基于SpringBoot，Spring Cloud的微服务框架，整合Gateway、Config、Ribbon、Hystrix、Eureka、OpenFeign 项目路径必要环境软件&版本&插件 项目结构模块说明 服务启动顺序具体实现关键服务pom父pomcommon pomgateway pomconfig pomeureka pom 实现EUREKA注册中心启动类配置文件（eureka服务不使用配置中心服务）启动EUREKA服务 实现CONFIG配置中心启动类配置文件启动CONFIG服务 实现GATEWAY网关服务启动类GATEWAY配置类GATEWAY配置文件启动GATEWAY服务 分别启动FALLBACK、MAINTAIN、WEBSOCKET服务这三个服务没啥特别，配置文件和GATEWAY一样，读取对应的配置文件就好调用GATEWAY对应路由规则的MAINTAIN服务提供的接口测试 最后启动ADMIN服务启动类访问 127.0.0.1:8887 测试 OpenFeign示例WEBSOCKET服务接口MAINTAIN调用WEBSOCKET接口 总结
项目路径
GitHub路径：https://github.com/wuyue930912/cloud-pet-hub.git Coding路径：https://e.coding.net/pethub/hub/pet-hub.git
必要环境
软件&版本&插件
项目结构
模块说明
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具体实现
关键服务pom
父pom <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://·piler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-validator</artifactId> <version>5.4.1.Final</version> </dependency> <dependency> <groupId>javax.validation</groupId> <artifactId>validation-api</artifactId> <version>1.1.0.Final</version> </dependency> <!--数据库驱动--> <dependency> <groupId>org.mariadb.jdbc</groupId> <artifactId>mariadb-java-client</artifactId> <version>2.7.3</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.2.8</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jdbc</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId> <exclusions> <exclusion> <groupId>com.sun.jersey</groupId> <artifactId>jersey-client</artifactId> </exclusion> <exclusion> <groupId>com.sun.jersey</groupId> <artifactId>jersey-core</artifactId> </exclusion> <exclusion> <groupId>com.sun.jersey.contribs</groupId> <artifactId>jersey-apache-client4</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-openfeign</artifactId> </dependency> </dependencies> </project>
gateway pom <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://·piler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-openfeign</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-gateway</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-ribbon</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-hystrix</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-config-client</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId> <exclusions> <exclusion> <groupId>com.sun.jersey</groupId> <artifactId>jersey-client</artifactId> </exclusion> <exclusion> <groupId>com.sun.jersey</groupId> <artifactId>jersey-core</artifactId> </exclusion> <exclusion> <groupId>com.sun.jersey.contribs</groupId> <artifactId>jersey-apache-client4</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>de.codecentric</groupId> <artifactId>spring-boot-admin-starter-client</artifactId> <version>2.2.4</version> </dependency> </dependencies> <build> <resources> <resource> <directory>src/main/resources</directory> <filtering>true</filtering> <excludes> <exclude>application.yml</exclude> <exclude>application-dev.yml</exclude> <exclude>application-prod.yml</exclude> </excludes> </resource> <resource> <directory>src/main/resources</directory> <filtering>true</filtering> <!-- 打包时所包含得文件 --> <includes> <include>application.yml</include> <include>application-${profileActive}.yml</include> </includes> </resource> </resources> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
config pom <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://·piler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>com.pet</groupId> <artifactId>common</artifactId> <version>1.0-SNAPSHOT</version> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-config-server</artifactId> </dependency> <dependency> <groupId>de.codecentric</groupId> <artifactId>spring-boot-admin-starter-client</artifactId> <version>2.2.4</version> </dependency> </dependencies> <build> <resources> <resource> <directory>src/main/resources</directory> <filtering>true</filtering> <excludes> <exclude>application.yml</exclude> <exclude>application-dev.yml</exclude> <exclude>application-prod.yml</exclude> </excludes> </resource> <resource> <directory>src/main/resources</directory> <filtering>true</filtering> <!-- 打包时所包含得文件 --> <includes> <include>application.yml</include> <include>application-${profileActive}.yml</include> </includes> </resource> </resources> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
eureka pom <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://·piler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> <dependencies> <!--eureka的服务端 --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId> </dependency> <dependency> <groupId>de.codecentric</groupId> <artifactId>spring-boot-admin-starter-client</artifactId> <version>2.2.4</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId> </dependency> </dependencies> <build> <resources> <resource> <directory>src/main/resources</directory> <filtering>true</filtering> <excludes> <exclude>application.yml</exclude> <exclude>application-dev.yml</exclude> <exclude>application-prod.yml</exclude> </excludes> </resource> <resource> <directory>src/main/resources</directory> <filtering>true</filtering> <!-- 打包时所包含得文件 --> <includes> <include>application.yml</include> <include>application-${profileActive}.yml</include> </includes> </resource> </resources> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
实现EUREKA注册中心
启动类 package com.pet; import lombok.extern.slf4j.Slf4j; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer; import org.springframework.security.config.annotation.web.builders.HttpSecurity; import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity; import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter; @SpringBootApplication @EnableEurekaServer @Slf4j public class EurekaStarter { public static void main(String[] args) { SpringApplication.run(EurekaStarter.class, args); log.info("start running eureka server : 【{}】", "http://127.0.0.1:8888"); } @EnableWebSecurity static class WebSecurityConfig extends WebSecurityConfigurerAdapter { @Override protected void configure(HttpSecurity http) throws Exception { http.csrf().ignoringAntMatchers("/eureka/**"); super.configure(http); } } }
配置文件（eureka服务不使用配置中心服务） server: port: 8888 logging: file: path: D:\\LOG eureka: instance: hostname: 127.0.0.1 client: register-with-eureka: false fetch-registry: false service-url: defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka server: eviction-interval-timer-in-ms: 6000 wait-time-in-ms-when-sync-empty: 6000 enable-self-preservation: true management: endpoints: web: exposure: include: "*" endpoint: health: show-details: ALWAYS spring: application: name: eureka security: user: name: eureka password: 设置EUREKA登录密码 roles: SUPERUSER jackson: date-format: yyyy-MM-dd HH:mm:ss time-zone: GMT+8
启动EUREKA服务
启动成功访问 ip:8888端口出现下面页面说明配置成功。
实现CONFIG配置中心启动类 package com.pet; import lombok.extern.slf4j.Slf4j; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.config.server.EnableConfigServer; import org.springframework.cloud.netflix.eureka.EnableEurekaClient; @SpringBootApplication @EnableEurekaClient @EnableConfigServer @Slf4j public class ConfigStarter { public static void main(String[] args) { SpringApplication.run(ConfigStarter.class, args); log.info("start running config server"); } }
配置文件 server: port: 8887 max-http-header-size: 20480 servlet: session: timeout: PT30M logging: file: path: D:\\LOG management: endpoints: web: exposure: include: "*" endpoint: health: show-details: ALWAYS eureka: client: register-with-eureka: true fetch-registry: true service-url: defaultZone: http://EUREKA账号:EUREKA密码@127.0.0.1:8888/eureka instance: prefer-ip-address: true ip-address: 127.0.0.1 instance-id: 127.0.0.1:${spring.application.name}:${server.port} feign: hystrix: enabled: true spring: cloud: config: server: git: uri: https://e.coding.net/pethub/hub/pet-hub.git ## git路径 username: git用户名 password: git密码 search-paths: base/script/config/application-* ## 配置文件存放具体路径 default-label: master ## 指定分支 application: name: config jackson: date-format: yyyy-MM-dd HH:mm:ss time-zone: GMT+8 datasource: url: jdbc:mariadb://127.0.0.1:3306/pet_hub?characterEncoding=utf-8&useSSL=false&useTimezone=true&serverTimezone=GMT%2B8 driver-class-name: org.mariadb.jdbc.Driver username: root password: 数据库密码 type: com.alibaba.druid.pool.DruidDataSource initialSize: 5 minIdle: 5 maxActive: 20 maxWait: 60000 timeBetweenEvictionRunsMillis: 60000 minEvictableIdleTimeMillis: 300000 validationQuery: SELECT 1 FROM DUAL testWhileIdle: true testOnBorrow: false testOnReturn: false poolPreparedStatements: true jpa: database-platform: org.hibernate.dialect.MySQL5InnoDBDialect database: MYSQL show-sql: true open-in-view: false servlet: multipart: enabled: true max-file-size: 10MB max-request-size: 10MB # REDIS 配置 redis: database: 0 host: 127.0.0.1 port: 6379 password: timeout: 6000 jedis: pool: max-active: 8 max-wait: -1 max-idle: 10 min-idle: 2
启动CONFIG服务
启动成功后，通过postman调用 127.0.0.1:8887/{服务名}/{版本号}接口，查看是否成功（第一次调用可能会比较慢，泡壶茶水儿，等一会儿~ 😄）。
出现下面响应，说明配置成功。
实现GATEWAY网关服务启动类 package com.pet; import lombok.extern.slf4j.Slf4j; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.client.discovery.EnableDiscoveryClient; @EnableDiscoveryClient @SpringBootApplication @Slf4j public class GatewayStarter { public static void main(String[] args) { SpringApplication.run(GatewayStarter.class, args); log.info("start running gateway server : 【{}】", "http://127.0.0.1"); } }
GATEWAY配置类 package com.pet.config; import org.springframework.cloud.client.loadbalancer.LoadBalanced; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.http.client.ClientHttpRequestFactory; import org.springframework.http.client.HttpComponentsClientHttpRequestFactory; import org.springframework.http.converter.StringHttpMessageConverter; import org.springframework.web.client.RestTemplate; import java.nio.charset.StandardCharsets; @Configuration public class GatewayConfig { @Bean @LoadBalanced public RestTemplate restTemplate(ClientHttpRequestFactory factory) { RestTemplate restTemplate = new RestTemplate(factory); // 支持中文编码 restTemplate.getMessageConverters().set(1, new StringHttpMessageConverter(StandardCharsets.UTF_8)); return restTemplate; } @Bean public ClientHttpRequestFactory simpleClientHttpRequestFactory() { HttpComponentsClientHttpRequestFactory httpRequestFactory = new HttpComponentsClientHttpRequestFactory(); httpRequestFactory.setReadTimeout(5000);// 单位为ms httpRequestFactory.setConnectTimeout(5000);// 单位为ms return httpRequestFactory; } }
GATEWAY配置文件
后面的服务通过CONFIG配置中心读取配置文件！此时配置文件名为bootstrap.yml！ application.yml中啥也没有！
bootstrap.yml
server: port: 80 spring: application: name: gateway cloud: config: uri: http://localhost:8887 label: master name: gateway profile: dev discovery: enabled: true service-id: config fail-fast: true eureka: client: register-with-eureka: true fetch-registry: true service-url: defaultZone: http://EUREKA用户名:EUREKA密码@127.0.0.1:8888/eureka instance: prefer-ip-address: true ip-address: 127.0.0.1 instance-id: 127.0.0.1:${spring.application.name}:${server.port}真正读取的配置文件：
server: port: 80 logging: file: path: D:\\LOG eureka: client: register-with-eureka: true fetch-registry: true service-url: defaultZone: http://EUREKA账号:EUREKA密码@127.0.0.1:8888/eureka instance: prefer-ip-address: true ip-address: 127.0.0.1 instance-id: 127.0.0.1:${spring.application.name}:${server.port} management: endpoints: web: exposure: include: "*" endpoint: health: show-details: ALWAYS spring: application: name: gateway jackson: date-format: yyyy-MM-dd HH:mm:ss time-zone: GMT+8 cloud: gateway: routes: # maintain服务路由 - id: maintain uri: lb://maintain predicates: - Path=/maintain/** filters: - StripPrefix=1 - name: Hystrix args: name: fallbackcmd fallbackUri: forward:/fallback/error # websocket服务路由 - id: websocket uri: lb://websocket predicates: - Path=/websocket/** filters: - StripPrefix=1 - name: Hystrix args: name: fallbackcmd fallbackUri: forward:/fallback/error1 # fallback服务路由 - id: fallback uri: lb://fallback predicates: - Path=/fallback/** # eureka服务路由 - id: eureka uri: http://127.0.0.1:8888 predicates: - Path=/eureka/** filters: - StripPrefix=1 # admin服务路由 - id: admin uri: lb://admin predicates: - Path=/admin/** filters: - StripPrefix=1 feign: hystrix: enabled: true hystrix: command: default: execution: isolation: thread: # 全局熔断器5s超时 timeoutInMilliseconds: 5000启动GATEWAY服务
这里gateway用了80端口，因为里面配置了一个指向EUREKA的路由，所以此时可以通过访问 127.0.0.1/eureka 来测试是否成功（测试后可以删除EUREKA路由，没啥用😄） 出现下面页面，说明配置成功。
分别启动FALLBACK、MAINTAIN、WEBSOCKET服务
这三个服务没啥特别，配置文件和GATEWAY一样，读取对应的配置文件就好
也可以启动多个实例，启动多实例方法（先修改好git上的配置文件的端口！然后再配置IDEA！）：
调用GATEWAY对应路由规则的MAINTAIN服务提供的接口测试
路由规则： FALLBACK服务提供的接口：
package com.pet.controller; import com.pet.config.ServiceException; import com.pet.constant.ErrorMsgConstant; import com.pet.vo.ResponseResultVO; import lombok.extern.slf4j.Slf4j; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; @Slf4j @RestController @RequestMapping("/fallback") public class FallBackController { @RequestMapping("/error") public ResponseEntity<ResponseResultVO<String>> fallback() { log.error(ErrorMsgConstant.MAINTAIN_ERROR); throw new ServiceException(ErrorMsgConstant.MAINTAIN_ERROR); } @RequestMapping("/error1") public ResponseEntity<ResponseResultVO<String>> fallback1() { log.error(ErrorMsgConstant.WEBSOCKET_ERROR); throw new ServiceException(ErrorMsgConstant.WEBSOCKET_ERROR); } }测试成功情况： kill掉MATINTAIN服务，测试服务熔断： forward到fallback服务的接口，说明配置成功：
最后启动ADMIN服务
启动类 package com.pet; import de.codecentric.boot.admin.server.config.EnableAdminServer; import lombok.extern.slf4j.Slf4j; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.client.discovery.EnableDiscoveryClient; import org.springframework.cloud.netflix.eureka.EnableEurekaClient; @SpringBootApplication @EnableDiscoveryClient @EnableAdminServer @Slf4j public class AdminStarter { public static void main(String[] args) { SpringApplication.run(AdminStarter.class, args); log.info("start running admin server"); } } 访问 127.0.0.1:8887 测试
出现下面页面，说明配置成功，具体作用大家自己探索把~
OpenFeign示例
WEBSOCKET服务接口
调用此方法可以推送websocket消息到页面。
package com.pet.controller; import com.pet.constant.RoomsConstant; import com.pet.event.entity.LogToDbEventEntity; import com.pet.servers.SystemInfoServer; import lombok.RequiredArgsConstructor; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RestController; @RestController @RequiredArgsConstructor public class PushLogController { private final SystemInfoServer systemInfoServer; @PostMapping("/pushLog") public void pushLogToWeb(@RequestBody LogToDbEventEntity log) { systemInfoServer.sendMsg(RoomsConstant.SYSTEM_INFO, log.toString()); } } MAINTAIN调用WEBSOCKET接口 package com.pet.service.manager; import com.pet.event.entity.LogToDbEventEntity; import org.springframework.cloud.openfeign.FeignClient; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestBody; @FeignClient(value = "websocket") public interface PushLogService { @PostMapping(value = "/pushLog", consumes = "application/json") void pushDateToWeb(@RequestBody LogToDbEventEntity log); }MAINTAIN服务切面代码，在所用使用了@LogController注解的方法，调用WEBSOCKET服务，推送消息。
package com.pet.config.aop; import com.pet.annotation.LogController; import com.pet.config.ServiceException; import com.pet.constant.ErrorMsgConstant; import com.pet.constant.HttpConstant; import com.pet.event.entity.LogToDbEventEntity; import com.pet.po.SysUser; import com.pet.service.manager.PushLogService; import lombok.RequiredArgsConstructor; import lombok.extern.slf4j.Slf4j; import org.aspectj.lang.JoinPoint; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Before; import org.aspectj.lang.annotation.Pointcut; import org.springframework.stereotype.Component; import org.springframework.web.context.request.RequestContextHolder; import org.springframework.web.context.request.ServletRequestAttributes; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import java.util.Date; import java.util.Objects; @RequiredArgsConstructor @Aspect @Component @Slf4j public class PushLogAspect { private final PushLogService pushLogService; @Pointcut("@annotation(com.pet.annotation.LogController)") public void pushPoint() { } @Before(value = "pushPoint() && @annotation(logController)", argNames = "joinPoint, logController") public void beforeController(JoinPoint joinPoint, LogController logController) { HttpServletRequest request = ((ServletRequestAttributes) Objects.requireNonNull(RequestContextHolder.getRequestAttributes())).getRequest(); HttpSession session = request.getSession(); SysUser user = (SysUser) session.getAttribute(HttpConstant.SESSION_USER); String realMethodName = joinPoint.getSignature().getName(); String requestIp = getIp(request); try { pushLogService.pushDateToWeb(LogToDbEventEntity.builder() .date(new Date()) .userName(Objects.isNull(user) ? "system" : user.getUserName()) .method(logController.method()) .logLevel(logController.logLevel()) .description(logController.description()) .realMethod(realMethodName) .ip(requestIp) .build()); } catch (Exception e) { throw new ServiceException(ErrorMsgConstant.WEBSOCKET_ERROR); } } public static String getIp(HttpServletRequest request) { String ip = request.getHeader("x-forwarded-for"); if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("Proxy-Client-AuthenticationIp"); } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("WL-Proxy-Client-AuthenticationIp"); } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getRemoteAddr(); } return ip; } }总结
大佬们如果clone下来可以用的话，给个免费的star吧~ 😄
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