理论知识 = 面试时候的谈资,而SpringCloud最大的资本

我不知道大家有没有遇到过,很多面试官上来就是谈谈你对分布式的理解,接着就是什么是微服务,再接着就是SpringCloud用过?能不能谈一谈,同一个坑我踩了好多次,面试的时候总是祈祷不要来这些了,然而上天从来没有把我的祷告听进去,那也好,就来学一波吧!最好的理解就是自己玩一下这个框架!

由于时间关系快1点了,我先暂时编辑写一个注册中心的搭建,底下每天我写一些,一是相当于笔记,二是希望有人给我提建议。

我先谈一谈搭建springboot+springcloud这个框架:

1.首先搭建一个搭建一个注册中心euerka(这边没坑非常简单)

(1) pom.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-parent</artifactId>
      <version>2.1.6.RELEASE</version>
      <relativePath/> <!-- lookup parent from repository -->
   </parent>
   <groupId>com.rhkj</groupId>
   <artifactId>yun</artifactId>
   <version>0.0.1-SNAPSHOT</version>
   <name>yun</name>
   <description>Demo project for Spring Boot</description>

   <properties>
      <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
      <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
      <java.version>1.8</java.version>
      <spring-cloud.version>Finchley.RELEASE</spring-cloud.version>
   </properties>
   <dependencies>
      <dependency>
         <groupId>org.springframework.cloud</groupId>
         <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
      </dependency>
      <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-test</artifactId>
         <scope>test</scope>
      </dependency>
<dependencyManagement>
   <dependencies>
      <dependency>
         <groupId>org.springframework.cloud</groupId>
         <artifactId>spring-cloud-dependencies</artifactId>
         <version>${spring-cloud.version}</version>
         <type>pom</type>
         <scope>import</scope>
      </dependency>
   </dependencies>
</dependencyManagement>
<build>
   <plugins>
      <plugin>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-maven-plugin</artifactId>
      </plugin>
   </plugins>
</build>

(2)application-dev.properties

server.port=8081
eureka.instance.hostname=localhost
eureka.instance.client.registerWithEureka=false
eureka.instance.client.fetchRegistry=false
eureka.instance.client.serviceUrl.defaultZone=http://${eureka.instance.hostname}:${server.port}/eureka/
spring.application.name= demo-eureka

(3)eurekaApplication

@EnableEurekaServer
@SpringBootApplication
public class YunApplication {
   public static void main(String[] args) {
      SpringApplication.run(YunApplication.class, args);
   }

}
4. 启动YunApplication,浏览器输入http://localhost:8081/,显示如下证明euerka搭建成功

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