springcloud fegin和rabbit分別實現微服務（二）

前面一篇文章 寫了第一種 實現微服務架構 現在實現第二種 依然是傻瓜

第一篇博文鏈接 https://blog.csdn.net/qq_41684939/article/details/89602525

這是基於上一篇博文寫的

註冊中心 可以在上一篇看到

fegin實現微服務架構

1. 提供者目錄結構
   
2. 提供者uml

server:
   port: 8814 
  
eureka:
  client:
    serviceUrl:
      defaultZone: http://192.168.88.200:12345/eureka/

security:
  basic:
    enabled: false

spring: 
  application:
    name: service-fregin
    
    
feign:
  hystrix:
    enabled:  true  # 開啓 Feign 對 Hystrix 的支持
  compression:
    request:
      enabled:  true   # 開啓對 request 請求壓縮
      mime-types:
        - text/xml
        - application/xml
        - application/json    # 指定壓縮格式
      min-request-size: 2048  # 壓縮的最小閥值，默認 2048，超過2048 （字節） 進行壓縮。

    response:
      enabled:  true  # 開啓對 response 的壓縮
    

3. 提供者pom

<?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>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.1.4.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.example</groupId>
	<artifactId>demo-1</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>demo-1</name>
	<description>Demo project for Spring Boot</description>

	<properties>
		<java.version>1.8</java.version>
		<spring-cloud.version>Greenwich.SR1</spring-cloud.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-config</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-config-server</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
		</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>${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>

4. 提供者啓動類

package com.example.demo;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.context.annotation.ComponentScan;

@SpringBootApplication
@EnableEurekaClient
@ComponentScan(basePackages = {"com.example"})
public class Demo1Application {

	public static void main(String[] args) {
		SpringApplication.run(Demo1Application.class, args);
	}

}

5. 提供者 controller

package com.example.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;


@RequestMapping("/fregin")
@RestController
public class ServiceController {

	
	 @GetMapping("/hello")
	    public String hello() {
	        String s="測試開源框架fregin"+"這是service層：port="+"8814";
	        return s ;
	    }


}

6. 啓動成功

7. 定義 消費者（目錄結構）

8. yml 配置

server:
   port: 8815 
  
eureka:
  client:
    serviceUrl:
      defaultZone: http://192.168.88.200:12345/eureka/

security:
  basic:
    enabled: false

spring: 
  application:
    name: service-fregin-server
feign:
  hystrix:
    enabled:  true  # 開啓 Feign 對 Hystrix 的支持
  compression:
    request:
      enabled:  true   # 開啓對 request 請求壓縮
      mime-types:
        - text/xml
        - application/xml
        - application/json    # 指定壓縮格式
      min-request-size: 2048  # 壓縮的最小閥值，默認 2048，超過2048 （字節） 進行壓縮。

    response:
      enabled:  true  # 開啓對 response 的壓縮
    

9. 啓動類

package com.example.demo;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.annotation.ComponentScan;

@SpringBootApplication
@EnableEurekaClient
@ComponentScan(basePackages = {"com.example"})
@EnableFeignClients(basePackages={"com.example.*"})
public class Demo1Application {

	public static void main(String[] args) {
		SpringApplication.run(Demo1Application.class, args);
	}

}

10. controller 編輯

package com.example.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import com.example.service.DemoService;


@RequestMapping("/freginServer")
@RestController
public class ServiceController {

	@Autowired
	DemoService service;
	
		@GetMapping("/hello")
	    public String hello() {
	       
			return service.hello();
	    }


}

11. serveice 編輯

package com.example.service;

import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.RequestMapping;

@FeignClient(value="service-fregin")
public interface DemoService {

	@RequestMapping("/fregin/hello")
	 String hello();
}

12. 啓動成功 訪問