Spring Boot入门开发之明月千城（一）

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最近数据分析的项目也即将告一段落了，中间也积累了很多知识，特此记录一下。其中用的最爽的Web组合开发就是Intellij IDEA + Maven + Spring Boot + Velocity + Boostrap + jQuery了，关于后端的数据分析和处理的Hadoop模块，会放在Hadoop分类的博客文章中记录。

Spring Boot提供了一个强大的一键式Spring的集成开发环境，能够单独进行一个Spring应用的开发，其中： （1）集中式配置（application.properties）+注解，大大简化了开发流程 （2）内嵌的Tomcat和Jetty容器，可直接打成jar包启动，无需提供Java war包以及繁琐的Web配置 （3）提供了Spring各个插件的基于Maven的pom模板配置，开箱即用，便利无比。 （4）可以在任何你想自动化配置的地方，实现可能 （5）提供更多的企业级开发特性，如何系统监控，健康诊断，权限控制 （6） 无冗余代码生成和XML强制配置 （7）提供支持强大的Restfult风格的编码，非常简洁 当然Spring Boot提供的功能，远远比上面的强大，散仙会在后续文章中，逐渐以实际工作中的项目为背景，穿插记录使用Spring Boot的心得体会。 下面看一个入门级的例子： pom依赖：

Java代码

<?xml version="1.0" encoding="UTF-8"?><project xmlns=""xmlns:xsi=""xsi:schemaLocation=" http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.spring.boot</groupId><artifactId>springboot</artifactId><version>1.0-SNAPSHOT</version><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>1.2.3.RELEASE</version></parent><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency></dependencies></project>核心代码：

Java代码

package controller;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.EnableAutoConfiguration;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestBody;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.ResponseBody;/** * Created by 三劫散仙 on 2015/4/24. */@Controller@EnableAutoConfigurationpublic class HellowController {@RequestMapping("/hellow")@ResponseBodypublic String hellow(){return "哈喽，Spring Boot ！";}public static void main(String[] args) {//第一个简单的应用，SpringApplication.run(HellowController.class,args);}}控制台输出：

Java代码

D:\soft\Java\jdk1.7.0_04\bin\java-Didea.launcher.port=7532"-Didea.launcher.bin.path=D:\idea\ideainstall\IntelliJIDEA14.0.2\bin"-Dfile.encoding=UTF-8-classpath"D:\soft\Java\jdk1.7.0_04\jre\lib\charsets.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\deploy.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\javaws.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\jce.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\jfr.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\jsse.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\management-agent.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\plugin.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\resources.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\rt.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\ext\dnsns.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\ext\localedata.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\ext\sunec.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\ext\sunjce_provider.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\ext\sunmscapi.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\ext\zipfs.jar;D:\idea\ideaworkspace\Springboot\target\classes;C:\Users\qin\.m2\repository\org\springframework\boot\spring-boot-starter-web\1.2.3.RELEASE\spring-boot-starter-web-1.2.3.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\boot\spring-boot-starter\1.2.3.RELEASE\spring-boot-starter-1.2.3.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\boot\spring-boot\1.2.3.RELEASE\spring-boot-1.2.3.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\1.2.3.RELEASE\spring-boot-autoconfigure-1.2.3.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\boot\spring-boot-starter-logging\1.2.3.RELEASE\spring-boot-starter-logging-1.2.3.RELEASE.jar;C:\Users\qin\.m2\repository\org\slf4j\jcl-over-slf4j\1.7.11\jcl-over-slf4j-1.7.11.jar;C:\Users\qin\.m2\repository\org\slf4j\slf4j-api\1.7.11\slf4j-api-1.7.11.jar;C:\Users\qin\.m2\repository\org\slf4j\jul-to-slf4j\1.7.11\jul-to-slf4j-1.7.11.jar;C:\Users\qin\.m2\repository\org\slf4j\log4j-over-slf4j\1.7.11\log4j-over-slf4j-1.7.11.jar;C:\Users\qin\.m2\repository\ch\qos\logback\logback-classic\1.1.3\logback-classic-1.1.3.jar;C:\Users\qin\.m2\repository\ch\qos\logback\logback-core\1.1.3\logback-core-1.1.3.jar;C:\Users\qin\.m2\repository\org\yaml\snakeyaml\1.14\snakeyaml-1.14.jar;C:\Users\qin\.m2\repository\org\springframework\boot\spring-boot-starter-tomcat\1.2.3.RELEASE\spring-boot-starter-tomcat-1.2.3.RELEASE.jar;C:\Users\qin\.m2\repository\org\apache\tomcat\embed\tomcat-embed-core\8.0.20\tomcat-embed-core-8.0.20.jar;C:\Users\qin\.m2\repository\org\apache\tomcat\embed\tomcat-embed-el\8.0.20\tomcat-embed-el-8.0.20.jar;C:\Users\qin\.m2\repository\org\apache\tomcat\embed\tomcat-embed-logging-juli\8.0.20\tomcat-embed-logging-juli-8.0.20.jar;C:\Users\qin\.m2\repository\org\apache\tomcat\embed\tomcat-embed-websocket\8.0.20\tomcat-embed-websocket-8.0.20.jar;C:\Users\qin\.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.4.5\jackson-databind-2.4.5.jar;C:\Users\qin\.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.4.5\jackson-annotations-2.4.5.jar;C:\Users\qin\.m2\repository\com\fasterxml\jackson\core\jackson-core\2.4.5\jackson-core-2.4.5.jar;C:\Users\qin\.m2\repository\org\hibernate\hibernate-validator\5.1.3.Final\hibernate-validator-5.1.3.Final.jar;C:\Users\qin\.m2\repository\javax\validation\validation-api\1.1.0.Final\validation-api-1.1.0.Final.jar;C:\Users\qin\.m2\repository\org\jboss\logging\jboss-logging\3.1.3.GA\jboss-logging-3.1.3.GA.jar;C:\Users\qin\.m2\repository\com\fasterxml\classmate\1.0.0\classmate-1.0.0.jar;C:\Users\qin\.m2\repository\org\springframework\spring-core\4.1.6.RELEASE\spring-core-4.1.6.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\spring-web\4.1.6.RELEASE\spring-web-4.1.6.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\spring-aop\4.1.6.RELEASE\spring-aop-4.1.6.RELEASE.jar;C:\Users\qin\.m2\repository\aopalliance\aopalliance\1.0\aopalliance-1.0.jar;C:\Users\qin\.m2\repository\org\springframework\spring-beans\4.1.6.RELEASE\spring-beans-4.1.6.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\spring-context\4.1.6.RELEASE\spring-context-4.1.6.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\spring-webmvc\4.1.6.RELEASE\spring-webmvc-4.1.6.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\spring-expression\4.1.6.RELEASE\spring-expression-4.1.6.RELEASE.jar;D:\idea\ideainstall\IntelliJIDEA14.0.2\lib\idea_rt.jar"com.intellij.rt.execution.application.AppMaincontroller.HellowController 2015-04-2401:12:41.399INFO4428—[main]controller.HellowController:StartingHellowControlleronqin-PCwithPID4428(D:\idea\ideaworkspace\Springboot\target\classesstartedbyqininD:\idea\ideaworkspace\Springboot) 2015-04-2401:12:41.458INFO4428—[main]ationConfigEmbeddedWebApplicationContext:Refreshingorg.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@2923a47c:startupdate[FriApr2401:12:41CST2015];rootofcontexthierarchy 2015-04-2401:12:42.393INFO4428—[main]o.s.b.f.s.DefaultListableBeanFactory:Overridingbeandefinitionforbean’beanNameViewResolver’:replacing[Rootbean:class[null];scope=;abstract=false;lazyInit=false;autowireMode=3;dependencyCheck=0;autowireCandidate=true;primary=false;factoryBeanName=org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration$WhitelabelErrorViewConfiguration;factoryMethodName=beanNameViewResolver;initMethodName=null;destroyMethodName=(inferred);definedinclasspathresource[org/springframework/boot/autoconfigure/web/ErrorMvcAutoConfiguration$WhitelabelErrorViewConfiguration.class]]with[Rootbean:class[null];scope=;abstract=false;lazyInit=false;autowireMode=3;dependencyCheck=0;autowireCandidate=true;primary=false;factoryBeanName=org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter;factoryMethodName=beanNameViewResolver;initMethodName=null;destroyMethodName=(inferred);definedinclasspathresource[org/springframework/boot/autoconfigure/web/WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter.class]] 2015-04-2401:12:44.399INFO4428—[main]s.b.c.e.t.TomcatEmbeddedServletContainer:Tomcatinitializedwithport(s):8080(http) 2015-04-2401:12:44.959INFO4428—[main]o.apache.catalina.core.StandardService:StartingserviceTomcat 2015-04-2401:12:44.973INFO4428—[main]org.apache.catalina.core.StandardEngine:StartingServletEngine:ApacheTomcat/8.0.202015-04-2401:12:45.332INFO4428—[ost-startStop-1]o.a.c.c.C.[Tomcat].[localhost].[/]:InitializingSpringembeddedWebApplicationContext 2015-04-2401:12:45.332INFO4428—[ost-startStop-1]o.s.web.context.ContextLoader:RootWebApplicationContext:initializationcompletedin3880ms 2015-04-2401:12:46.274INFO4428—[ost-startStop-1]o.s.b.c.e.ServletRegistrationBean:Mappingservlet:’dispatcherServlet’to[/] 2015-04-2401:12:46.295INFO4428—[ost-startStop-1]o.s.b.c.embedded.FilterRegistrationBean:Mappingfilter:’characterEncodingFilter’to:[/*]2015-04-2401:12:46.296INFO4428—[ost-startStop-1]o.s.b.c.embedded.FilterRegistrationBean:Mappingfilter:’hiddenHttpMethodFilter’to:[/*]2015-04-2401:12:46.481INFO4428—[main]s.w.s.m.m.a.RequestMappingHandlerAdapter:Lookingfor@ControllerAdvice:org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@2923a47c:startupdate[FriApr2401:12:41CST2015];rootofcontexthierarchy2015-04-2401:12:46.542INFO4428—[main]s.w.s.m.m.a.RequestMappingHandlerMapping:Mapped"{[/hellow],methods=[],params=[],headers=[],consumes=[],produces=[],custom=[]}"ontopublicjava.lang.Stringcontroller.HellowController.hellow()2015-04-2401:12:46.544INFO4428—[main]s.w.s.m.m.a.RequestMappingHandlerMapping:Mapped"{[/error],methods=[],params=[],headers=[],consumes=[],produces=[],custom=[]}"ontopublicorg.springframework.http.ResponseEntity<java.util.Map<java.lang.String,java.lang.Object>>org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)2015-04-2401:12:46.545INFO4428—[main]s.w.s.m.m.a.RequestMappingHandlerMapping:Mapped"{[/error],methods=[],params=[],headers=[],consumes=[],produces=[text/html],custom=[]}"ontopublicorg.springframework.web.servlet.ModelAndVieworg.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest)2015-04-2401:12:46.595INFO4428—[main]o.s.w.s.handler.SimpleUrlHandlerMapping:MappedURLpath[/**]ontohandleroftype[classorg.springframework.web.servlet.resource.ResourceHttpRequestHandler]2015-04-2401:12:46.596INFO4428—[main]o.s.w.s.handler.SimpleUrlHandlerMapping:MappedURLpath[/webjars/**]ontohandleroftype[classorg.springframework.web.servlet.resource.ResourceHttpRequestHandler]2015-04-2401:12:46.639INFO4428—[main]o.s.w.s.handler.SimpleUrlHandlerMapping:MappedURLpath[/**/favicon.ico]ontohandleroftype[classorg.springframework.web.servlet.resource.ResourceHttpRequestHandler] 2015-04-2401:12:46.708INFO4428—[main]o.s.j.e.a.AnnotationMBeanExporter:RegisteringbeansforJMXexposureonstartup 2015-04-2401:12:46.829INFO4428—[main]s.b.c.e.t.TomcatEmbeddedServletContainer:Tomcatstartedonport(s):8080(http) 2015-04-2401:12:46.830INFO4428—[main]controller.HellowController:StartedHellowControllerin5.978seconds(JVMrunningfor6.739) 2015-04-2401:13:29.470INFO4428—[nio-8080-exec-1]o.a.c.c.C.[Tomcat].[localhost].[/]:InitializingSpringFrameworkServlet’dispatcherServlet’2015-04-2401:13:29.470INFO4428—[nio-8080-exec-1]o.s.web.servlet.DispatcherServlet:FrameworkServlet’dispatcherServlet’:initializationstarted 2015-04-2401:13:29.486INFO4428—[nio-8080-exec-1]o.s.web.servlet.DispatcherServlet:FrameworkServlet’dispatcherServlet’:initializationcompletedin16ms

D:\soft\Java\jdk1.7.0_04\bin\java -Didea.launcher.port=7532 "-Didea.launcher.bin.path=D:\idea\ideainstall\IntelliJ IDEA 14.0.2\bin" -Dfile.encoding=UTF-8 -classpath "D:\soft\Java\jdk1.7.0_04\jre\lib\charsets.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\deploy.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\javaws.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\jce.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\jfr.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\jsse.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\management-agent.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\plugin.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\resources.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\rt.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\ext\dnsns.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\ext\localedata.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\ext\sunec.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\ext\sunjce_provider.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\ext\sunmscapi.jar;D:\soft\Java\jdk1.7.0_04\jre\lib\ext\zipfs.jar;D:\idea\ideaworkspace\Springboot\target\classes;C:\Users\qin\.m2\repository\org\springframework\boot\spring-boot-starter-web\1.2.3.RELEASE\spring-boot-starter-web-1.2.3.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\boot\spring-boot-starter\1.2.3.RELEASE\spring-boot-starter-1.2.3.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\boot\spring-boot\1.2.3.RELEASE\spring-boot-1.2.3.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\1.2.3.RELEASE\spring-boot-autoconfigure-1.2.3.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\boot\spring-boot-starter-logging\1.2.3.RELEASE\spring-boot-starter-logging-1.2.3.RELEASE.jar;C:\Users\qin\.m2\repository\org\slf4j\jcl-over-slf4j\1.7.11\jcl-over-slf4j-1.7.11.jar;C:\Users\qin\.m2\repository\org\slf4j\slf4j-api\1.7.11\slf4j-api-1.7.11.jar;C:\Users\qin\.m2\repository\org\slf4j\jul-to-slf4j\1.7.11\jul-to-slf4j-1.7.11.jar;C:\Users\qin\.m2\repository\org\slf4j\log4j-over-slf4j\1.7.11\log4j-over-slf4j-1.7.11.jar;C:\Users\qin\.m2\repository\ch\qos\logback\logback-classic\1.1.3\logback-classic-1.1.3.jar;C:\Users\qin\.m2\repository\ch\qos\logback\logback-core\1.1.3\logback-core-1.1.3.jar;C:\Users\qin\.m2\repository\org\yaml\snakeyaml\1.14\snakeyaml-1.14.jar;C:\Users\qin\.m2\repository\org\springframework\boot\spring-boot-starter-tomcat\1.2.3.RELEASE\spring-boot-starter-tomcat-1.2.3.RELEASE.jar;C:\Users\qin\.m2\repository\org\apache\tomcat\embed\tomcat-embed-core\8.0.20\tomcat-embed-core-8.0.20.jar;C:\Users\qin\.m2\repository\org\apache\tomcat\embed\tomcat-embed-el\8.0.20\tomcat-embed-el-8.0.20.jar;C:\Users\qin\.m2\repository\org\apache\tomcat\embed\tomcat-embed-logging-juli\8.0.20\tomcat-embed-logging-juli-8.0.20.jar;C:\Users\qin\.m2\repository\org\apache\tomcat\embed\tomcat-embed-websocket\8.0.20\tomcat-embed-websocket-8.0.20.jar;C:\Users\qin\.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.4.5\jackson-databind-2.4.5.jar;C:\Users\qin\.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.4.5\jackson-annotations-2.4.5.jar;C:\Users\qin\.m2\repository\com\fasterxml\jackson\core\jackson-core\2.4.5\jackson-core-2.4.5.jar;C:\Users\qin\.m2\repository\org\hibernate\hibernate-validator\5.1.3.Final\hibernate-validator-5.1.3.Final.jar;C:\Users\qin\.m2\repository\javax\validation\validation-api\1.1.0.Final\validation-api-1.1.0.Final.jar;C:\Users\qin\.m2\repository\org\jboss\logging\jboss-logging\3.1.3.GA\jboss-logging-3.1.3.GA.jar;C:\Users\qin\.m2\repository\com\fasterxml\classmate\1.0.0\classmate-1.0.0.jar;C:\Users\qin\.m2\repository\org\springframework\spring-core\4.1.6.RELEASE\spring-core-4.1.6.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\spring-web\4.1.6.RELEASE\spring-web-4.1.6.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\spring-aop\4.1.6.RELEASE\spring-aop-4.1.6.RELEASE.jar;C:\Users\qin\.m2\repository\aopalliance\aopalliance\1.0\aopalliance-1.0.jar;C:\Users\qin\.m2\repository\org\springframework\spring-beans\4.1.6.RELEASE\spring-beans-4.1.6.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\spring-context\4.1.6.RELEASE\spring-context-4.1.6.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\spring-webmvc\4.1.6.RELEASE\spring-webmvc-4.1.6.RELEASE.jar;C:\Users\qin\.m2\repository\org\springframework\spring-expression\4.1.6.RELEASE\spring-expression-4.1.6.RELEASE.jar;D:\idea\ideainstall\IntelliJ IDEA 14.0.2\lib\idea_rt.jar" com.intellij.rt.execution.application.AppMain controller.HellowController . _______ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot ::(v1.2.3.RELEASE)2015-04-24 01:12:41.399 INFO 4428 — [main] controller.HellowController: Starting HellowController on qin-PC with PID 4428 (D:\idea\ideaworkspace\Springboot\target\classes started by qin in D:\idea\ideaworkspace\Springboot)2015-04-24 01:12:41.458 INFO 4428 — [main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@2923a47c: startup date [Fri Apr 24 01:12:41 CST 2015]; root of context hierarchy2015-04-24 01:12:42.393 INFO 4428 — [main] o.s.b.f.s.DefaultListableBeanFactory: Overriding bean definition for bean 'beanNameViewResolver': replacing [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration$WhitelabelErrorViewConfiguration; factoryMethodName=beanNameViewResolver; initMethodName=null; destroyMethodName=(inferred); defined in class path resource [org/springframework/boot/autoconfigure/web/ErrorMvcAutoConfiguration$WhitelabelErrorViewConfiguration.class]] with [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter; factoryMethodName=beanNameViewResolver; initMethodName=null; destroyMethodName=(inferred); defined in class path resource [org/springframework/boot/autoconfigure/web/WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter.class]]2015-04-24 01:12:44.399 INFO 4428 — [main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8080 (http)2015-04-24 01:12:44.959 INFO 4428 — [main] o.apache.catalina.core.StandardService : Starting service Tomcat2015-04-24 01:12:44.973 INFO 4428 — [main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.0.202015-04-24 01:12:45.332 INFO 4428 — [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/]: Initializing Spring embedded WebApplicationContext2015-04-24 01:12:45.332 INFO 4428 — [ost-startStop-1] o.s.web.context.ContextLoader: Root WebApplicationContext: initialization completed in 3880 ms2015-04-24 01:12:46.274 INFO 4428 — [ost-startStop-1] o.s.b.c.e.ServletRegistrationBean: Mapping servlet: 'dispatcherServlet' to [/]2015-04-24 01:12:46.295 INFO 4428 — [ost-startStop-1] o.s.b.c.embedded.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]2015-04-24 01:12:46.296 INFO 4428 — [ost-startStop-1] o.s.b.c.embedded.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]2015-04-24 01:12:46.481 INFO 4428 — [main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@2923a47c: startup date [Fri Apr 24 01:12:41 CST 2015]; root of context hierarchy2015-04-24 01:12:46.542 INFO 4428 — [main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/hellow],methods=[],params=[],headers=[],consumes=[],produces=[],custom=[]}" onto public java.lang.String controller.HellowController.hellow()2015-04-24 01:12:46.544 INFO 4428 — [main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],methods=[],params=[],headers=[],consumes=[],produces=[],custom=[]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)2015-04-24 01:12:46.545 INFO 4428 — [main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],methods=[],params=[],headers=[],consumes=[],produces=[text/html],custom=[]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest)2015-04-24 01:12:46.595 INFO 4428 — [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]2015-04-24 01:12:46.596 INFO 4428 — [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]2015-04-24 01:12:46.639 INFO 4428 — [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]2015-04-24 01:12:46.708 INFO 4428 — [main] o.s.j.e.a.AnnotationMBeanExporter: Registering beans for JMX exposure on startup2015-04-24 01:12:46.829 INFO 4428 — [main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)2015-04-24 01:12:46.830 INFO 4428 — [main] controller.HellowController: Started HellowController in 5.978 seconds (JVM running for 6.739)2015-04-24 01:13:29.470 INFO 4428 — [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/]: Initializing Spring FrameworkServlet 'dispatcherServlet'2015-04-24 01:13:29.470 INFO 4428 — [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet: FrameworkServlet 'dispatcherServlet': initialization started2015-04-24 01:13:29.486 INFO 4428 — [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet: FrameworkServlet 'dispatcherServlet': initialization completed in 16 ms默认的内嵌容器，为tomcat，，当然这个我们可以随便指定，包括端口号，http访问：

ok，至此，我们一个简单的http应用就开发完毕了，给人的感觉就是简直比用Python的Django和PHP还轻，而且还是我们十分熟悉的JAVA开发，所以与很多其他的JAVA开源项目相结合非常容易，比如Apache Lucene，Solr，Hadoop，Spark，ElasticSearch等，支持很多好处，不言而喻！欢迎大家扫码关注微信公众号：我是攻城师，我们一起学习，进步和交流!（woshigcs） 本公众号的内容是有关搜索和大数据技术和互联网等方面内容的分享，也是一个温馨的技术互动交流的小家园，有什么问题随时都可以留言，欢迎大家来访！

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