知识分享之Golang——分享http包中常用的响应常量文件

背景

知识分享之Golang篇是我在日常使用Golang时学习到的各种各样的知识的记录，将其整理出来以文章的形式分享给大家，来进行共同学习。欢迎大家进行持续关注。

知识分享系列目前包含Java、Golang、Linux、Docker等等。

开发环境

• 系统：windows10
• 语言：Golang
• golang版本：1.17

内容

我们在进行请求响应时需要根据不同的请求进行响应不同的状态码，常用的响应码200、404、403、500等，这些响应码在http包中golang已经给我们内置好了，可以直接使用常量进行快速使用，不必使用自定义字符串，下面是我对于http包各种响应码，有兴趣的小伙伴们可以进行翻看一下。

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package http

// HTTP status codes as registered with IANA.
// See: https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
const (
    StatusContinue           = 100 // RFC 7231, 6.2.1
    StatusSwitchingProtocols = 101 // RFC 7231, 6.2.2
    StatusProcessing         = 102 // RFC 2518, 10.1
    StatusEarlyHints         = 103 // RFC 8297

    StatusOK                   = 200 // RFC 7231, 6.3.1
    StatusCreated              = 201 // RFC 7231, 6.3.2
    StatusAccepted             = 202 // RFC 7231, 6.3.3
    StatusNonAuthoritativeInfo = 203 // RFC 7231, 6.3.4
    StatusNoContent            = 204 // RFC 7231, 6.3.5
    StatusResetContent         = 205 // RFC 7231, 6.3.6
    StatusPartialContent       = 206 // RFC 7233, 4.1
    StatusMultiStatus          = 207 // RFC 4918, 11.1
    StatusAlreadyReported      = 208 // RFC 5842, 7.1
    StatusIMUsed               = 226 // RFC 3229, 10.4.1

    StatusMultipleChoices   = 300 // RFC 7231, 6.4.1
    StatusMovedPermanently  = 301 // RFC 7231, 6.4.2
    StatusFound             = 302 // RFC 7231, 6.4.3
    StatusSeeOther          = 303 // RFC 7231, 6.4.4
    StatusNotModified       = 304 // RFC 7232, 4.1
    StatusUseProxy          = 305 // RFC 7231, 6.4.5
    _                       = 306 // RFC 7231, 6.4.6 (Unused)
    StatusTemporaryRedirect = 307 // RFC 7231, 6.4.7
    StatusPermanentRedirect = 308 // RFC 7538, 3

    StatusBadRequest                   = 400 // RFC 7231, 6.5.1
    StatusUnauthorized                 = 401 // RFC 7235, 3.1
    StatusPaymentRequired              = 402 // RFC 7231, 6.5.2
    StatusForbidden                    = 403 // RFC 7231, 6.5.3
    StatusNotFound                     = 404 // RFC 7231, 6.5.4
    StatusMethodNotAllowed             = 405 // RFC 7231, 6.5.5
    StatusNotAcceptable                = 406 // RFC 7231, 6.5.6
    StatusProxyAuthRequired            = 407 // RFC 7235, 3.2
    StatusRequestTimeout               = 408 // RFC 7231, 6.5.7
    StatusConflict                     = 409 // RFC 7231, 6.5.8
    StatusGone                         = 410 // RFC 7231, 6.5.9
    StatusLengthRequired               = 411 // RFC 7231, 6.5.10
    StatusPreconditionFailed           = 412 // RFC 7232, 4.2
    StatusRequestEntityTooLarge        = 413 // RFC 7231, 6.5.11
    StatusRequestURITooLong            = 414 // RFC 7231, 6.5.12
    StatusUnsupportedMediaType         = 415 // RFC 7231, 6.5.13
    StatusRequestedRangeNotSatisfiable = 416 // RFC 7233, 4.4
    StatusExpectationFailed            = 417 // RFC 7231, 6.5.14
    StatusTeapot                       = 418 // RFC 7168, 2.3.3
    StatusMisdirectedRequest           = 421 // RFC 7540, 9.1.2
    StatusUnprocessableEntity          = 422 // RFC 4918, 11.2
    StatusLocked                       = 423 // RFC 4918, 11.3
    StatusFailedDependency             = 424 // RFC 4918, 11.4
    StatusTooEarly                     = 425 // RFC 8470, 5.2.
    StatusUpgradeRequired              = 426 // RFC 7231, 6.5.15
    StatusPreconditionRequired         = 428 // RFC 6585, 3
    StatusTooManyRequests              = 429 // RFC 6585, 4
    StatusRequestHeaderFieldsTooLarge  = 431 // RFC 6585, 5
    StatusUnavailableForLegalReasons   = 451 // RFC 7725, 3

    StatusInternalServerError           = 500 // RFC 7231, 6.6.1
    StatusNotImplemented                = 501 // RFC 7231, 6.6.2
    StatusBadGateway                    = 502 // RFC 7231, 6.6.3
    StatusServiceUnavailable            = 503 // RFC 7231, 6.6.4
    StatusGatewayTimeout                = 504 // RFC 7231, 6.6.5
    StatusHTTPVersionNotSupported       = 505 // RFC 7231, 6.6.6
    StatusVariantAlsoNegotiates         = 506 // RFC 2295, 8.1
    StatusInsufficientStorage           = 507 // RFC 4918, 11.5
    StatusLoopDetected                  = 508 // RFC 5842, 7.2
    StatusNotExtended                   = 510 // RFC 2774, 7
    StatusNetworkAuthenticationRequired = 511 // RFC 6585, 6
)

var statusText = map[int]string{
    StatusContinue:           "Continue",
    StatusSwitchingProtocols: "Switching Protocols",
    StatusProcessing:         "Processing",
    StatusEarlyHints:         "Early Hints",

    StatusOK:                   "OK",
    StatusCreated:              "Created",
    StatusAccepted:             "Accepted",
    StatusNonAuthoritativeInfo: "Non-Authoritative Information",
    StatusNoContent:            "No Content",
    StatusResetContent:         "Reset Content",
    StatusPartialContent:       "Partial Content",
    StatusMultiStatus:          "Multi-Status",
    StatusAlreadyReported:      "Already Reported",
    StatusIMUsed:               "IM Used",

    StatusMultipleChoices:   "Multiple Choices",
    StatusMovedPermanently:  "Moved Permanently",
    StatusFound:             "Found",
    StatusSeeOther:          "See Other",
    StatusNotModified:       "Not Modified",
    StatusUseProxy:          "Use Proxy",
    StatusTemporaryRedirect: "Temporary Redirect",
    StatusPermanentRedirect: "Permanent Redirect",

    StatusBadRequest:                   "Bad Request",
    StatusUnauthorized:                 "Unauthorized",
    StatusPaymentRequired:              "Payment Required",
    StatusForbidden:                    "Forbidden",
    StatusNotFound:                     "Not Found",
    StatusMethodNotAllowed:             "Method Not Allowed",
    StatusNotAcceptable:                "Not Acceptable",
    StatusProxyAuthRequired:            "Proxy Authentication Required",
    StatusRequestTimeout:               "Request Timeout",
    StatusConflict:                     "Conflict",
    StatusGone:                         "Gone",
    StatusLengthRequired:               "Length Required",
    StatusPreconditionFailed:           "Precondition Failed",
    StatusRequestEntityTooLarge:        "Request Entity Too Large",
    StatusRequestURITooLong:            "Request URI Too Long",
    StatusUnsupportedMediaType:         "Unsupported Media Type",
    StatusRequestedRangeNotSatisfiable: "Requested Range Not Satisfiable",
    StatusExpectationFailed:            "Expectation Failed",
    StatusTeapot:                       "I'm a teapot",
    StatusMisdirectedRequest:           "Misdirected Request",
    StatusUnprocessableEntity:          "Unprocessable Entity",
    StatusLocked:                       "Locked",
    StatusFailedDependency:             "Failed Dependency",
    StatusTooEarly:                     "Too Early",
    StatusUpgradeRequired:              "Upgrade Required",
    StatusPreconditionRequired:         "Precondition Required",
    StatusTooManyRequests:              "Too Many Requests",
    StatusRequestHeaderFieldsTooLarge:  "Request Header Fields Too Large",
    StatusUnavailableForLegalReasons:   "Unavailable For Legal Reasons",

    StatusInternalServerError:           "Internal Server Error",
    StatusNotImplemented:                "Not Implemented",
    StatusBadGateway:                    "Bad Gateway",
    StatusServiceUnavailable:            "Service Unavailable",
    StatusGatewayTimeout:                "Gateway Timeout",
    StatusHTTPVersionNotSupported:       "HTTP Version Not Supported",
    StatusVariantAlsoNegotiates:         "Variant Also Negotiates",
    StatusInsufficientStorage:           "Insufficient Storage",
    StatusLoopDetected:                  "Loop Detected",
    StatusNotExtended:                   "Not Extended",
    StatusNetworkAuthenticationRequired: "Network Authentication Required",
}

// StatusText returns a text for the HTTP status code. It returns the empty
// string if the code is unknown.
func StatusText(code int) string {
    return statusText[code]
}

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