springcloud 服务提供方 compute-service

最新推荐文章于 2025-04-28 11:29:15 发布

curiousby

最新推荐文章于 2025-04-28 11:29:15 发布

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分类专栏： springcloud 文章标签： springcloud 服务提供方 compute service

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本文详细介绍使用 Spring Cloud 实现微服务架构的具体实践，包括服务注册中心 Eureka 的搭建、服务提供者与消费者的开发流程、客户端负载均衡 Ribbon 的应用、断路器 Hystrix 的配置等关键技术。

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springcloud (零) springboot 基础下载

springcloud (一)服务注册中心 eureka 下载

springcloud (二)服务提供方 compute-service 下载

springcloud (三)消费者 Feign（类似 websevice) 下载

springcloud (四)客户端负载均衡 ribbon 下载

springcloud (五)断路由hystrix 下载

springcloud (六)分布式配置中心 config server & config client 下载client 下载server

springcloud (七) bus 分布式队列 rabbitmq 下载

springcloud (八) 服务网关 gateway zuul 下载

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@EnableDiscoveryClient
@SpringBootApplication  
public class SpringBootSampleApplication {

    
     
    
    public static void main(String[] args) {
        SpringApplication.run(SpringBootSampleApplication.class, args);
    }


}

@RestController
public class UserService {
 

    private final Logger logger = Logger.getLogger(UserService.class);

    @Resource
    UserDao userDao;
    
    @Autowired
    private DiscoveryClient client;
    
    @RequestMapping(value = "/user/{userId}" ,method = RequestMethod.GET)
    public User  findById(@PathVariable(value = "userId") int userId){
        ServiceInstance instance = client.getLocalServiceInstance();
        logger.info("/add, host:" + instance.getHost() + ", service_id:" + instance.getServiceId() + ", result:"  );
        
        System.out.println("================productor==================="); 
        User user = userDao.findById(userId);
        System.out.println("================productor==================="+user);
        return user;
    }

}

package com.curiousby.cn.entity;

import java.io.Serializable;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;

/**
 * @Type User.java
 * @Desc 
 * @author cmcc-B100036
 * @date 2016年11月10日 下午3:44:08
 * @version 
 */
@Entity
@Table(name = "t_user")
public class User implements Serializable{

    

    /**
     * 
     */
    private static final long serialVersionUID = 1381806832842693234L;

    

    @Id
    private int id;

    @Column(name = "user_name")
    private String userName;
    
    @Column(name = "password")
    private String password;
    
    @Column(name = "tel")
    private String tel;
    
    @Column(name = "sex")
    private String sex;
     
    @Column(name = "description")
    private String description;
    
    

    public int getId() {
        return id;
    }

    public String getUserName() {
        return userName;
    }

    public String getPassword() {
        return password;
    }

    public String getTel() {
        return tel;
    }

    public String getSex() {
        return sex;
    }

    public String getDescription() {
        return description;
    }

    public void setId(int id) {
        this.id = id;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public void setTel(String tel) {
        this.tel = tel;
    }

    public void setSex(String sex) {
        this.sex = sex;
    }

    public void setDescription(String description) {
        this.description = description;
    }
    
    
    
    
}

 
package com.curiousby.cn.dao;

import javax.transaction.Transactional;

import org.springframework.data.repository.CrudRepository;

import com.curiousby.cn.entity.User;
 

/**
 * @Type UserDao.java
 * @Desc 
 * @author cmcc-B100036
 * @date 2016年11月10日 下午3:49:04
 * @version 
 */
@Transactional
public interface  UserDao extends CrudRepository<User, Integer>{

    //crud
    User findById(int id);

}

spring.mvc.view.prefix=/WEB-INF/jsp/
spring.mvc.view.suffix=.jsp


spring.application.name=compute-service
server.port=1001
server.session-timeout=60
# server.address=192.168.16.11 


#one datasource
spring.datasource.url=jdbc:mysql://localhost:3306/database
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.driverClassName=com.mysql.jdbc.Driver




eureka.client.serviceUrl.defaultZone=http://localhost:1000/eureka/

<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.curiousby.cn</groupId>
  <artifactId>SpringCloudDemo-Feign</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>SpringCloudDemo-Feign Maven Webapp</name>
  <url>http://maven.apache.org</url>
  



    <repositories>
        <repository>
            <id>spring-snapshots</id>
            <url>http://repo.spring.io/libs-snapshot</url>
        </repository>
    </repositories>

    <pluginRepositories>
        <pluginRepository>
            <id>spring-snapshots</id>
            <url>http://repo.spring.io/libs-snapshot</url>
        </pluginRepository>
    </pluginRepositories>
    

	<parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.3.5.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <java.version>1.7</java.version>
    </properties>

    <dependencies>
     <dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-hystrix</artifactId>
		</dependency>
     <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-feign</artifactId>
    </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-tomcat</artifactId>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>org.apache.tomcat.embed</groupId>
			<artifactId>tomcat-embed-jasper</artifactId>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>jstl</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-jpa</artifactId>
			<scope>runtime</scope>
		</dependency> 
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<scope>runtime</scope>
		</dependency>
        
    </dependencies>
    
	<dependencyManagement>
	        <dependencies>
	            <dependency>
	                <groupId>org.springframework.cloud</groupId>
	                <artifactId>spring-cloud-dependencies</artifactId>
	                <version>Brixton.RELEASE</version>
	                <type>pom</type>
	                <scope>import</scope>
	            </dependency>
	        </dependencies>
	    </dependencyManagement>
	    
	<build>
		<finalName>SpringCloudDemo-Feign</finalName>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
			
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<configuration>
					<source>1.7</source>
					<target>1.7</target>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-surefire-plugin</artifactId>
				<configuration>
					<useSystemClassLoader>false</useSystemClassLoader>
				</configuration>
			</plugin>
			
		</plugins>

	</build>
	
</project>