mybatis-plus 在 idea 中的使用

package com.zyy0521.controller; import com.zyy0521.entity.User; import com.zyy0521.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import java.util.List; @RestController public class HelloController { @GetMapping public String hello() { return "Hello zyy";} @Autowired private UserService userService; @GetMapping("list") public List<User> list(){ return userService.listAll(); } }