SpringCloud中Eureka使用

淩亂°似流年 2023-07-01 06:30 15阅读 0赞

### SpringCloud中Eureka使用 ###

*  Eureka服务端注册
 *   *  pom.xml文件修改
     *  application.yml文件修改
     *  启动文件修改
     *  访问Eureka管理界面 http://localhost:8761/
 *  Eureka客户端注册
 *   *  pom.xml文件修改
     *  application.yml文件修改
     *  启动文件修改
     *  启动两个客户端后访问Eureka管理界面发现注册成功

# Eureka服务端注册 #

## pom.xml文件修改 ##

<dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Greenwich.SR3</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

<dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
        <version>2.1.1.RELEASE</version>
    </dependency>

## application.yml文件修改 ##

server:
      port: 8761
    
    eureka:
      client:
        register-with-eureka: false
        fetch-registry: false
        service-url:
          defaultZone: http://localhost:8761/eureka/

## 启动文件修改 ##

import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
    import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
    
    @EnableEurekaServer
    @SpringBootApplication(exclude= { DataSourceAutoConfiguration.class})
    public class App { 
    
        public static void main(String[] args) { 
            SpringApplication.run(App.class, args);
        }
    }

## 访问Eureka管理界面 http://localhost:8761/ ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTY5MzU4_size_16_color_FFFFFF_t_70]

# Eureka客户端注册 #

## pom.xml文件修改 ##

<dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        <version>2.1.1.RELEASE</version>
    </dependency>

## application.yml文件修改 ##

server:
      port: 8090
      servlet:
        context-path: /beyond
    
    eureka:
      client:
        service-url:
          defaultZone: http://localhost:8761/eureka/
      instance:
        prefer-ip-address: true
    
    spring:
        application:
            name: beyond
    
    mybatis:
      mapper-locations: classpath*:mapping/*.xml

## 启动文件修改 ##

import org.mybatis.spring.annotation.MapperScan;
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.boot.builder.SpringApplicationBuilder;
    import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    import org.springframework.transaction.annotation.EnableTransactionManagement;
    import springfox.documentation.swagger2.annotations.EnableSwagger2;
    
    @EnableDiscoveryClient
    @SpringBootApplication
    //注解@EnableDiscoveryClient，声明这是一个Eureka Client。@SpringBootApplication
    @EnableTransactionManagement
    @EnableSwagger2
    @MapperScan("beyond.mapper")
    public class App extends SpringBootServletInitializer { 
    
        @Override
        protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) { 
            return builder.sources(App.class);
        }
    
        public static void main(String[] args) { 
            //启动类
            //定制化
            SpringApplication.run(App.class, args);
        }
    }

## 启动两个客户端后访问Eureka管理界面发现注册成功 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTY5MzU4_size_16_color_FFFFFF_t_70 1]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTY5MzU4_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20200119173710590.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTY5MzU4,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTY5MzU4_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20200119180009322.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTY5MzU4,size_16,color_FFFFFF,t_70