springboot自定義配置選項檢視技巧
在使用springboot的時候，由於它的自動配置的存在，一開始很容易上手進行應用開發，但是等需要進行深度自定義配置的時候，很多人蒙圈，哪些內容可以自定義配置，配置引數是什麼等等問題接踵而來，剛好我有個任務要進行springboot tomcat有那些配置引數可以配置的說明，所以就借這個機會告訴大家怎麼檢視某一個模組的配置引數有哪些。
首先，springboot的大部分自動配置類都在一個叫spring-boot-autoconfigure-X.x.x.jar包裡，如下所示：
而tomcat的配置在org.springframework.boot.autoconfigure.web包裡的ServerProperties
@ConfigurationProperties是spring 4.x新特性，通過讀取配置檔案資料來注入我們的實體屬性，如ServerProperties就是讀取配置檔案裡server開頭的配置選項來進行注入,比如我們在配置檔案裡配置了 server.port = 1000，則ServerProperties的port埠就是1000;ServerPropertis的屬性就整個應用的web容器的公用配置選項，我們可以看出有哪些。
接下來看下tomcat的配置有哪些，在同一個類裡，我們找到
從上面tomcat定義的屬性就可以看出，我們可以配置哪些熟悉，包括我們現在專案進行配置的accesslog配置，我點進Accesslog的定義，就知道怎麼在springboot配置檔案自定義配置accesslog，如下圖：
如果我們要配置accesslog的enabled屬性，只需要在application.properties檔案裡定義
Server.tomcat.accesslog.enabled= true;
Tomcat的所有配置選項如下：
server. Port = xxxx
server. Address =
server. contextPath =
server. displayName =
server. servletPath =
server. contextParameters =
server. useForwardHeaders =
server. serverHeader =
server. maxHttpHeaderSize =
server. maxHttpPostSize =
server. connectionTimeout =
server. session.timeout =
server. session.trackingModes =
server. session.persistent =
server.session.storeDir =
server.cookie. name =
server.cookie. domain =
server.cookie. path =
server.cookie. comment =
server.cookie. httpOnly =
server.cookie. secure =
server.cookie. maxAge =
server. ssl. Enabled =
server.ssl. clientAuth =
server.ssl. ciphers =
server.ssl. enabledProtocols =
server.ssl. keyAlias =
server.ssl. keyPassword =
server.ssl. keyStore =
server.ssl. keyStorePassword =
server.ssl. keyStoreType =
server.ssl. keyStoreProvider =
server.ssl. trustStore =
server.ssl. trustStorePassword =
server.ssl. trustStoreType =
server.ssl. trustStoreProvider =
server.ssl. protocol =
server.compression. enabled =
server.compression.mimeTypes =
server.compression.excludedUserAgents =
server.compression.minResponseSize =
server. jspServlet. className =
server.jspServlet. initParameters =
server.jspServlet.registered =
server.tomcat.accesslog.enabled =
server.tomcat.accesslog.pattern =
server.tomcat.accesslog.directory =
server.tomcat.accesslog.prefix =
server.tomcat.accesslog.suffix =
server.tomcat.accesslog.rotate =
server.tomcat.accesslog.renameOnRotate =
server.tomcat.accesslog.requestAttributesEnabled=
server.tomcat.accesslog.buffered =
server.tomcat.internalProxies =
server.tomcat.protocolHeader =
server.tomcat.protocolHeaderHttpsValue =
server.tomcat.portHeader =
server.tomcat.remoteIpHeader=
server.tomcat.basedir =
server.tomcat.backgroundProcessorDelay =
server.tomcat.maxThreads =
server.tomcat.minSpareThreads =
server.tomcat.maxHttpPostSize =
server.tomcat.maxHttpHeaderSize =
server.tomcat.redirectContextRoot =
server.tomcat.uriEncoding =
server.tomcat.maxConnections =
server.tomcat.additionalTldSkipPatterns =