A Web API controller method can return the following types of values1.void2.HttpResponseMessage3.IHttpActionResult4. Some other typesDepending on the return type of the action, the Web API uses different processing methods to create an HTTP response
An HTTP connection consists of two parts, a request message and a response message that combine to be a complete HTTP request and do not display the request message or the response message separately.2. Note that an HTTP request is included in both
Tag: Doc IAT Code frame allows dap therefore dev beforeProblem descriptionThe front and back end of the project, using Vue, the back end uses spring MVC.Obviously, there is a need to address the browser's cross-domain Access data limitation, which
The HTTP response message consists of three parts: Response line, response header, and response body.First, Response Line: protocol version + status code + descriptionCommon Status Codes:100-199: Indicates a successful receive request that requires
Hypertext Transfer Protocol (hypertext Transfer Protocol, referred to as HTTP) is the application layer protocol. HTTP is a request/response protocol that sends a request to the server after a client has established a connection with the server, and
HTTP packets are divided into request messages and response messages ).
I,Packet Components
An HTTP packet consists of three parts:
(1) start line)
(2) Header)
(3) Body)
Example:
HTTP/1.0 200 OK // start line Content-Type: text/plain // header
First, the HTTP message is text-oriented, each field in the message is a number of ASCII strings, the length of each field is indeterminate. HTTP has two types of messages: Request messages and response messages.An HTTP request message consists of a
HTTP packets are text-oriented. Each field in the packet is an ASCII string, and the length of each field is uncertain. HTTP has two types of packets: Request Message and Response Message.
1. Request MessageAn HTTP Request Message consists of four
HTTP protocol is located in the application layer of the Protocol, we are in the daily Web page, such as in the navigation site request Baidu home page, will first through the HTTP protocol to do a similar coding work, sent to Baidu Server, Then in
HTTP Request messageThis is necessary to understand, at least we need to know when Nginx provides HTTP services, the client will pass something. What the client sends in an HTTP request is called an HTTP request message.1. The request line
The HTTP message contains 2 kinds of messages including the request message and the response message, they all contain the starting line, the first field, and the main body three parts. The request message contains the HTTP message bit request sent
In general, the server will return an HTTP response message after receiving and processing a request from the client.The HTTP response is also made up of four parts: the status line, the message header, the blank line, and the response body. HTTP
HTTP Request message Format:The HTTP request message consists of a request line, a request header, and a 3 part of the request body.1, Request lineConsists of 3 parts: The request method, the URL (see note 1), and the protocol version, separated by
Introduction Hypertext Transfer Protocol (HTTP, hypertext Transfer Protocol) is one of the most widely used network protocols on the Internet. All WWW documents must comply with this standard. HTTP was originally designed to provide a way to
Introduction to 1.HTTP protocols and messagesHTTP(Hypertext Transport Protocol), which is the Hypertext Transfer Protocol. This protocol details the rules for communicating with each other between the browser and the World Wide Web server . the
By default, Nginx gzip compression is off, gzip compression function is to allow you to save a lot of bandwidth, but will increase the cost of the server CPU, Nginx by default only text/html compression, if you want to compress the content outside
SendMessageReturn ValuesThe return value specifies the result of the message processing and depends on the message sent.This return value is the return value of the corresponding response message function.For example:There is a custom
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