Fri Jun 18
原理:观察者模式spring的事件监听有三个部分组成,事件(ApplicationEvent)、监听器(ApplicationListener)和事件发布操作。事件事件类需要继承ApplicationEvent,代码如下:public class HelloEvent extends Applica
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SpringBoot项目中的parent(1)

<parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <ve

LINUX安装nginx详细步骤

1.安装依赖包//一键安装上面四个依赖yum -y install gcc zlib zlib-devel pcre-devel openssl openssl-devel2.下载并解压安装包//创建一个文件夹cd /usr/local mkdir nginxcd nginx//下载tar包wge
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