Nancy 返回值详解

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原文:Nancy 返回值详解

简介

Nancy 是一个轻量级的,简单粗暴的framework用来构建基于HTTP的各种服务,兼容.Net和Mono。它的返回值也是多种多样的,适应各种不同的情况。包括Response.AsFile()、Response.AsRedirect()、 Response.AsImage()、 Response.AsJson()、Response.AsText()、 Response.AsXml()等

一:string

Get["/get"] = parameters =>
{
   return "Nancy";
}

二:返回视图,像MVC一样,需要有Views/Home/index.html网页才能成功

 Get["/get"] = parameters =>
 {
 return View["/home/index.html"];

 }

 

 

三:Response

Post["/GetMore"] = p =>
{
  Product pd = new Product();
  pd.Id = 10;
  pd.Address = "北京超越";
  pd.Name = "苹果手机";
  pd.Price = 1000;
 return Response.AsJson(pd);
return Response.AsXml(pd);

}

四:Response返回值源码

public static implicit operator Response(HttpStatusCode statusCode)
    {
        return new Response { StatusCode = statusCode };
    }

    public static implicit operator Response(int statusCode)
    {
        return new Response { StatusCode = (HttpStatusCode)statusCode };
    }

    public static implicit operator Response(string contents)
    {
        return new Response { Contents = contents, ContentType = "text/html", StatusCode = HttpStatusCode.OK };
    }

    public static implicit operator string(Response response)
    {
        return response.Contents;
    }

 五:Contents源码

public static class FormatterExtensions
{
    public static Response AsJson<TModel>(this IResponseFormatter formatter, TModel model)
    {
        return new JsonResponse<TModel>(model);
    }

    public static Response AsXml<TModel>(this IResponseFormatter formatter, TModel model)
    {
        return new XmlResponse<TModel>(model);
    }

    public static Response Image(this IResponseFormatter formatter, string imagePath)
    {
        return new ImageResponse(imagePath);
    }
}

 

public static Action<Stream> Static(this IViewEngine engine, string virtualPath)
    {
        return stream => {

            var path = HostingEnvironment.MapPath(virtualPath);

            using (var reader = new StreamReader(path))
            {
                using(var writer = new StreamWriter(stream))
                {
                    writer.Write(reader.ReadToEnd());
                    writer.Flush();
                }
            }

        };
    },

六、自定义返回值

            Get["/get"] = parameters =>
            {
                var path = AppDomain.CurrentDomain.BaseDirectory + "/Views/home/index.html";
                Response response = new Response();
                response.ContentType = "text/html";
                response.Contents = stream =>
                {
                    using (var reader = new StreamReader(path))
                    {
                        using (var writer = new StreamWriter(stream))
                        {
                            writer.Write(reader.ReadToEnd());
                            writer.Flush();
                        }
                    }
                };

                return response;

            };

 

 

参考文章:http://www.cnblogs.com/bnbqian/p/4944829.html





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