1.springboot项目添加依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
<scope>runtime</scope>
</dependency>
2.设置idea
![springboot idea 热部署 springboot idea 热部署](/default/index/img?u=aHR0cHM6Ly9waWFuc2hlbi5jb20vaW1hZ2VzLzQ5NC84YmM1MGY3NDJlZjA3YzIzY2U0OTcwOWQ2Mjg4OWEyZS5KUEVH)
3.设置idea
![springboot idea 热部署 springboot idea 热部署](/default/index/img?u=aHR0cHM6Ly9waWFuc2hlbi5jb20vaW1hZ2VzLzE4OC8yZGJiMjFiZDEwNzhhMDI5NWY3Y2MyNWU2YzhhMTY1Yy5KUEVH)
勾选:compiler.automake.allow.when.app.running
![springboot idea 热部署 springboot idea 热部署](/default/index/img?u=aHR0cHM6Ly9waWFuc2hlbi5jb20vaW1hZ2VzLzg5LzVjOTI3NTNiODYyNTg2MGM3YmMzYmVjM2E0MTQ1NzU5LkpQRUc=)
4.设置浏览器不缓存 js
F12,打开控制台,然后,F1 ,打开控制台 设置。找到 Network
![springboot idea 热部署 springboot idea 热部署](/default/index/img?u=aHR0cHM6Ly9waWFuc2hlbi5jb20vaW1hZ2VzLzk1Ni82ODU2ZjYyMzQxMGY3OTY1Mzg1N2YxZDUzNGFkOTAwYy5wbmc=)