一埃撵、 eureka client說明：
Eureka客戶端是一個java客戶端，用來簡化與服務器的交互虽另、作為輪詢負載均衡器暂刘，并提供服務的故障切換支持。Netflix在其生產環(huán)境中使用的是另外的客戶端捂刺，它提供基于流量谣拣、資源利用率以及出錯狀態(tài)的加權負載均衡
二、創(chuàng)建一個服務提供者
0.項目結構:
image.png
- 創(chuàng)建一個像cloud-client項目族展，創(chuàng)建完pom.xml文件如下:
<?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.cloud.client</groupId>
<artifactId>client</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>client</name>
<description>this spring-boot client</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.9.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.RELEASE</spring-cloud.version>
</properties>
<dependencies>
<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>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
</project>
2.application.properties 配置文件如下：
spring.application.name:這個名字很重要的森缠，以后服務與服務之間調用根據這個名字
eureka.client.serviceUrl.defaultZone:服務注冊中心
server.port=8762
spring.application.name=service-hi
eureka.client.serviceUrl.defaultZone=http://localhost:8761/eureka/
2.通過注解@EnableEurekaClient表明自己是一個eurekaclient
@SpringBootApplication
@EnableEurekaClient
public class ClientApplication {
public static void main(String[] args) {
SpringApplication.run(ClientApplication.class, args);
}
}
3.創(chuàng)建一個controller包下面創(chuàng)建一個 TestController
@RestController
public class TestController {
@Value("${server.port}")
String port;
@RequestMapping("/hi")
@ResponseBody
public String home(@RequestParam String name) {
return "hi "+name+",i am from port:" +port;
}
}
4：打開瀏覽器：輸入服務注冊中心:http://localhost:8761，這時候出現一個服務提供者：
image.png
5：打開瀏覽器輸入：http://localhost:8762/hi?name=forezp 看到瀏覽器為：
image.png
三仪缸、源碼下載
https://gitee.com/biaoxinwebstorm/cloud-client.git
https://github.com/yangliu123/cloud-client.git
