spring-boot 热替换(hot swapping)

文档相关内容:https://docs.spring.io/spring-boot/docs/current/reference/html/using-boot-devtools.html

pom中引入如下依赖:


	
		org.springframework.boot
		spring-boot-devtools
		true
	

注意事项:

Triggering a restart

As DevTools monitors classpath resources, the only way to trigger a restart is to update the classpath. The way in which you cause the classpath to be updated depends on the IDE that you are using. In Eclipse, saving a modified file causes the classpath to be updated and triggers a restart. In IntelliJ IDEA, building the project (Build -> Build Project) has the same effect.

在eclipse里保存代码会触发代码构件和tomcat的自动重启,在idea里代码是自动保存的,需要点击build->build project才能触发tomcat自动重启

添加例外

默认情况下,这些目录里的文件变更不会触发重启:

/META-INF/maven, /META-INF/resources, /resources, /static, /public, /templates

如果想修改这些默认设置:

spring.devtools.restart.exclude=static/**,public/**

如果想在默认设置上追加例外设置,使用如下属性:

spring.devtools.restart.additional-exclude

默认情况下,只有classpath下的文件变更才会触发重启,如果想增加额外目录,使用:

spring.devtools.restart.additional-paths

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