maven添加
spring-boot-devtools
允许自动构建
设置里面,搜索compiler,在Build,Execution,Deployment里面勾选Build project automaticlly
idea运行时自动构建
mac:option + command + shift + /
linux:shift+ctrl+alt+/
调出Maintenance,Registery
搜索 compiler.automake.allow.when.app.running,勾选