirectory())  
        \{  
            tarpath.mkdir();  
            File\[\] dir = source.listFiles();  
            for (int i = 0; i < dir.length; i++)  
            \{  
                copy(dir\[i\], tarpath);  
            \}  
        \}  
        else  
        \{  
            try  
            \{  
                InputStream is = new FileInputStream(source);  
                OutputStream os = new FileOutputStream(tarpath);  
                byte\[\] buf = new byte\[1024\];  
                int len = 0;  
                while ((len = is.read(buf)) != -1)  
                \{  
                    os.write(buf, 0, len);  
                \}  
                is.close();  
                os.close();  
            \}  
            catch (FileNotFoundException e)  
            \{  
                e.printStackTrace();  
            \}  
            catch (IOException e)  
            \{  
                e.printStackTrace();  
            \}  
        \}  
    \}