下载远程服务器单个文件方法

转载自博客：https://www.cnblogs.com/chafe/p/6408516.html

public static void downloadFile(String remoteFilePath, String localFilePath){
        URL urlfile = null;
        HttpURLConnection httpUrl = null;
        BufferedInputStream bis = null;
        BufferedOutputStream bos = null;
        File f = new File(localFilePath);
        try
        {
            urlfile = new URL(remoteFilePath);
            httpUrl = (HttpURLConnection)urlfile.openConnection();
            httpUrl.connect();
            bis = new BufferedInputStream(httpUrl.getInputStream());
            bos = new BufferedOutputStream(new FileOutputStream(f));
            int len = 2048;
            byte[] b = new byte[len];
            while ((len = bis.read(b)) != -1)
            {
                bos.write(b, 0, len);
            }
            System.out.println("上传成功");
            bos.flush();
            bis.close();
            httpUrl.disconnect();
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        finally
        {
            try
            {
                bis.close();
                bos.close();
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        }
    }
    
//    public static void main(String[] args) {
//        String remoteFilePath="http://172.18.49.196:9088/easkLogAnalyse/upload/IOS_AUDIT_LOG_20170207115053_18143481737.log";
//        String localFilePath="F:/createFile/createFile/IOS_AUDIT_LOG_20170207115053_18143481737.log";
//        downloadFile(remoteFilePath,localFilePath);
//    }