1、如果Eclipse安装了Eclipse-STS插件，Eclipse-STS（Spring Source Tool）插件，那么可以直接使用该插件运行Springboot项目，直接右击main方法，找到运行即可，如下所示：
2、如果Eclipse软件工具中没有安装STS开发插件，也可以通过Maven的方式运行。直接输入spring-boot:run，就可以启动SpringBoot项目了，如下所示：
在Goals里面输入spring-boot:run，然后勾选Skip Tests即可，然后点击Apply，最后点击Run运行即可:
使用Maven的maven build来运行，控制台打印日志，如下所示：
1 [INFO] Scanning for projects... 2 [INFO] 3 [INFO] -----------------------< com.bie:springboot-01 >------------------------ 4 [INFO] Building springboot-01 0.0.1-SNAPSHOT 5 [INFO] --------------------------------[ jar ]--------------------------------- 6 [INFO] 7 [INFO] >>> spring-boot-maven-plugin:2.3.4.RELEASE:run (default-cli) > test-compile @ springboot-01 >>> 8 [INFO] 9 [INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ springboot-01 --- 10 [INFO] Using ‘UTF-8‘ encoding to copy filtered resources. 11 [INFO] Copying 1 resource 12 [INFO] Copying 0 resource 13 [INFO] 14 [INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ springboot-01 --- 15 [INFO] Changes detected - recompiling the module! 16 [INFO] Compiling 2 source files to E:\eclipse\eclipse\workspace_springboot\springboot-01\target\classes 17 [INFO] 18 [INFO] --- maven-resources-plugin:3.1.0:testResources (default-testResources) @ springboot-01 --- 19 [INFO] Not copying test resources 20 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(E:\eclipse\eclipse\workspace_springboot\springboot-01\target\classes started by biehl in E:\eclipse\eclipse\workspace_springboot\springboot-01) 101 2020-10-24 11:53:18.221 INFO 10196 --- [ main] com.bie.Springboot01Application : No active profile set, falling back to default profiles: default 102 2020-10-24 11:53:19.608 INFO 10196 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http) 103 2020-10-24 11:53:19.617 INFO 10196 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat] 104 2020-10-24 11:53:19.617 INFO 10196 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.38] 105 2020-10-24 11:53:19.666 INFO 10196 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext 106 2020-10-24 11:53:19.667 INFO 10196 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1412 ms 107 2020-10-24 11:53:19.782 INFO 10196 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService ‘applicationTaskExecutor‘ 108 2020-10-24 11:53:19.898 INFO 10196 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ‘‘ 109 2020-10-24 11:53:19.907 INFO 10196 --- [ main] com.bie.Springboot01Application : Started Springboot01Application in 1.968 seconds (JVM running for 2.275)
注意：当使用Eclipse-STS建立了SpringBoot项目时，会在项目后面标记 [boot] 的提示信息。
SpringBoot自带Tomcat容器，所以项目启动后通过浏览器输入http://localhost:8080，就可以直接访问控制器返回的信息。最后加上自己的控制层请求路径即可访问到方法返回信息。
原文：https://www.cnblogs.com/biehongli/p/13868287.html