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</a></span></div></div> <div data-v-7dd95ae2><div data-v-7dd95ae2><main class="page"><section style="display:;"><div class="page-title"><h1 class="title">HttpStatus</h1> <div data-v-8a445198><i class="iconfont reco-account" data-v-8a445198><span data-v-8a445198>哪吒</span></i> <i class="iconfont reco-date" data-v-8a445198><span data-v-8a445198>2020/1/1</span></i> <!----> <!----></div></div> <div class="theme-reco-content content__default"><blockquote><p>点击勘误<a href="https://github.com/webVueBlog/JavaPlusDoc/issues" target="_blank" rel="noopener noreferrer">issues<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>，哪吒感谢大家的阅读</p></blockquote> <img align="right" width="100" src="https://github.com/user-attachments/assets/51a2d7c4-49e0-4413-8756-34f8910fb0e8"> <h2 id="httpstatus"><a href="#httpstatus" class="header-anchor">#</a> HttpStatus</h2> <div class="language-java extra-class"><pre class="language-java"><code><span class="token keyword">public</span> <span class="token keyword">enum</span> <span class="token class-name">HttpStatus</span> <span class="token punctuation">{</span>
<span class="token comment">// 1xx Informational</span>
<span class="token function">CONTINUE</span><span class="token punctuation">(</span><span class="token number">100</span><span class="token punctuation">,</span> <span class="token string">"Continue"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">SWITCHING_PROTOCOLS</span><span class="token punctuation">(</span><span class="token number">101</span><span class="token punctuation">,</span> <span class="token string">"Switching Protocols"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">PROCESSING</span><span class="token punctuation">(</span><span class="token number">102</span><span class="token punctuation">,</span> <span class="token string">"Processing"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">CHECKPOINT</span><span class="token punctuation">(</span><span class="token number">103</span><span class="token punctuation">,</span> <span class="token string">"Checkpoint"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">// 2xx Success</span>
<span class="token function">OK</span><span class="token punctuation">(</span><span class="token number">200</span><span class="token punctuation">,</span> <span class="token string">"OK"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">CREATED</span><span class="token punctuation">(</span><span class="token number">201</span><span class="token punctuation">,</span> <span class="token string">"Created"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">ACCEPTED</span><span class="token punctuation">(</span><span class="token number">202</span><span class="token punctuation">,</span> <span class="token string">"Accepted"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">NON_AUTHORITATIVE_INFORMATION</span><span class="token punctuation">(</span><span class="token number">203</span><span class="token punctuation">,</span> <span class="token string">"Non-Authoritative Information"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">NO_CONTENT</span><span class="token punctuation">(</span><span class="token number">204</span><span class="token punctuation">,</span> <span class="token string">"No Content"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">RESET_CONTENT</span><span class="token punctuation">(</span><span class="token number">205</span><span class="token punctuation">,</span> <span class="token string">"Reset Content"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">PARTIAL_CONTENT</span><span class="token punctuation">(</span><span class="token number">206</span><span class="token punctuation">,</span> <span class="token string">"Partial Content"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">MULTI_STATUS</span><span class="token punctuation">(</span><span class="token number">207</span><span class="token punctuation">,</span> <span class="token string">"Multi-Status"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">ALREADY_REPORTED</span><span class="token punctuation">(</span><span class="token number">208</span><span class="token punctuation">,</span> <span class="token string">"Already Reported"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">IM_USED</span><span class="token punctuation">(</span><span class="token number">226</span><span class="token punctuation">,</span> <span class="token string">"IM Used"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">// 3xx Redirection</span>
<span class="token function">MULTIPLE_CHOICES</span><span class="token punctuation">(</span><span class="token number">300</span><span class="token punctuation">,</span> <span class="token string">"Multiple Choices"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">MOVED_PERMANENTLY</span><span class="token punctuation">(</span><span class="token number">301</span><span class="token punctuation">,</span> <span class="token string">"Moved Permanently"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">FOUND</span><span class="token punctuation">(</span><span class="token number">302</span><span class="token punctuation">,</span> <span class="token string">"Found"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">/** @deprecated */</span>
<span class="token annotation punctuation">@Deprecated</span>
<span class="token function">MOVED_TEMPORARILY</span><span class="token punctuation">(</span><span class="token number">302</span><span class="token punctuation">,</span> <span class="token string">"Moved Temporarily"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">SEE_OTHER</span><span class="token punctuation">(</span><span class="token number">303</span><span class="token punctuation">,</span> <span class="token string">"See Other"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">NOT_MODIFIED</span><span class="token punctuation">(</span><span class="token number">304</span><span class="token punctuation">,</span> <span class="token string">"Not Modified"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">/** @deprecated */</span>
<span class="token annotation punctuation">@Deprecated</span>
<span class="token function">USE_PROXY</span><span class="token punctuation">(</span><span class="token number">305</span><span class="token punctuation">,</span> <span class="token string">"Use Proxy"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">TEMPORARY_REDIRECT</span><span class="token punctuation">(</span><span class="token number">307</span><span class="token punctuation">,</span> <span class="token string">"Temporary Redirect"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">PERMANENT_REDIRECT</span><span class="token punctuation">(</span><span class="token number">308</span><span class="token punctuation">,</span> <span class="token string">"Permanent Redirect"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">// 4xx Client Error</span>
<span class="token function">BAD_REQUEST</span><span class="token punctuation">(</span><span class="token number">400</span><span class="token punctuation">,</span> <span class="token string">"Bad Request"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">UNAUTHORIZED</span><span class="token punctuation">(</span><span class="token number">401</span><span class="token punctuation">,</span> <span class="token string">"Unauthorized"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">PAYMENT_REQUIRED</span><span class="token punctuation">(</span><span class="token number">402</span><span class="token punctuation">,</span> <span class="token string">"Payment Required"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">FORBIDDEN</span><span class="token punctuation">(</span><span class="token number">403</span><span class="token punctuation">,</span> <span class="token string">"Forbidden"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">NOT_FOUND</span><span class="token punctuation">(</span><span class="token number">404</span><span class="token punctuation">,</span> <span class="token string">"Not Found"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">METHOD_NOT_ALLOWED</span><span class="token punctuation">(</span><span class="token number">405</span><span class="token punctuation">,</span> <span class="token string">"Method Not Allowed"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">NOT_ACCEPTABLE</span><span class="token punctuation">(</span><span class="token number">406</span><span class="token punctuation">,</span> <span class="token string">"Not Acceptable"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">PROXY_AUTHENTICATION_REQUIRED</span><span class="token punctuation">(</span><span class="token number">407</span><span class="token punctuation">,</span> <span class="token string">"Proxy Authentication Required"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">REQUEST_TIMEOUT</span><span class="token punctuation">(</span><span class="token number">408</span><span class="token punctuation">,</span> <span class="token string">"Request Timeout"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">CONFLICT</span><span class="token punctuation">(</span><span class="token number">409</span><span class="token punctuation">,</span> <span class="token string">"Conflict"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">GONE</span><span class="token punctuation">(</span><span class="token number">410</span><span class="token punctuation">,</span> <span class="token string">"Gone"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">LENGTH_REQUIRED</span><span class="token punctuation">(</span><span class="token number">411</span><span class="token punctuation">,</span> <span class="token string">"Length Required"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">PRECONDITION_FAILED</span><span class="token punctuation">(</span><span class="token number">412</span><span class="token punctuation">,</span> <span class="token string">"Precondition Failed"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">PAYLOAD_TOO_LARGE</span><span class="token punctuation">(</span><span class="token number">413</span><span class="token punctuation">,</span> <span class="token string">"Payload Too Large"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">/** @deprecated */</span>
<span class="token annotation punctuation">@Deprecated</span>
<span class="token function">REQUEST_ENTITY_TOO_LARGE</span><span class="token punctuation">(</span><span class="token number">413</span><span class="token punctuation">,</span> <span class="token string">"Request Entity Too Large"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">URI_TOO_LONG</span><span class="token punctuation">(</span><span class="token number">414</span><span class="token punctuation">,</span> <span class="token string">"URI Too Long"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">/** @deprecated */</span>
<span class="token annotation punctuation">@Deprecated</span>
<span class="token function">REQUEST_URI_TOO_LONG</span><span class="token punctuation">(</span><span class="token number">414</span><span class="token punctuation">,</span> <span class="token string">"Request-URI Too Long"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">UNSUPPORTED_MEDIA_TYPE</span><span class="token punctuation">(</span><span class="token number">415</span><span class="token punctuation">,</span> <span class="token string">"Unsupported Media Type"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">REQUESTED_RANGE_NOT_SATISFIABLE</span><span class="token punctuation">(</span><span class="token number">416</span><span class="token punctuation">,</span> <span class="token string">"Requested range not satisfiable"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">EXPECTATION_FAILED</span><span class="token punctuation">(</span><span class="token number">417</span><span class="token punctuation">,</span> <span class="token string">"Expectation Failed"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">I_AM_A_TEAPOT</span><span class="token punctuation">(</span><span class="token number">418</span><span class="token punctuation">,</span> <span class="token string">"I'm a teapot"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">/** @deprecated */</span>
<span class="token annotation punctuation">@Deprecated</span>
<span class="token function">INSUFFICIENT_SPACE_ON_RESOURCE</span><span class="token punctuation">(</span><span class="token number">419</span><span class="token punctuation">,</span> <span class="token string">"Insufficient Space On Resource"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">/** @deprecated */</span>
<span class="token annotation punctuation">@Deprecated</span>
<span class="token function">METHOD_FAILURE</span><span class="token punctuation">(</span><span class="token number">420</span><span class="token punctuation">,</span> <span class="token string">"Method Failure"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">/** @deprecated */</span>
<span class="token annotation punctuation">@Deprecated</span>
<span class="token function">DESTINATION_LOCKED</span><span class="token punctuation">(</span><span class="token number">421</span><span class="token punctuation">,</span> <span class="token string">"Destination Locked"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">UNPROCESSABLE_ENTITY</span><span class="token punctuation">(</span><span class="token number">422</span><span class="token punctuation">,</span> <span class="token string">"Unprocessable Entity"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">LOCKED</span><span class="token punctuation">(</span><span class="token number">423</span><span class="token punctuation">,</span> <span class="token string">"Locked"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">FAILED_DEPENDENCY</span><span class="token punctuation">(</span><span class="token number">424</span><span class="token punctuation">,</span> <span class="token string">"Failed Dependency"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">TOO_EARLY</span><span class="token punctuation">(</span><span class="token number">425</span><span class="token punctuation">,</span> <span class="token string">"Too Early"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">UPGRADE_REQUIRED</span><span class="token punctuation">(</span><span class="token number">426</span><span class="token punctuation">,</span> <span class="token string">"Upgrade Required"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">PRECONDITION_REQUIRED</span><span class="token punctuation">(</span><span class="token number">428</span><span class="token punctuation">,</span> <span class="token string">"Precondition Required"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">TOO_MANY_REQUESTS</span><span class="token punctuation">(</span><span class="token number">429</span><span class="token punctuation">,</span> <span class="token string">"Too Many Requests"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">REQUEST_HEADER_FIELDS_TOO_LARGE</span><span class="token punctuation">(</span><span class="token number">431</span><span class="token punctuation">,</span> <span class="token string">"Request Header Fields Too Large"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">UNAVAILABLE_FOR_LEGAL_REASONS</span><span class="token punctuation">(</span><span class="token number">451</span><span class="token punctuation">,</span> <span class="token string">"Unavailable For Legal Reasons"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">// 5xx Server Error</span>
<span class="token function">INTERNAL_SERVER_ERROR</span><span class="token punctuation">(</span><span class="token number">500</span><span class="token punctuation">,</span> <span class="token string">"Internal Server Error"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">NOT_IMPLEMENTED</span><span class="token punctuation">(</span><span class="token number">501</span><span class="token punctuation">,</span> <span class="token string">"Not Implemented"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">BAD_GATEWAY</span><span class="token punctuation">(</span><span class="token number">502</span><span class="token punctuation">,</span> <span class="token string">"Bad Gateway"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">SERVICE_UNAVAILABLE</span><span class="token punctuation">(</span><span class="token number">503</span><span class="token punctuation">,</span> <span class="token string">"Service Unavailable"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">GATEWAY_TIMEOUT</span><span class="token punctuation">(</span><span class="token number">504</span><span class="token punctuation">,</span> <span class="token string">"Gateway Timeout"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">HTTP_VERSION_NOT_SUPPORTED</span><span class="token punctuation">(</span><span class="token number">505</span><span class="token punctuation">,</span> <span class="token string">"HTTP Version not supported"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">VARIANT_ALSO_NEGOTIATES</span><span class="token punctuation">(</span><span class="token number">506</span><span class="token punctuation">,</span> <span class="token string">"Variant Also Negotiates"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">INSUFFICIENT_STORAGE</span><span class="token punctuation">(</span><span class="token number">507</span><span class="token punctuation">,</span> <span class="token string">"Insufficient Storage"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">LOOP_DETECTED</span><span class="token punctuation">(</span><span class="token number">508</span><span class="token punctuation">,</span> <span class="token string">"Loop Detected"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">BANDWIDTH_LIMIT_EXCEEDED</span><span class="token punctuation">(</span><span class="token number">509</span><span class="token punctuation">,</span> <span class="token string">"Bandwidth Limit Exceeded"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">NOT_EXTENDED</span><span class="token punctuation">(</span><span class="token number">510</span><span class="token punctuation">,</span> <span class="token string">"Not Extended"</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token function">NETWORK_AUTHENTICATION_REQUIRED</span><span class="token punctuation">(</span><span class="token number">511</span><span class="token punctuation">,</span> <span class="token string">"Network Authentication Required"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token keyword">int</span> value<span class="token punctuation">;</span>
<span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token class-name">String</span> reasonPhrase<span class="token punctuation">;</span>
<span class="token keyword">private</span> <span class="token class-name">HttpStatus</span><span class="token punctuation">(</span><span class="token keyword">int</span> value<span class="token punctuation">,</span> <span class="token class-name">String</span> reasonPhrase<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">this</span><span class="token punctuation">.</span>value <span class="token operator">=</span> value<span class="token punctuation">;</span>
<span class="token keyword">this</span><span class="token punctuation">.</span>reasonPhrase <span class="token operator">=</span> reasonPhrase<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 获取状态码</span>
<span class="token keyword">public</span> <span class="token keyword">int</span> <span class="token function">value</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>value<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 获取原因短语</span>
<span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">getReasonPhrase</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>reasonPhrase<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 获取状态系列</span>
<span class="token keyword">public</span> <span class="token class-name">Series</span> <span class="token function">series</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token class-name">HttpStatus<span class="token punctuation">.</span>Series</span><span class="token punctuation">.</span><span class="token function">valueOf</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 判断是否为1xx信息性状态</span>
<span class="token keyword">public</span> <span class="token keyword">boolean</span> <span class="token function">is1xxInformational</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">series</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">==</span> <span class="token class-name">HttpStatus<span class="token punctuation">.</span>Series</span><span class="token punctuation">.</span><span class="token constant">INFORMATIONAL</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 判断是否为2xx成功状态</span>
<span class="token keyword">public</span> <span class="token keyword">boolean</span> <span class="token function">is2xxSuccessful</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">series</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">==</span> <span class="token class-name">HttpStatus<span class="token punctuation">.</span>Series</span><span class="token punctuation">.</span><span class="token constant">SUCCESSFUL</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 判断是否为3xx重定向状态</span>
<span class="token keyword">public</span> <span class="token keyword">boolean</span> <span class="token function">is3xxRedirection</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">series</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">==</span> <span class="token class-name">HttpStatus<span class="token punctuation">.</span>Series</span><span class="token punctuation">.</span><span class="token constant">REDIRECTION</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 判断是否为4xx客户端错误状态</span>
<span class="token keyword">public</span> <span class="token keyword">boolean</span> <span class="token function">is4xxClientError</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">series</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">==</span> <span class="token class-name">HttpStatus<span class="token punctuation">.</span>Series</span><span class="token punctuation">.</span><span class="token constant">CLIENT_ERROR</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 判断是否为5xx服务器错误状态</span>
<span class="token keyword">public</span> <span class="token keyword">boolean</span> <span class="token function">is5xxServerError</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">series</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">==</span> <span class="token class-name">HttpStatus<span class="token punctuation">.</span>Series</span><span class="token punctuation">.</span><span class="token constant">SERVER_ERROR</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 判断是否为错误状态</span>
<span class="token keyword">public</span> <span class="token keyword">boolean</span> <span class="token function">isError</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">is4xxClientError</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">||</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">is5xxServerError</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 转换为字符串</span>
<span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">toString</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>value <span class="token operator">+</span> <span class="token string">" "</span> <span class="token operator">+</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">name</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 根据状态码获取HttpStatus枚举</span>
<span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token class-name">HttpStatus</span> <span class="token function">valueOf</span><span class="token punctuation">(</span><span class="token keyword">int</span> statusCode<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token class-name">HttpStatus</span> status <span class="token operator">=</span> <span class="token function">resolve</span><span class="token punctuation">(</span>statusCode<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>status <span class="token operator">==</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">IllegalArgumentException</span><span class="token punctuation">(</span><span class="token string">"No matching constant for ["</span> <span class="token operator">+</span> statusCode <span class="token operator">+</span> <span class="token string">"]"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> status<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token comment">// 根据状态码解析HttpStatus枚举</span>
<span class="token annotation punctuation">@Nullable</span>
<span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token class-name">HttpStatus</span> <span class="token function">resolve</span><span class="token punctuation">(</span><span class="token keyword">int</span> statusCode<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token class-name">HttpStatus</span><span class="token punctuation">[</span><span class="token punctuation">]</span> var1 <span class="token operator">=</span> <span class="token function">values</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">int</span> var2 <span class="token operator">=</span> var1<span class="token punctuation">.</span>length<span class="token punctuation">;</span>
<span class="token keyword">for</span><span class="token punctuation">(</span><span class="token keyword">int</span> var3 <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> var3 <span class="token operator"><</span> var2<span class="token punctuation">;</span> <span class="token operator">++</span>var3<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token class-name">HttpStatus</span> status <span class="token operator">=</span> var1<span class="token punctuation">[</span>var3<span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>status<span class="token punctuation">.</span>value <span class="token operator">==</span> statusCode<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> status<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token keyword">return</span> <span class="token keyword">null</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 状态系列枚举</span>
<span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">enum</span> <span class="token class-name">Series</span> <span class="token punctuation">{</span>
<span class="token comment">// 1xx Informational</span>
<span class="token function">INFORMATIONAL</span><span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">// 2xx Success</span>
<span class="token function">SUCCESSFUL</span><span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">// 3xx Redirection</span>
<span class="token function">REDIRECTION</span><span class="token punctuation">(</span><span class="token number">3</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">// 4xx Client Error</span>
<span class="token function">CLIENT_ERROR</span><span class="token punctuation">(</span><span class="token number">4</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token comment">// 5xx Server Error</span>
<span class="token function">SERVER_ERROR</span><span class="token punctuation">(</span><span class="token number">5</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token keyword">int</span> value<span class="token punctuation">;</span>
<span class="token keyword">private</span> <span class="token class-name">Series</span><span class="token punctuation">(</span><span class="token keyword">int</span> value<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">this</span><span class="token punctuation">.</span>value <span class="token operator">=</span> value<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 获取状态系列码</span>
<span class="token keyword">public</span> <span class="token keyword">int</span> <span class="token function">value</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>value<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 根据HttpStatus获取状态系列</span>
<span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token class-name">Series</span> <span class="token function">valueOf</span><span class="token punctuation">(</span><span class="token class-name">HttpStatus</span> status<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token function">valueOf</span><span class="token punctuation">(</span>status<span class="token punctuation">.</span>value<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// 根据状态码获取状态系列</span>
<span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token class-name">Series</span> <span class="token function">valueOf</span><span class="token punctuation">(</span><span class="token keyword">int</span> statusCode<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token class-name">Series</span> series <span class="token operator">=</span> <span class="token function">resolve</span><span class="token punctuation">(</span>statusCode<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>series <span class="token operator">==</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">IllegalArgumentException</span><span class="token punctuation">(</span><span class="token string">"No matching constant for ["</span> <span class="token operator">+</span> statusCode <span class="token operator">+</span> <span class="token string">"]"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> series<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token comment">// 根据状态码解析状态系列</span>
<span class="token annotation punctuation">@Nullable</span>
<span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token class-name">Series</span> <span class="token function">resolve</span><span class="token punctuation">(</span><span class="token keyword">int</span> statusCode<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">int</span> seriesCode <span class="token operator">=</span> statusCode <span class="token operator">/</span> <span class="token number">100</span><span class="token punctuation">;</span>
<span class="token class-name">Series</span><span class="token punctuation">[</span><span class="token punctuation">]</span> var2 <span class="token operator">=</span> <span class="token function">values</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">int</span> var3 <span class="token operator">=</span> var2<span class="token punctuation">.</span>length<span class="token punctuation">;</span>
<span class="token keyword">for</span><span class="token punctuation">(</span><span class="token keyword">int</span> var4 <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> var4 <span class="token operator"><</span> var3<span class="token punctuation">;</span> <span class="token operator">++</span>var4<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token class-name">Series</span> series <span class="token operator">=</span> var2<span class="token punctuation">[</span>var4<span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>series<span class="token punctuation">.</span>value <span class="token operator">==</span> seriesCode<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> series<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token keyword">return</span> <span class="token keyword">null</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
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