<?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 https://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>2.1.11.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.bjsxt</groupId> <artifactId>config-server</artifactId> <version>0.0.1-SNAPSHOT</version> <name>config-server</name> <description>config-server</description> <properties> <java.version>1.8</java.version> <spring-cloud.version>Greenwich.SR4</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-config-server</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-eureka-client</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>
spring.application.name=yxf-config-server server.port=9010 eureka.client.service-url.defaultZone=http://admin:1234@192.168.41.242:5050/eureka/,http://admin:1234@192.168.41.242:5051/eureka/ #Git配置 spring.cloud.config.server.git.uri=https://gitee.com/sakurayxf/config #spring.cloud.config.server.git.username= #spring.cloud.config.server.git.password=
package com.bjsxt; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.config.server.EnableConfigServer; import org.springframework.cloud.netflix.eureka.EnableEurekaClient; @SpringBootApplication @EnableEurekaClient @EnableConfigServer public class ConfigServerApplication { public static void main(String[] args) { SpringApplication.run(ConfigServerApplication.class, args); } }
注意命令规则
<?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 https://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>2.1.11.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.bjsxt</groupId> <artifactId>config-client</artifactId> <version>0.0.1-SNAPSHOT</version> <name>config-client</name> <description>config-client</description> <properties> <java.version>1.8</java.version> <spring-cloud.version>Greenwich.SR4</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.cloud</groupId> <artifactId>spring-cloud-starter-netflix-eureka-client</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>
package com.bjsxt; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.netflix.eureka.EnableEurekaClient; import org.springframework.context.annotation.Bean; import org.springframework.context.support.PropertySourcesPlaceholderConfigurer; @SpringBootApplication @EnableEurekaClient public class ConfigClientApplication { public static void main(String[] args) { SpringApplication.run(ConfigClientApplication.class, args); } }
spring.application.name=config-client server.port=9011 eureka.client.service-url.defaultZone=http://admin:1234@192.168.41.242:5050/eureka/,http://admin:1234@192.168.41.242:5051/eureka/ #默认 false,这里设置 true,表示开启读取配置中心的配置 spring.cloud.config.discovery.enabled=true #对应 eureka 中的配置中心 serviceId,默认是 configserver spring.cloud.config.discovery.service-id=yxf-config-server #指定环境 spring.cloud.config.profile=dev #git 标签 spring.cloud.config.label=master
package com.bjsxt.controller; import org.springframework.beans.factory.annotation.Value; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; @RestController public class ShowController { @Value("${e-book}") private String msg; @RequestMapping("/msg") public String Msg(){ return msg; } }
在写这个的过程中,实验了好几次都会出现这样的问题
度娘也说了几种解决方法:
1.就是配置文件必须是bootstrap.properties/yml
2.就是
去找注册中心中的服务必须名称正确。
3.就是我遇到的这种,
客户端的名称必须是config-client,不会就读取不到值。
总之这个问题花费了我很长时间,最后还是老师过来帮我解决的,问题也是不容易发现。
配置中心入门案例以及出现Could not resolve placeholder 'XXX' in value "${XXX}"的解决方式
原文:https://www.cnblogs.com/sakura-yxf/p/12037074.html