Spring Boot入门(第一课,手动创建Spring Boot项目)

项目环境:jdk8,idea2018,maven3.3.9

依赖包:

<parent>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-parent</artifactId>
   <version>2.0.1.RELEASE</version>
</parent>

<dependencies>
    <dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
</dependencies>

新建项目:File==>New==>Project...==》Maven==>选择Project SDK==>Next==>填写GroupID、ArtifactId==》Next==>Finish。

配置pom.xml

写个测试类验证是否搭建成功

package com.jbz.project.simple;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * @author mingjian xu
 * @date 2018-07-30
 * @describe 解释用途
 */
@Controller
@EnableAutoConfiguration
public class SimpleController {

    @RequestMapping("/home")
    @ResponseBody
    String home(){
        return "hello world!";
    }

    public static void main(String[] args) {
        SpringApplication.run(SimpleController.class,args);
        System.out.println("启动成功");
    }
}

右键debug

"C:\Program Files\Java\jdk1.8.0_161\bin\java.exe" -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:53421,suspend=y,server=n -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=53420 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=localhost -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true -javaagent:C:\Users\Administrator\.IntelliJIdea2018.1\system\captureAgent\debugger-agent.jar=file:/C:/Users/Administrator/AppData/Local/Temp/capture4026.props -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_161\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\rt.jar;D:\personlCode\jbz-springboot\target\classes;D:\software\repository\org\springframework\boot\spring-boot-starter-web\2.0.1.RELEASE\spring-boot-starter-web-2.0.1.RELEASE.jar;D:\software\repository\org\springframework\boot\spring-boot-starter\2.0.1.RELEASE\spring-boot-starter-2.0.1.RELEASE.jar;D:\software\repository\org\springframework\boot\spring-boot\2.0.1.RELEASE\spring-boot-2.0.1.RELEASE.jar;D:\software\repository\org\springframework\boot\spring-boot-autoconfigure\2.0.1.RELEASE\spring-boot-autoconfigure-2.0.1.RELEASE.jar;D:\software\repository\org\springframework\boot\spring-boot-starter-logging\2.0.1.RELEASE\spring-boot-starter-logging-2.0.1.RELEASE.jar;D:\software\repository\ch\qos\logback\logback-classic\1.2.3\logback-classic-1.2.3.jar;D:\software\repository\ch\qos\logback\logback-core\1.2.3\logback-core-1.2.3.jar;D:\software\repository\org\slf4j\slf4j-api\1.7.25\slf4j-api-1.7.25.jar;D:\software\repository\org\apache\logging\log4j\log4j-to-slf4j\2.10.0\log4j-to-slf4j-2.10.0.jar;D:\software\repository\org\apache\logging\log4j\log4j-api\2.10.0\log4j-api-2.10.0.jar;D:\software\repository\org\slf4j\jul-to-slf4j\1.7.25\jul-to-slf4j-1.7.25.jar;D:\software\repository\javax\annotation\javax.annotation-api\1.3.2\javax.annotation-api-1.3.2.jar;D:\software\repository\org\springframework\spring-core\5.0.5.RELEASE\spring-core-5.0.5.RELEASE.jar;D:\software\repository\org\springframework\spring-jcl\5.0.5.RELEASE\spring-jcl-5.0.5.RELEASE.jar;D:\software\repository\org\yaml\snakeyaml\1.19\snakeyaml-1.19.jar;D:\software\repository\org\springframework\boot\spring-boot-starter-json\2.0.1.RELEASE\spring-boot-starter-json-2.0.1.RELEASE.jar;D:\software\repository\com\fasterxml\jackson\core\jackson-databind\2.9.5\jackson-databind-2.9.5.jar;D:\software\repository\com\fasterxml\jackson\core\jackson-annotations\2.9.0\jackson-annotations-2.9.0.jar;D:\software\repository\com\fasterxml\jackson\core\jackson-core\2.9.5\jackson-core-2.9.5.jar;D:\software\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.9.5\jackson-datatype-jdk8-2.9.5.jar;D:\software\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.9.5\jackson-datatype-jsr310-2.9.5.jar;D:\software\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.9.5\jackson-module-parameter-names-2.9.5.jar;D:\software\repository\org\springframework\boot\spring-boot-starter-tomcat\2.0.1.RELEASE\spring-boot-starter-tomcat-2.0.1.RELEASE.jar;D:\software\repository\org\apache\tomcat\embed\tomcat-embed-core\8.5.29\tomcat-embed-core-8.5.29.jar;D:\software\repository\org\apache\tomcat\embed\tomcat-embed-el\8.5.29\tomcat-embed-el-8.5.29.jar;D:\software\repository\org\apache\tomcat\embed\tomcat-embed-websocket\8.5.29\tomcat-embed-websocket-8.5.29.jar;D:\software\repository\org\hibernate\validator\hibernate-validator\6.0.9.Final\hibernate-validator-6.0.9.Final.jar;D:\software\repository\javax\validation\validation-api\2.0.1.Final\validation-api-2.0.1.Final.jar;D:\software\repository\org\jboss\logging\jboss-logging\3.3.2.Final\jboss-logging-3.3.2.Final.jar;D:\software\repository\com\fasterxml\classmate\1.3.4\classmate-1.3.4.jar;D:\software\repository\org\springframework\spring-web\5.0.5.RELEASE\spring-web-5.0.5.RELEASE.jar;D:\software\repository\org\springframework\spring-beans\5.0.5.RELEASE\spring-beans-5.0.5.RELEASE.jar;D:\software\repository\org\springframework\spring-webmvc\5.0.5.RELEASE\spring-webmvc-5.0.5.RELEASE.jar;D:\software\repository\org\springframework\spring-aop\5.0.5.RELEASE\spring-aop-5.0.5.RELEASE.jar;D:\software\repository\org\springframework\spring-context\5.0.5.RELEASE\spring-context-5.0.5.RELEASE.jar;D:\software\repository\org\springframework\spring-expression\5.0.5.RELEASE\spring-expression-5.0.5.RELEASE.jar;C:\Program Files\JetBrains\IntelliJ IDEA 2018.1.6\lib\idea_rt.jar" com.jbz.project.simple.SimpleController
Connected to the target VM, address: '127.0.0.1:53421', transport: 'socket'

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v2.0.1.RELEASE)

2018-07-30 12:10:03.455  INFO 7124 --- [           main] com.jbz.project.simple.SimpleController  : Starting SimpleController on W1GKEWTQTGN6XYM with PID 7124 (D:\personlCode\jbz-springboot\target\classes started by Administrator in D:\personlCode\jbz-springboot)
2018-07-30 12:10:03.462  INFO 7124 --- [           main] com.jbz.project.simple.SimpleController  : No active profile set, falling back to default profiles: default
2018-07-30 12:10:03.551  INFO 7124 --- [           main] ConfigServletWebServerApplicationContext : Refreshing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@a37aefe: startup date [Mon Jul 30 12:10:03 CST 2018]; root of context hierarchy
2018-07-30 12:10:05.665  INFO 7124 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8080 (http)
2018-07-30 12:10:05.702  INFO 7124 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2018-07-30 12:10:05.704  INFO 7124 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet Engine: Apache Tomcat/8.5.29
2018-07-30 12:10:05.710  INFO 7124 --- [ost-startStop-1] o.a.catalina.core.AprLifecycleListener   : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [C:\Program Files\Java\jdk1.8.0_161\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\AMD APP\bin\x86_64;C:\Program Files (x86)\AMD APP\bin\x86;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;C:\Program Files\Java\jdk1.7.0_13\bin;C:\Program Files\Java\jdk1.7.0_13\jre\bin;D:\Local\maven\apache-maven-3.0.4\bin;D:\Program Files\nodejs\;D:\Program Files\nodejs\node_global\;C:\Program Files\TortoiseSVN\bin;C:\strawberry\c\bin;C:\strawberry\perl\bin;C:\Program Files\Git\cmd;C:\Program Files\TortoiseGit\bin;D:\Python\Scripts\;D:\Python\;D:\Program Files\nodejs\node_global\;C:\Program Files (x86)\IDM Computer Solutions\UltraEdit\;.]
2018-07-30 12:10:05.844  INFO 7124 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2018-07-30 12:10:05.845  INFO 7124 --- [ost-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 2299 ms
2018-07-30 12:10:06.048  INFO 7124 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean  : Servlet dispatcherServlet mapped to [/]
2018-07-30 12:10:06.055  INFO 7124 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'characterEncodingFilter' to: [/*]
2018-07-30 12:10:06.055  INFO 7124 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2018-07-30 12:10:06.055  INFO 7124 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2018-07-30 12:10:06.055  INFO 7124 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'requestContextFilter' to: [/*]
2018-07-30 12:10:06.218  INFO 7124 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-07-30 12:10:06.537  INFO 7124 --- [           main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@a37aefe: startup date [Mon Jul 30 12:10:03 CST 2018]; root of context hierarchy
2018-07-30 12:10:06.617  INFO 7124 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/home]}" onto java.lang.String com.jbz.project.simple.SimpleController.home()
2018-07-30 12:10:06.623  INFO 7124 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2018-07-30 12:10:06.624  INFO 7124 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2018-07-30 12:10:06.664  INFO 7124 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-07-30 12:10:06.664  INFO 7124 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-07-30 12:10:06.899  INFO 7124 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2018-07-30 12:10:06.960  INFO 7124 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8080 (http) with context path ''
2018-07-30 12:10:06.965  INFO 7124 --- [           main] com.jbz.project.simple.SimpleController  : Started SimpleController in 4.312 seconds (JVM running for 6.273)
启动成功

能看到这个算是搭建成功!

http://localhost:8080/home 看到hellow 算成功。

还有一些配置项,下一篇文章更新

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转载自blog.csdn.net/ming_key/article/details/81282700