摘要：
本文对RESTful HTTP的基础原理做了一个概览，探讨了开发者在设计RESTful HTTP应用时所面临的典型问题，展示了如何在实践中应用REST架构风格，描述了常用的URI命名方法，讨论了如何使用统一接口进行资源交互，何时使用PUT或POST以及如何支持非CURD操作等。
Java 调用
HttpClient httpClient = new HttpClient(); IHttpRequest request = new GetRequest(centralHotelURI); IHttpResponse response = httpClient.call(request);
REQUEST: GET /hotel/656bcee2-28d2-404b-891b HTTP/1.1 Host: localhost User-Agent: xLightweb/2.6 RESPONSE: HTTP/1.1 200 OK Server: xLightweb/2.6 Content-Length: 277 Content-Type: application/x-www-form-urlencoded classification=Comfort&name=Central&RoomURI=http%3A%2F%2Flocalhost%2Fhotel%2F 656bcee2-28d2-404b-891b%2FRoom%2F2&RoomURI=http%3A%2F%2Flocalhost%2Fhotel%2F6 56bcee2-28d2-404b-891b%2FRoom%2F1
指定get部分属性
REQUEST: GET /hotel/656bcee2-28d2-404b-891b/classification HTTP/1.1 Host: localhost User-Agent: xLightweb/2.6 Accept: application/x-www-form-urlencoded RESPONSE: HTTP/1.1 200 OK Server: xLightweb/2.6 Content-Length: 26 Content-Type: application/x-www-form-urlencoded; charset=utf-8 classification=Comfort
REQUEST: GET /hotel/656bcee2-28d2-404b-891b/classification,name HTTP/1.1 Host: localhost User-Agent: xLightweb/2.6 Accept: application/x-www-form-urlencoded RESPONSE: HTTP/1.1 200 OK Server: xLightweb/2.6 Content-Length: 43 Content-Type: application/x-www-form-urlencoded; charset=utf-8 classification=Comfort&name=Central
REQUEST: GET /hotel/656bcee2-28d2-404b-891b?reqAttr=classification&reqAttr=name HTTP/1.1 Host: localhost User-Agent: xLightweb/2.6 Accept: application/x-www-form-urlencoded RESPONSE: HTTP/1.1 200 OK Server: xLightweb/2.6 Content-Length: 43 Content-Type: application/x-www-form-urlencoded; charset=utf-8 classification=Comfort&name=Central
JSON格式：
REQUEST: GET /hotel/656bcee2-28d2-404b-891b HTTP/1.1 Host: localhost User-Agent: xLightweb/2.6 Accept: application/json RESPONSE: HTTP/1.1 200 OK Server: xLightweb/2.6 Content-Length: 263 Content-Type: application/json; charset=utf-8 {"classification":"Comfort", "name":"Central", "RoomURI":["http://localhost/hotel/656bcee2-28d2-404b-891b/Room/1", "http://localhost/hotel/656bcee2-28d2-404b-891b/Room/2"]}
XML格式：
REQUEST: GET /hotel/656bcee2-28d2-404b-891b HTTP/1.1 Host: localhost User-Agent: xLightweb/2.6 Accept: text/xml RESPONSE: HTTP/1.1 406 No match for accept header Server: xLightweb/2.6 Content-Length: 1468 Content-Type: text/html; charset=iso-8859-1 <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/> <title>Error 406 No match for accept header</title> </head> <body> <h2>HTTP ERROR: 406</h2><pre>No match for accept header</pre> ... </body> </html>
PUT方法：
REQUEST: PUT Hotel/guest/bc45-9aa3-3f22d HTTP/1.1 Host: localhost User-Agent: xLightweb/2.6 Content-Length: 94 Content-Type: application/x-www-form-urlencoded zip=30314&lastName=Gump&street=42+Plantation+Street&firstName=Forest&country=US& city=Baytown&state=LA RESPONSE: HTTP/1.1 200 OK Server: xLightweb/2.6 Content-Length: 36 Content-Type: text/plain; charset=utf-8 Location: http://localhost/guest/bc45-9aa3-3f22d The guest resource has been updated.
POST创建：
REQUEST: POST /HotelHTTP/1.1 Host: localhost User-Agent: xLightweb/2.6 Content-Length: 35 Content-Type: application/x-www-form-urlencoded; charset=utf-8 Accept: text/plain classification=Comfort&name=Central RESPONSE: HTTP/1.1 201 Created Server: xLightweb/2.6 Content-Length: 40 Content-Type: text/plain; charset=utf-8 Location: http://localhost/hotel/656bcee2-28d2-404b-891b the Hotelresource has been created