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 [INFO]
21 [INFO] --- maven-compiler-plugin:3.8.1:testCompile (default-testCompile) @ springboot-01 ---
22 [INFO] Not compiling test sources
23 [INFO]
24 [INFO] <<< spring-boot-maven-plugin:2.3.4.RELEASE:run (default-cli) < test-compile @ springboot-01 <<<
25 [INFO]
26 [INFO]
27 [INFO] --- spring-boot-maven-plugin:2.3.4.RELEASE:run (default-cli) @ springboot-01 ---
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90 [INFO] Attaching agents: []
91
92 . ____ _ __ _ _
93 /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
94 ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
95 \\/ ___)| |_)| | | | | || (_| | ) ) ) )
96 ' |____| .__|_| |_|_| |_\__, | / / / /
97 =========|_|==============|___/=/_/_/_/
98 :: Spring Boot :: (v2.3.4.RELEASE)
99
100 2020-10-24 11:53:18.219 INFO 10196 --- [ main] com.bie.Springboot01Application : Starting Springboot01Application on DESKTOP-V37QSSE with PID 10196 (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。