怎么在Spring boot2X中实现负载均衡和反向代理?针对这个问题,这篇文章详细介绍了相对应的分析和解答,希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。
实现反向代理
1.服务注册发现中心Consul
启动
consul agent -dev
2.服务端
provider和provider1
spring boot 版本 2.2.1.RELEASE
(1)添加依赖
<properties> <java.version>1.8</java.version> <spring-cloud.version>Greenwich.SR3</spring-cloud.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-consul-discovery</artifactId> </dependency> </dependencies> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>${spring-cloud.version}</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement>
(2)配置
server.port=8010 spring.application.name=service-provider spring.cloud.consul.host=localhost spring.cloud.consul.port=8500 spring.cloud.consul.discovery.health-check-path=/actuator/health spring.cloud.consul.discovery.service-name=${spring.application.name} spring.cloud.consul.discovery.heartbeat.enabled=true management.endpoints.web.exposure.include=* management.endpoint.health.show-details=always
(3)测试方法
package com.xyz.provider.controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; @RestController public class demoController { @RequestMapping("/hello") public String Hello(){ return "hello,provider"; } }
(4)启动类
package com.xyz.provider; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.client.discovery.EnableDiscoveryClient; @EnableDiscoveryClient @SpringBootApplication public class ProviderApplication { public static void main(String[] args) { SpringApplication.run(ProviderApplication.class, args); } }
provide1的
server.port=8011
测试方法
package com.xyz.provider1.controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; @RestController public class demoController { @RequestMapping("/hello") public String Hello(){ return "hello,another provider"; } }
3.网关
zuul
Spring boot版本 2.1.8.RELEASE
上面用的Spring boot版本为 2.2.1.RELEASE
但是启动时遇到了报错,因此改成了这个版本
(1)添加依赖
<properties> <java.version>1.8</java.version> <spring-cloud.version>Greenwich.SR2</spring-cloud.version> </properties> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-zuul</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-consul-discovery</artifactId> </dependency> </dependencies> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>${spring-cloud.version}</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement>
(2)添加配置
server.port=8090 spring.application.name=service-zuul spring.cloud.consul.host=localhost spring.cloud.consul.port=8500 spring.cloud.consul.discovery.service-name=${spring.application.name} spring.cloud.consul.discovery.instance-id=${spring.application.name}:${server.port} management.endpoints.web.exposure.include=* management.endpoint.health.show-details=always zuul.routes.api.path=/api/** zuul.routes.api.serviceId=service-provider
(3)启动类
package com.xyz.zuul; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.client.discovery.EnableDiscoveryClient; import org.springframework.cloud.netflix.zuul.EnableZuulProxy; @EnableZuulProxy @SpringBootApplication public class ZuulApplication { public static void main(String[] args) { SpringApplication.run(ZuulApplication.class, args); } }
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