Requests using the HTTP HEAD method should only retrieve data (server must not change its state). If you want to change data on the server, usePOST,PUT,PATCHorDELETEmethods. The HTTP HEAD method is defined as idempotent, which means that multiple identical HEAD requests should have the same...
GET is an HTTP method for requesting data from the server. Requests using the HTTP GET method should only fetch data, cannot enclose data in the body of a GET message, and should not have any other effect on data on the server.
HEAD The HTTP HEAD method is used to retrieve the headers of a resource without fetching the actual body content. It is similar to the GET method but does not return the resource itself; instead, it provides meta-information about the resource. OPTIONS The HTTP OPTIONS method is used to des...
HEAD方法与GET方法是完全相同的,也是从服务器获取资源,服务器的处理机制也与GET一样,只不过不会返回body,只会传回响应头,也就是资源的“元信息”。 HEAD作用是为了解决某些无需body的场景下使用GET请求造成的资源浪费,比如我只需要确定我是否可以对服务器上对应的资源做某些指定的操作,那我们直接使用HEAD方法就可以...
Which HTTP methods are safe? Safe HTTP methods facilitate read-only operations, which means they do not create or alter the API’s resources. GET is the most commonly used safe method, but the HEAD method—which is used to retrieve only the headers of a resource—is also safe. ...
HEAD:获取资源的头信息。 POST:就是向Request-URI上传数据,或者提交数据。 PUT:类似于POST。 DELETE:删除目标资源。 TRACE:追踪请求-响应的路径。 CONNECT:建立一个特殊的连接隧道。 OPTIONS:列出允许对该资源使用的方法。 我们简单的罗列了一下HTTP所规定的请求方法。其中前四个比较常用,GET和POST这两个是最常用的...
HTTP/1.1 429 Too Many Requests Content-Type: text/html Retry-After: 3600 <html> <head> <title>Too Many Requests</title> </head> <body> <h1>Too Many Requests</h1> <p>Only 100 requests per hour per logged in user is allowed on this website. Try again soon.</p> </body> </html...
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REST is a set of web API architecture principles.REST APIs—also known as RESTful APIs—are APIs that adhere to certain REST architectural constraints. REST APIs use HTTP requests such as GET, PUT, HEAD and DELETE to interact with resources. REST makes data available as resources, with each ...
The message includes the request method, the request headers, the host, and any other relevant information. When the server is done processing the request, it sends an HTTP response over the TCP connection with the requested data and appropriate metadata.What is included in an HTTP request?