SpringCloud统一配置笔记

Server端：

pom.xml

<?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.shinho</groupId>

    <artifactId>config-server</artifactId>

    <version>0.0.1</version>

    <packaging>jar</packaging>

    <name>config-server</name>

    <description>Demo project for Spring Boot</description>

    <parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>2.0.1.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>Finchley.M9</spring-cloud.version>

    </properties>

    <dependencies>

        <dependency>

            <groupId>org.springframework.cloud</groupId>

            <artifactId>spring-cloud-starter-config</artifactId>

            <version>2.0.0.RC1</version>

        </dependency>

        <dependency>

            <groupId>org.springframework.cloud</groupId>

            <artifactId>spring-cloud-config-server</artifactId>

            <version>2.0.0.RC1</version>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-test</artifactId>

            <scope>test</scope>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-expression</artifactId>

            <version>4.3.14.RELEASE</version>

        </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>

            <dependency>

                <groupId>org.springframework.cloud</groupId>

                <artifactId>spring-cloud-config</artifactId>

                <version>2.0.0.RC1</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-snapshots</id>

            <name>Spring Snapshots</name>

            <url>https://repo.spring.io/snapshot</url>

            <snapshots>

                <enabled>true</enabled>

            </snapshots>

        </repository>

        <repository>

            <id>spring-milestones</id>

            <name>Spring Milestones</name>

            <url>https://repo.spring.io/milestone</url>

            <snapshots>

                <enabled>false</enabled>

            </snapshots>

        </repository>

    </repositories>

    <pluginRepositories>

        <pluginRepository>

            <id>spring-snapshots</id>

            <name>Spring Snapshots</name>

            <url>https://repo.spring.io/snapshot</url>

            <snapshots>

                <enabled>true</enabled>

            </snapshots>

        </pluginRepository>

        <pluginRepository>

            <id>spring-milestones</id>

            <name>Spring Milestones</name>

            <url>https://repo.spring.io/milestone</url>

            <snapshots>

                <enabled>false</enabled>

            </snapshots>

        </pluginRepository>

    </pluginRepositories>

</project>

application.yml

server:

  port: 8888

spring:

  cloud:

    config:

      server:

        git:

          uri: https://github.com/forezp/SpringcloudConfig/

          searchPaths: respo

      label: master

package com.shinho.main;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.cloud.config.server.EnableConfigServer;

@SpringBootApplication

@EnableConfigServer

public class ConfigServerApplication {

    public static void main(String[] args) {

        SpringApplication.run(ConfigServerApplication.class, args);

    }

}

客户端：

pom.xml

<?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.shinho</groupId>

    <artifactId>dbmeta</artifactId>

    <version>0.0.1</version>

    <packaging>jar</packaging>

    <name>dbmeta</name>

    <description>Demo project for Spring Boot</description>

    <parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>2.0.1.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>Finchley.M9</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-netflix-eureka-server</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.cloud</groupId>

            <artifactId>spring-cloud-starter-config</artifactId>

        </dependency>

        <dependency>

            <groupId>mysql</groupId>

            <artifactId>mysql-connector-java</artifactId>

            <scope>runtime</scope>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-test</artifactId>

            <scope>test</scope>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-expression</artifactId>

            <version>4.3.14.RELEASE</version>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-data-rest</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-data-jpa</artifactId>

        </dependency>

        <dependency>

            <groupId>com.alibaba</groupId>

            <artifactId>druid</artifactId>

            <version>0.2.9</version>

        </dependency>

        <dependency>

            <groupId>org.hibernate</groupId>

            <artifactId>hibernate-ehcache</artifactId>

            <version>5.2.16.Final</version>

        </dependency>

        <dependency>

            <groupId>net.sf.ehcache</groupId>

            <artifactId>ehcache</artifactId>

            <version>2.9.0</version>

        </dependency>

        <dependency>

            <groupId>log4j</groupId>

            <artifactId>log4j</artifactId>

            <version>1.2.17</version>

        </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>ali</id>

            <name>ali Repository</name>

            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>

            <snapshots>

                <enabled>false</enabled>

            </snapshots>

        </repository>

        <repository>

            <id>spring-milestones</id>

            <name>Spring Milestones</name>

            <url>https://repo.spring.io/milestone</url>

            <snapshots>

                <enabled>false</enabled>

            </snapshots>

        </repository>

        <repository>

            <id>clojars</id>

            <name>Clojars repository</name>

            <url>https://clojars.org/repo</url>

        </repository>

    </repositories>

</project>

application.yml

eureka:

  client:

    serviceUrl:

      defaultZone: http://192.168.40.132:7087/eureka

server:

  port: 7088

spring:

  application:

    name: config-client-dev

  datasource:

    type: com.alibaba.druid.pool.DruidDataSource

    url: jdbc:mysql://127.0.0.1:3306/shbi?characterEncoding=utf8

    username: root

    password: root

    driverClassName: com.mysql.jdbc.Driver

    initialSize: 5

    minIdle: 5

    maxActive: 20

    maxWait: 60000

    timeBetweenEvictionRunsMillis: 60000

    minEvictableIdleTimeMillis: 300000

    validationQuery: SELECT 1 FROM DUAL

    testWhileIdle: true

    testOnBorrow: false

    testOnReturn: false

    poolPreparedStatements: true

    maxPoolPreparedStatementPerConnectionSize: 20

    filters: stat,wall,log4j

    connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000

    useGlobalDataSourceStat: true

  jpa:

    database: MYSQL

    show-sql: false

    generate-ddl: true

    hibernate:

      ddl-auto: create

      naming_strategy: org.hibernate.cfg.ImprovedNamingStrategy

    properties:

      hibernate:

        dialect: org.hibernate.dialect.MySQL5Dialect

        cache:

          region.factory_class: org.hibernate.cache.ehcache.EhCacheRegionFactory

          provider_configuration_file_resource_path: ehcache.xml

  cloud:

    config:

      uri: http://localhost:8888

      label: master

执行类：

package com.shinho;

import org.apache.log4j.Logger;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.EnableAutoConfiguration;

import org.springframework.cloud.netflix.eureka.EnableEurekaClient;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.ComponentScan;

import org.springframework.context.annotation.Configuration;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RestController;

import org.springframework.web.servlet.config.annotation.EnableWebMvc;

import com.shinho.dao.TablesDao;

@Configuration

@EnableAutoConfiguration

@ComponentScan(basePackages={"com.shinho"})

@EnableWebMvc

@EnableEurekaClient

@RestController

public class DbmetaApplication {

    private static final Logger logger = Logger.getLogger(DbmetaApplication.class);

    @Value("${foo}")

    String foo;

    public static void main(String[] args) {

        SpringApplication.run(DbmetaApplication.class, args);

    }

    @Value("${server.port}")

    String port;

    @RequestMapping("/hi")

    @Bean

    public String home(TablesDao dao) {

        logger.info("测试");

        int ishas = dao.getcount();

        return ishas+"";

    }

    @RequestMapping("/config")

    @Bean

    public String config(String val) {

        return val+"!"+foo;

    }

}

重点来了！敲黑板！

服务器端端口一定要是8888
服务器端要配置label
客户端的spring.application.name一定要和git仓库里的配置文件名(扩展名和点前面的部分)完全一致！

这里借用了网上一位大神的git仓库来做的测试，在这里表示十二分的感谢！

https://github.com/forezp/SpringcloudConfig/

这个仓库是个公共的仓库，不需要账号密码就能访问。如果是私有仓库，要在服务器端加上账号密码的配置。

仓库内截图如下：

1.根目录

2.respo文件夹内部：

3.config-client-dev.properties文件内容：

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