eureka 配置中心，注册中心环境搭建

1. eureka-server
1.1 pom.xml
<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>
    <groupId>com.eureka.server</groupId>
    <artifactId>eureka_server</artifactId>
    <version>1.0.1-SNAPSHOT</version>
    
    <properties>
      <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
      <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
      <java.version>1.8</java.version>
    </properties>
    
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.2.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    
    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka-server</artifactId>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-config-server</artifactId>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Dalston.RC1</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>
    
    <repositories>
        <repository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>https://repo.spring.io/milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>
</project>
1.2 ====== application.yml=======
server:
  port: 8761

eureka:
  instance:
    hostname: localhost
  client:
    #由于该应用为注册中心,所以设置为false,代表不向注册中心注册自己
    registerWithEureka: false
    #由于注册中心的职责就是维护服务实例,它并不需要去检索服务,所以也设置为false
    fetchRegistry: false
    serviceUrl:
      defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/

management:
  security:
    enabled: false

spring:
  profiles:
    active: native
  cloud:
    config:
      server:
        native:
          search-locations: file:///D:/Users/xuzhi268/zhongchou/config_profiles
      uri: localhost:8761
1.3 ======= eureka-server 启动类 =========== 
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.config.server.EnableConfigServer;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;

@EnableEurekaServer
@EnableConfigServer
@SpringBootApplication
public class EurekaServerApplication {

    public static void main(String[] args) {
        SpringApplication.run(EurekaServerApplication.class, args);
    }
    
}
2 ========== ucenter 用户中心 ==========               
2.1 pom.xml
<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.cloud.eureka.client</groupId>
    <artifactId>ucenter</artifactId>
    <packaging>war</packaging>
    <version>1.0.1-SNAPSHOT</version>
    <name>ucenter Maven Webapp</name>
    <url>http://maven.apache.org</url>
    
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.2.RELEASE</version>
        <relativePath/>
    </parent>
    
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Camden.SR7</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
    
    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <scope>test</scope>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka</artifactId>
        </dependency>
    
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-config</artifactId>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
    </dependencies>
    <build>
        <finalName>ucenter</finalName>
    </build>
</project>
2.2 application.yml 和 bootstrap.yml
eureka:
  client:
    serviceUrl:
      #注册中心的地址
      defaultZone: http://localhost:8761/eureka/
server:
  #当前服务端口号
  port: 8762
spring:
  application:
    #当前应用名称
    name: ucenter

#配置中心地址
#禁用配置中心权限验证
management:
  security:
    enabled: false

spring:
  cloud:
    config:
      uri: http://localhost:8761    
2.3 启动类
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.web.bind.annotation.RestController;

@SpringBootApplication
@EnableEurekaClient
@RestController
public class UcenterApplicationRunner {
    
    public static void main(String[] args) {
        SpringApplication.run(UcenterApplicationRunner.class, args);
    }
}
2.4 服务类
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import com.cloud.eureka.client.ucenter.biz.UserInfoService;
import com.cloud.eureka.client.ucenter.domain.UserDto;
import com.cloud.eureka.client.ucenter.network.request.QueryUserByIdRequest;
import com.cloud.eureka.client.ucenter.network.response.QueryUserByIdResult;

@RestController
@RefreshScope
public class UcenterInfoService {

     private final Logger logger = LoggerFactory.getLogger(UcenterInfoService.class);
     
     @Autowired
     private DiscoveryClient discoveryClient;
     
     @Value(value = "${redis.host}")
     private String redisHost;
     @Value(value = "${redis.port}")
     private String redisPort;
     
     @RequestMapping(value = "/hello", method = RequestMethod.GET)
     public String index() {
        logger.info("redis host " + redisHost + ":" + redisPort);
        ServiceInstance instance = discoveryClient.getLocalServiceInstance();
        logger.info("<=-=-=-= ucenter server access index() " + this.getClass().getSimpleName() + " " + Thread.currentThread().getName());
        logger.info("/hello, host:" + instance.getHost() + ", service_id:" + instance.getServiceId());
        return "Hello World";
     }
     
     @Autowired
     private UserInfoService userInfoService;
     
     @RequestMapping(value = "/queryUserInfo", method = RequestMethod.GET)
     public UserDto queryUserInfo (@RequestParam("userId") Long userId) {
         logger.info("redis host " + redisHost + ":" + redisPort);
         logger.info("<=-=-=-= ucenter server access queryUserInfo " + this.getClass().getSimpleName()
                 + " " + Thread.currentThread().getName());
         logger.info("<<=-=-=-=>>恭喜用户 " + userId + " 你连接成功<<=-=-=-=>>");
         return userInfoService.queryUserInfo();
     }
     
     @RequestMapping(value = "queryUserList", method = RequestMethod.POST)
     public List<UserDto> queryUserList() {
         logger.info("redis host " + redisHost + ":" + redisPort);
         logger.info("<=-=-=-= ucenter server access queryUserList " + this.getClass().getSimpleName()
                 + " " + Thread.currentThread().getName());
         List<UserDto> ulist = userInfoService.queryUserList();
         return ulist;
     }
     
     @RequestMapping(value = "/queryUserById", method = RequestMethod.POST)
     public QueryUserByIdResult<UserDto> queryUserUserId(QueryUserByIdRequest request) {
         logger.info("redis host " + redisHost + ":" + redisPort);
         logger.info("<=-=-=-= ucenter server access queryUserInfo " + this.getClass().getSimpleName()
                 + " " + Thread.currentThread().getName());
         QueryUserByIdResult<UserDto> result = new QueryUserByIdResult<UserDto>();
         UserDto dto = userInfoService.queryUserInfo();
         result.setModel(dto);
         result.setRespCode("000");
         result.setRespMsg("查询成功");
         return result;
     }
}