参考官方文档:
创建maven工程
引入依赖
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.example</groupId>
<artifactId>com.shu</artifactId>
<version>1.0-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.4.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
</properties>
</project>
创建主程序
package com.zs.boot;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* 主程序类
* @SpringBootApplication:这是一个SpringBoot应用
*/
@SpringBootApplication
public class MainApplication {
public static void main(String[] args) {
SpringApplication.run(MainApplication.class,args);
}
}
编写业务
package com.zs.boot.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
/*@Controller
@ResponseBody*/
@RestController
public class HelloController {
@RequestMapping("/hello")
public String handle01(){
return "Hello spring boot2";
}
}
直接运行main方法
C:\Java\jdk1.8.0_241\bin\java.exe -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always "-javaagent:C:\IntelliJ IDEA 2021.1.1\lib\idea_rt.jar=12964:C:\IntelliJ IDEA 2021.1.1\bin" -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true -Dfile.encoding=UTF-8 -classpath C:\Java\jdk1.8.0_241\jre\lib\charsets.jar;C:\Java\jdk1.8.0_241\jre\lib\deploy.jar;C:\Java\jdk1.8.0_241\jre\lib\ext\access-bridge-64.jar;C:\Java\jdk1.8.0_241\jre\lib\ext\cldrdata.jar;C:\Java\jdk1.8.0_241\jre\lib\ext\dnsns.jar;C:\Java\jdk1.8.0_241\jre\lib\ext\jaccess.jar;C:\Java\jdk1.8.0_241\jre\lib\ext\jfxrt.jar;C:\Java\jdk1.8.0_241\jre\lib\ext\localedata.jar;C:\Java\jdk1.8.0_241\jre\lib\ext\nashorn.jar;C:\Java\jdk1.8.0_241\jre\lib\ext\sunec.jar;C:\Java\jdk1.8.0_241\jre\lib\ext\sunjce_provider.jar;C:\Java\jdk1.8.0_241\jre\lib\ext\sunmscapi.jar;C:\Java\jdk1.8.0_241\jre\lib\ext\sunpkcs11.jar;C:\Java\jdk1.8.0_241\jre\lib\ext\zipfs.jar;C:\Java\jdk1.8.0_241\jre\lib\javaws.jar;C:\Java\jdk1.8.0_241\jre\lib\jce.jar;C:\Java\jdk1.8.0_241\jre\lib\jfr.jar;C:\Java\jdk1.8.0_241\jre\lib\jfxswt.jar;C:\Java\jdk1.8.0_241\jre\lib\jsse.jar;C:\Java\jdk1.8.0_241\jre\lib\management-agent.jar;C:\Java\jdk1.8.0_241\jre\lib\plugin.jar;C:\Java\jdk1.8.0_241\jre\lib\resources.jar;C:\Java\jdk1.8.0_241\jre\lib\rt.jar;D:\com.shu\target\classes;D:\repository\org\springframework\boot\spring-boot-starter-web\2.3.4.RELEASE\spring-boot-starter-web-2.3.4.RELEASE.jar;D:\repository\org\springframework\boot\spring-boot-starter\2.3.4.RELEASE\spring-boot-starter-2.3.4.RELEASE.jar;D:\repository\org\springframework\boot\spring-boot\2.3.4.RELEASE\spring-boot-2.3.4.RELEASE.jar;D:\repository\org\springframework\boot\spring-boot-autoconfigure\2.3.4.RELEASE\spring-boot-autoconfigure-2.3.4.RELEASE.jar;D:\repository\org\springframework\boot\spring-boot-starter-logging\2.3.4.RELEASE\spring-boot-starter-logging-2.3.4.RELEASE.jar;D:\repository\ch\qos\logback\logback-classic\1.2.3\logback-classic-1.2.3.jar;D:\repository\ch\qos\logback\logback-core\1.2.3\logback-core-1.2.3.jar;D:\repository\org\slf4j\slf4j-api\1.7.30\slf4j-api-1.7.30.jar;D:\repository\org\apache\logging\log4j\log4j-to-slf4j\2.13.3\log4j-to-slf4j-2.13.3.jar;D:\repository\org\apache\logging\log4j\log4j-api\2.13.3\log4j-api-2.13.3.jar;D:\repository\org\slf4j\jul-to-slf4j\1.7.30\jul-to-slf4j-1.7.30.jar;D:\repository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;D:\repository\org\springframework\spring-core\5.2.9.RELEASE\spring-core-5.2.9.RELEASE.jar;D:\repository\org\springframework\spring-jcl\5.2.9.RELEASE\spring-jcl-5.2.9.RELEASE.jar;D:\repository\org\yaml\snakeyaml\1.26\snakeyaml-1.26.jar;D:\repository\org\springframework\boot\spring-boot-starter-json\2.3.4.RELEASE\spring-boot-starter-json-2.3.4.RELEASE.jar;D:\repository\com\fasterxml\jackson\core\jackson-databind\2.11.2\jackson-databind-2.11.2.jar;D:\repository\com\fasterxml\jackson\core\jackson-annotations\2.11.2\jackson-annotations-2.11.2.jar;D:\repository\com\fasterxml\jackson\core\jackson-core\2.11.2\jackson-core-2.11.2.jar;D:\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.11.2\jackson-datatype-jdk8-2.11.2.jar;D:\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.11.2\jackson-datatype-jsr310-2.11.2.jar;D:\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.11.2\jackson-module-parameter-names-2.11.2.jar;D:\repository\org\springframework\boot\spring-boot-starter-tomcat\2.3.4.RELEASE\spring-boot-starter-tomcat-2.3.4.RELEASE.jar;D:\repository\org\apache\tomcat\embed\tomcat-embed-core\9.0.38\tomcat-embed-core-9.0.38.jar;D:\repository\org\glassfish\jakarta.el\3.0.3\jakarta.el-3.0.3.jar;D:\repository\org\apache\tomcat\embed\tomcat-embed-websocket\9.0.38\tomcat-embed-websocket-9.0.38.jar;D:\repository\org\springframework\spring-web\5.2.9.RELEASE\spring-web-5.2.9.RELEASE.jar;D:\repository\org\springframework\spring-beans\5.2.9.RELEASE\spring-beans-5.2.9.RELEASE.jar;D:\repository\org\springframework\spring-webmvc\5.2.9.RELEASE\spring-webmvc-5.2.9.RELEASE.jar;D:\repository\org\springframework\spring-aop\5.2.9.RELEASE\spring-aop-5.2.9.RELEASE.jar;D:\repository\org\springframework\spring-context\5.2.9.RELEASE\spring-context-5.2.9.RELEASE.jar;D:\repository\org\springframework\spring-expression\5.2.9.RELEASE\spring-expression-5.2.9.RELEASE.jar com.zs.boot.MainApplication
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.3.4.RELEASE)
2021-11-01 22:23:07.326 INFO 7008 --- [ main] com.zs.boot.MainApplication : Starting MainApplication on ZHOU-PC with PID 7008 (D:\com.shu\target\classes started by ZHOU in D:\com.shu)
2021-11-01 22:23:07.339 INFO 7008 --- [ main] com.zs.boot.MainApplication : No active profile set, falling back to default profiles: default
2021-11-01 22:23:10.969 INFO 7008 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2021-11-01 22:23:10.996 INFO 7008 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2021-11-01 22:23:10.997 INFO 7008 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.38]
2021-11-01 22:23:11.243 INFO 7008 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2021-11-01 22:23:11.243 INFO 7008 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 3518 ms
2021-11-01 22:23:11.834 INFO 7008 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2021-11-01 22:23:12.457 INFO 7008 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
2021-11-01 22:23:12.519 INFO 7008 --- [ main] com.zs.boot.MainApplication : Started MainApplication in 7.153 seconds (JVM running for 16.251)
浏览器访问
简化配置
以后所有的配置都可以在这里写,例如:端口号修改为8888
简化部署
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
打jar包