Eclipse搭建SpringBoot（从零开始

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奇技淫巧：在spring官网上下载历史版本的spring插件，springsource-tool-suite_吴小破的博客-CSDN博客

• 安装路径不要有中文（如：D:Javajdk-17.0.1；D:Springapache-maven-3.8.3）
• 注意版本匹配

控制面板系统和安全系统，高级系统设置~高级~环境变量

JAVA_HOME:D:Javajdk-17.0.1

M2_HOME:D:Springapache-maven-3.8.3

MAVEN_HOME:D:Springapache-maven-3.8.3

Path:%JAVA_HOME%bin;%JAVA_HOME%jrebin;

classpath: .;%JAVA_HOME%libdt.jar;%JAVA_HOME%libtools.jar;

• cmd输入java -version mvn -version，若显示详细信息，则配置成功

D:Springapache-maven-3.8.3conf，以notepad++打开setting.xml

替换为：（注意D:SpringMaven须变换）

  
D:SpringMaven

  

  

  
  
    
  

  
  
    
  

  
  
    

    
  

  
   
    
      alimaven
      aliyun maven
      http://maven.aliyun.com/nexus/content/groups/public/
      central        
    
  
    

  
  
    

    
  

  

help>Install new software>add

Eclipse中搭建SpringBoot项目，使用sts（springsource-tool-suite）插件_千里之行，始于足下！-CSDN博客

windows>preferences

• 出现Spring即为安装成功

Eclipse搭建SpringBoot之HelloWorld_天堂地址不详-CSDN博客

File>new>ther>starter web

新建一个Controller

package com.example.demo;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {

    @RequestMapping("/")
    public String hello(){
        return "Welcome to start SpringBoot!";
    }
}

run:spring boot app

http://localhost:8080/

SpringBoot报错：Web server failed to start. Port 8080 was already in use._陈暗暗的博客-CSDN博客