写一个tinypng的API DEMO

最近有点忙，没时间写文章，写一篇短点的东西：tinypng.com的API DEMO（图片压缩接口，如果希望更快速地处理任务，可以在实际使用中进行多线程优化）。

*tinypng.com是一个图片压缩网站，每个账号可以享受500张/月的免费API配额，网页版没有次数限制。

    public class ApiResponse
    {
        public Input input { get; set; }
        public Output output { get; set; }
    }

    public class Input
    {
        public int size { get; set; }
        public string type { get; set; }
    }

    public class Output
    {
        public int size { get; set; }
        public string type { get; set; }
        public int width { get; set; }
        public int height { get; set; }
        public float ratio { get; set; }
        public string url { get; set; }
    }

    class Program
    {
        const string output = @"C:\output";

        static void Main(string[] args)
        {
            string key =
                Convert.ToBase64String(Encoding.ASCII.GetBytes("api:" + Console.ReadLine()));
            string[] files = Directory.GetFiles("photoes");
            for (int i = 0; i < files.Length; i++)
            {
                FileInfo finfo = new FileInfo(files[i]);
                WebClient client = new WebClient();
                client.Headers["Authorization"] = "Basic " + key;
                var res = Encoding.ASCII.GetString(client.UploadData("https://api.tinify.com/shrink", File.ReadAllBytes(files[i])));
                try
                {
                    ApiResponse obj = JsonConvert.DeserializeObject<ApiResponse>(res);
                    Console.WriteLine($"{i + 1} of {files.Length}\t{finfo.Name}\t{finfo.Length / 1000} -> {obj.output.size / 1000}");
                    client.DownloadFile(obj.output.url, Path.Combine(output, finfo.Name));
                }
                catch (Exception ex)
                {
                    Console.WriteLine("error\r\n" + res + "\r\n" + ex.ToString());
                    Console.ReadLine();
                }
            }
            Console.ReadLine();
        }
    }