ShardingSphere多数据源，读写分离等的实现

<dependency>
   <groupId>org.apache.shardingsphere</groupId>
   <artifactId>sharding-jdbc-spring-boot-starter</artifactId>
   <version>4.0.0-RC2</version>
</dependency>

spring:
  shardingsphere:
    datasource:
      names: db1,db2
      db1:
        driver-class-name: com.mysql.cj.jdbc.Driver
        url: jdbc:mysql://127.0.0.1:3306/cloud_resource?useSSL=FALSE&serverTimezone=GMT%2B8
        username: root
        password: ****
        type: com.alibaba.druid.pool.DruidDataSource
        filters: stat
        maxActive: 20
        initialSize: 1
        maxWait: 60000
        minIdle: 1
        timeBetweenEvictionRunsMillis: 60000
        minEvictableIdleTimeMillis: 300000
        validationQuery: select 'x'
        testWhileIdle: true
        testOnBorrow: false
        testOnReturn: false
        poolPreparedStatements: true
        maxOpenPreparedStatements: 20
      db2:
        driver-class-name: com.mysql.cj.jdbc.Driver
        url: jdbc:mysql://127.0.0.1:3306/cloud_resource_base?useSSL=FALSE&serverTimezone=GMT%2B8
        username: root
        password: ****
        type: com.alibaba.druid.pool.DruidDataSource
        filters: stat
        maxActive: 20
        initialSize: 1
        maxWait: 60000
        minIdle: 1
        timeBetweenEvictionRunsMillis: 60000
        minEvictableIdleTimeMillis: 300000
        validationQuery: select 'x'
        testWhileIdle: true
        testOnBorrow: false
        testOnReturn: false
        poolPreparedStatements: true
        maxOpenPreparedStatements: 20
    masterslave:
      load-balance-algorithm-type: round_robin
      name: ms
      master-data-source-name: db1
      slave-data-source-names: db1,db2

@EnableFeignClients
@EnableTransactionManagement
@SpringBootApplication(exclude = JtaAutoConfiguration.class)
public class ResourceCenterApplication {

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

}