【Rest】PUT Vs Post in Rest

what is rest

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StackOverFlow上的关于Rest put 和post请求的讨论

http://stackoverflow.com/questions/630453/put-vs-post-in-rest?rq=1
--来自stackOverFlow上的关于，post和put请求区别的一场讨论

Use POST to create, and PUT to update. That's how Rails is doing it, anyway.
PUT /items/1 #=> update
POST /items #=> create

PUT：
PUT /resources/<existingResourceId> HTTP/1.1
PUT /resources/<newResourceId> HTTP/1.1
在原来resourceID下进行Put请求，就是对资源的更新
在新的资源ID下进行PUT请求，则是创建新的资源
POST
Create a new resource under the /resources URI, or collection. Usually the identifier is returned by the server.
--POST /resources HTTP/1.1
--POST在原来的资源ID下添加新的对象

网友的评论：

• PUT is not for update, it is for replace, note that to create you are replacing nothing with something. POST is absolutely not for update in any shape of form.

--POST is used to create.
--PUT is used to create or update.

• Both PUT and POST can be used for creating.