Spring Cloud微服務整合配置中心

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1. 搭建Spring Cloud Config配置中心(見上一篇部落格)

 

2. 建立微服務項目bounter-simon-app,pom檔案如下:

<?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>cn.bounter</groupId>    <artifactId>bounter-simon-app</artifactId>    <version>0.0.1-SNAPSHOT</version>    <packaging>jar</packaging>    <name>bounter-simon-app</name>    <parent>        <groupId>org.springframework.boot</groupId>        <artifactId>spring-boot-starter-parent</artifactId>        <version>2.0.4.RELEASE</version>    </parent>    <properties>        <java.version>1.8</java.version>        <spring-cloud.version>Finchley.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> </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>

 

3. 配置從配置中心擷取配置資訊,application.properties檔案如下:

server.port=8081# 配置中心倉庫的設定檔名spring.application.name=simon# 配置中心伺服器位址spring.cloud.config.uri=http://localhost:8888

 

4.控制器返回從配置中心擷取到的配置資訊,SimonController.java 內容如下:

@RestController@CrossOrigin@RequestMapping("/api/simon")public class SimonController {    @Value("${name}")    private String name;        @GetMapping("/name")    public ResponseData<?> get() {        return new ResponseData<>().success().data(name);    }}

 

5. 啟動bounter-simon-app服務,瀏覽器訪問:http://localhost:8081/api/simon/name,頁面如下:

{  success: true,  data: "simon",  errorMsg: null,  timestamp: 1534917807,  sign: null}

 

data裡就顯示了從配置中心擷取到的name屬性值,是不是覺得很簡單啊,那就自己動手試一試吧!

原始碼Github地址:

https://github.com/13babybear/bounter-simon-app

https://github.com/13babybear/bounter-susan-app

Spring Cloud微服務整合配置中心

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