java 中 拷贝一个目录，, // Copie

java 中 拷贝一个目录，, // Copie

    // Copies all files under srcDir to dstDir.    // If dstDir does not exist, it will be created.    public void copyDirectory(File srcDir, File dstDir) throws IOException {        if (srcDir.isDirectory()) {            if (!dstDir.exists()) {                dstDir.mkdir();            }            String[] children = srcDir.list();            for (int i=0; i<children.length; i++) {                copyDirectory(new File(srcDir, children[i]),                                     new File(dstDir, children[i]));            }        } else {            // This method is implemented in e1071 Copying a File            copyFile(srcDir, dstDir);        }    }