Java中idea的配置和使用

idea的下载：

IntelliJ IDEA: The Capable & Ergonomic Java IDE by JetBrains

IDEA完整安装教程

IDEA完整安装教程_肥常忧伤的博客-CSDN博客_idea安装教程

2、怎么在Eclipse里安装配置Maven插件？

https://jingyan.baidu.com/article/27fa7326c5f8b707f8271fe0.html

IDEA配置MAVEN超详细

https://www.jianshu.com/p/5a3896f55fc5

第一个Spring 程序

pop.xml

    4.0.0

    com.zxw
    course-6-1
    1.0-SNAPSHOT
    
        org.springframework.boot
        spring-boot-starter-parent
        2.0.5.RELEASE
    
    
        8
        8
        UTF-8
    
    
        
            org.springframework.boot
            spring-boot-starter-web
        

    

启动类AppApplication

package org.example;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class AppApplication {
    public static void main(String[] args){
        SpringApplication.run(AppApplication.class,args);

    }
}

HelloController

package org.example.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
@RequestMapping("/hello")
public class HelloController {
    @GetMapping("/test1")
    @ResponseBody
    public String test1(){
        return "test1";

    }

}

application.properties

server.port=8083

maven仓库地址

https://mvnrepository.com/artifact/org.springframework/spring-core/5.3.23