本文主要介紹獲取springboot的配置文件內(nèi)容(springboot獲取properties中的內(nèi)容)，下面一起看看獲取springboot的配置文件內(nèi)容(springboot獲取properties中的內(nèi)容)相關(guān)資訊。
springboot可以通過@profile在配置類中定義配置環(huán)境( 發(fā)展與創(chuàng)新)，在實(shí)際開發(fā)中可能需要方法級(jí)的控制，也就是說可以獲取當(dāng)前環(huán)境的具體信息。
最后，通過查看springboot日志和源代碼找到答案。
springboot的啟動(dòng)日志里有以下句子:15 : 57 : 56.128【重啟main】。以下配置文件是activ:開發(fā)跟蹤代碼:springapplication.run方法public configuration application context。xt運(yùn)行(字符串...args) { stopwatch秒表=新秒表；秒表. start；configurableapplicationcontext上下文= nullfailureanalyzers analyzers = nullconfigureheadlessproperty；springapplicationrunlisteners listeners = getrunlisteners(args)；listeners . starting；try { application arguments application arguments = new defaultapplicationarguments(args)；configurable environment environment = prepare environment(listeners，application arguments)；banner printed banner = print banner(環(huán)境)；context = createapplicationcontext；分析器=新的故障分析器(上下文)；準(zhǔn)備上下文(上下文t、環(huán)境、偵聽器、applicationarguments、printed banner)；//此處打印，后面是refreshcontext(上下文)；afterrefresh(上下文，應(yīng)用程序參數(shù))；listeners.finished(上下文，空)；秒表. stop；if(this . logstartupinfo){ new startupinfologger(this . mainapplicationclass)。logstarted(getapplicationlog，秒表)；}返回上下文；} catch(throwable ex){ handlerunfailure(context，listeners，analyzers，ex)；拋出新的illegalstateexception(ex)；}}跟蹤代碼:spring應(yīng)用程序。preparecontext方法private void preparecontext(可配置環(huán)境上下文、springapplicationrunlisteners偵聽器、application arguments application arguments、banner printed banner){ context . set environment(環(huán)境)；postprocessapplicationcontext(上下文)；applyinitializers(上下文)；listeners.contextprepared(上下文)；if(this . logstartupinfo){ logstartupinfo(context . get parent= = null)；logstartupprofileinfo(上下文)；//名字顯而易見，繼續(xù)追蹤在}...}跟蹤代碼:springapplica。tion.logstartupprofileinfo的方法protected void logstartupprofileinfo(configurationapplicationcontext context){ log log = getapplicationlog；if(log . isinfoenabled){ string[]active profiles = context . get environment。getactiveprofiles；if(object utils . isempty(active profiles)){ string[]default profiles = cont: string utils . arraytocommadelimitedstring(default profiles))；} else { log . info( 以下簡(jiǎn)介是activ: string utils . arraytocommadelimitedstring(active profiles))；//我找到了。顯然，我使用了applicationcontxt容器。下一步是編寫工具類來獲取應(yīng)用程序。}}}編寫springcontextholder工具類@ slf4jpublic類springcontextholder實(shí)現(xiàn)applicationcontextaware，disposable bean { private static application context application context = null；/* * *獲取靜態(tài)變量中存儲(chǔ)的applicationcontext。*/public static application context getapplicationcontext{ assertcontextobject；退貨申請(qǐng)icationcontext}/* * *從靜態(tài)變量applicationcontext中獲取bean，并自動(dòng)將其轉(zhuǎn)換為所分配對(duì)象的類型。*/public static t t get bean(字符串名){ assertcontextinjected；return(t)application context . get bean(name)；}/* * *從靜態(tài)變量applicationcontext中獲取bean，并自動(dòng)將其轉(zhuǎn)換為所分配對(duì)象的類型。*/public static t t get bean(class required type){ assertcontextinjected；返回application context . get bean(required type)；}/* * *檢查applicationcontext是否不為空。*/private static void assertcontextobject{ if(application context = = null){ throw new illegalstateexception( applicaisetapplicatpcontextoncontext屬性未注入，請(qǐng)?jiān)赼pplicationcontext 。或者在springboot啟動(dòng)類中注冊(cè)springcontextholder。 );}}/* * *獲取當(dāng)前環(huán)境* @ return */public static string get active profile{返回應(yīng)用程序上下文。getenvironment。get active profiles[0]；}/* * *將springcontextholder中的applicationcontext清除為null。*/public static voidclearholder{ log . debug( 清除applicationcontext: springcontextholder中的applicationcontext應(yīng)用程序上下文= null；} @override public void destroy拋出異常{ springcontextholder . clear holder；} @ override public void setapplicationcontext(application context application context)拋出beans exception { if(spring context holder . application context！= null){ log . warn( springcontextholder中的applicationcontext被覆蓋，原applicationcontext為: springcontextholder . application上下文)；} springcontextholder . application context = application cont測(cè)試環(huán)境中控制當(dāng)前訪問的界面url的打印。
如果( 發(fā)展與創(chuàng)新。equals (springcontextholder。getactiveprofile){ system . out . println(string . format( = = = =當(dāng)前界面url : % s ，r:
環(huán)境變量
了解更多獲取springboot的配置文件內(nèi)容(springboot獲取properties中的內(nèi)容)相關(guān)內(nèi)容請(qǐng)關(guān)注本站點(diǎn)。