SpringCloud簡單的項目搭建及運行


一,搭建框架之Eureka-server

  1.打開idea,新建一個空項目,點擊下一步

 

 

 2.選擇通過spring Initialize 構建項目module,點擊Next

 

 

3.  填寫好項目名稱和包名 直接點擊下一步

 

4. 選擇Cloud Discovery 中的Eureka Server 選項,目的自動在pom 文件中 自動引入eureka server 的依賴,然后直接點擊Next,再點擊Finish 就可以完成項目的創建 

 

 5.添加maven依賴,基本的pom.xml配置信息如下

<?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 https://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>2.2.6.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>eureka</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>eureka</name>
<description>Demo project for Spring Boot</description>

<properties>
<java.version>1.8</java.version>
<spring-cloud.version>Hoxton.SR3</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>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>

<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>

</project>
6.配置yml文件(生成的是application.properties文件,可以shift+F6改

  server:
   port: 8761 #修改端口號
  eureka:
   instance:
    hostname: eureka-server #eureka服務端起個名字
  client:
  #由於自己就是服務器,不需要注冊到自己
   registerWithEureka: false
  #由於自己就是服務器,不需要注冊到自己
     fetchRegistry: false
          serviceUrl:
    #注冊中心的地址
              defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/

 

 

 

 

 

7.啟動類加注解@EnableEurekaServer

 

 8.啟動項目 訪問http: //localhost:8071

 

 

 

 

二,搭建框架之Eureka-Client

 1.和eureka的第一步相同,(我是分成兩個建立的)

 2.選擇通過spring Initialize 構建項目module,點擊Next(前面和eureka步驟一樣)

 

 

 

 3.pom文件如下:

<?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 https://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>2.2.6.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>client</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>client</name>
<description>Demo project for Spring Boot</description>

<properties>
<java.version>1.8</java.version>
<spring-cloud.version>Hoxton.SR3</spring-cloud.version>
</properties>

<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>2.2.5.RELEASE</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>

<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>

</project>

 4.配置application.yml文件

    #設置端口號

       server:

   port:8070

    #設置服務的名稱
  spring:
   application:
    name: client001

   #往eureka_service端注冊的地址
  eureka:
   client:
    serviceUrl:
     defaultZone: http://localhost:8761/eureka/

 

 

   5.在啟動類加注解@EnableEurekaClient

//注冊中心為eureka的話 推薦用EnableEurekaClient 其他的注冊中心用EnabeDiscoveryClient

 

 

    5.先啟動eureka-server,再啟動client,訪問http://localhost:8071

完成


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