<?xml version="1.0" encoding="UTF-8"?>
<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.huarui</groupId>
<artifactId>sb_cloud_product</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>sb_cloud_product</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.13.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<spring-cloud.version>Edgware.SR3</spring-cloud.version>
</properties>
<dependencies>
<!-- eureka client -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
<!-- ribbon依赖 -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-ribbon</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>${spring-cloud.version}</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>
</project>
pom.xml
server:
port: 9000
spring:
application:
name: sb-cloud-product
eureka:
client:
serviceUrl:
defaultZone: http://localhost:8761/eureka/
application.yml
@SpringBootApplication
@EnableDiscoveryClient //开启服务注册
@EnableFeignClients //开启Feign
public class SbCloudProductApplication {
public static void main(String[] args) {
SpringApplication.run(SbCloudProductApplication.class, args);
}
}
<?xml version="1.0" encoding="UTF-8"?>
<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.huarui</groupId>
<artifactId>sb_cloud_order</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>sb_cloud_order</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.13.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<spring-cloud.version>Edgware.SR3</spring-cloud.version>
</properties>
<dependencies>
<!-- eureka client -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-feign</artifactId>
</dependency>
<!-- ribbon依赖 -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-ribbon</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>${spring-cloud.version}</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>
</project>
pom.xml
server:
port: 9001
spring:
application:
name: sb-cloud-order
eureka:
client:
serviceUrl:
defaultZone: http://localhost:8761/eureka/
application.yml
@Configuration
public class RestTemplateConfig {
@Bean
@LoadBalanced
public RestTemplate restTemplate(){
return new RestTemplate();
}
}
@FeignClient(name = "sb-cloud-product")
public interface ProductRemote {
/**
* name:远程服务名,即spring.application.name配置的名称
*类中的方法和远程服务中contoller中的方法名和参数需保持一致
*
* @return
*/
@GetMapping(value = "/product/getMsg")
public Map<String,String> getMsg();
}
@RestController
@RequestMapping("/order")
public class OrderCtrl {
@Autowired
private LoadBalancerClient loadBalancerClient;
@Autowired
private RestTemplate restTemplate2;
@Autowired
private ProductRemote productRemote;
/**
* RestTemplate 三种使用方式
* @return
*/
@RequestMapping("/getProduct")
public Map<String,String> getProduct(){
//http://localhost:9000/product/getMsg
RestTemplate restTemplate = new RestTemplate();
//1.第一种方式(直接通过地址访问)
//Map<String,String> map = restTemplate.getForObject("http://localhost:9000/product/getMsg", Map.class);
//2.第二种方式(利用loadBalancerClient通过应用名获取url)
/*ServiceInstance serviceInstance = loadBalancerClient.choose("sb-cloud-product");
String url = String.format("http://%s:%s", serviceInstance.getHost(), serviceInstance.getPort() + "/product/getMsg");
Map<String,String> map = restTemplate.getForObject(url, Map.class);*/
//3.第三种方式(通过@LoadBalanced注解让restTemplate获得负载均衡能力 访问接口时使用应用名字)
Map<String,String> map = restTemplate2.getForObject("http://sb-cloud-product:9000/product/getMsg", Map.class);
return map;
}
/* 通过feign 远程访问sb_cloud_product 服务 */
@GetMapping("/feign/getProduct")
public Map<String,String> feignGetProduct(){
return productRemote.getMsg();
}
}