ASP.NET Web API 教程 http://www.cnblogs.com/risk/category/406988.html
HttpClient + ASP.NET Web API, WCF之外的另一个选择 http://www.cnblogs.com/dudu/archive/2012/05/11/asp_net_webapi_httpclient.html
WCF Web API 说再见,继承者ASP.NET Web API http://www.cnblogs.com/shanyou/archive/2012/03/11/2390672.html