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新建Maven项目
注意archetype选择quickstart
pom.xml
修改App.java
App.java同级目录新增controller包
HelloController.java
package org.example.controller; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; @RestController @RequestMapping("hello") public class HelloController { @GetMapping("/show") public String sayHello(){ return "helloworld"; } }
启动服务
浏览器输入
http://localhost:8080/hello/show