一、关于接口

1、正常的写方法 功能主要是数据的接收和返回

　　1、返回xml

　　　　 public class XmlResult:ActionResult
    {
        private object objectToSerialize;

        public XmlResult(object objectToSerialize)
        {
            this.objectToSerialize = objectToSerialize;
        }

        public object ObjectToSerialize
        {
            get { return this.objectToSerialize; }
        }

        public override void ExecuteResult(ControllerContext context)
        {
            if (this.objectToSerialize != null)
            {
                context.HttpContext.Response.Clear();
                var xs = new XmlSerializer(this.objectToSerialize.GetType());
                context.HttpContext.Response.ContentType = "text/xml";
                XmlSerializerNamespaces ns = new XmlSerializerNamespaces();
                ns.Add("", "");
                xs.Serialize(context.HttpContext.Response.Output, this.objectToSerialize, ns);
            }
        }
    }

　　　　需要一个类来处理

　　　　只需要将产生的对象进行实例化 XmlResult xmlResult = new XmlResult(staEntity); staEntity为想要转换的对象

　　2、返回json

　　　　public class JsonpResult:JsonResult
    {
        private static readonly string JsonpCallbackName = "callback";
        private static readonly string CallbackApplicationType = "application/json";

        public override void ExecuteResult(ControllerContext context)
        {
            if (context == null)
            {
                throw new ArgumentNullException("context");
            }
            if ((JsonRequestBehavior == JsonRequestBehavior.DenyGet) && string.Equals(context.HttpContext.Request.HttpMethod, "GET"))
            {
                throw new InvalidOperationException();
            }

            var response = context.HttpContext.Response;
            if (!string.IsNullOrEmpty(ContentType))
            {
                response.ContentType = ContentType;
            }
            else
            {
                response.ContentType = CallbackApplicationType;
            }
            if (ContentEncoding != null)
            {
                response.ContentEncoding = this.ContentEncoding;
            }

            if (Data != null)
            {
                string buffer;
                var request = context.HttpContext.Request;
                var serializer = new JavaScriptSerializer();
                if (request[JsonpCallbackName] != null)
                {
                    buffer = string.Format("{0}({1})", request[JsonpCallbackName], serializer.Serialize(Data));
                }
                else
                {
                    buffer = serializer.Serialize(Data);
                }
                response.Write(buffer);
            }

        }
    }

     返回的类型是JsonpResult

　　return  this.Jsonp(resEntity);

C# 关于接口