<dependency>
  <groupId>com.baomidou</groupId>
  <artifactId>dynamic-datasource-spring-boot-starter</artifactId>
  <version>${version}</version>
</dependency>
 

spring:
  datasource:
    dynamic:
      primary: master #設置默認的數(shù)據(jù)源或者數(shù)據(jù)源組,默認值即為master
      strict: false #設置嚴格模式,默認false不啟動. 啟動后在未匹配到指定數(shù)據(jù)源時候會拋出異常,不啟動則使用默認數(shù)據(jù)源.
      datasource:
        master:
          url: jdbc:mysql://xx.xx.xx.xx:3306/dynamic
          username: root
          password: 123456
          driver-class-name: com.mysql.jdbc.Driver # 3.2.0開始支持SPI可省略此配置
        slave_1:
          url: jdbc:mysql://xx.xx.xx.xx:3307/dynamic
          username: root
          password: 123456
          driver-class-name: com.mysql.jdbc.Driver
        slave_2:
          url: ENC(xxxxx) # 內置加密,使用請查看詳細文檔
          username: ENC(xxxxx)
          password: ENC(xxxxx)
          driver-class-name: com.mysql.jdbc.Driver
          schema: db/schema.sql # 配置則生效,自動初始化表結構
          data: db/data.sql # 配置則生效,自動初始化數(shù)據(jù)
          continue-on-error: true # 默認true,初始化失敗是否繼續(xù)
          separator: ";" # sql默認分號分隔符
          
       #......省略
       #以上會配置一個默認庫master，一個組slave下有兩個子庫slave_1,slave_2
 

# 多主多從                      純粹多庫（記得設置primary）                   混合配置
spring:                               spring:                               spring:
  datasource:                           datasource:                           datasource:
    dynamic:                              dynamic:                              dynamic:
      datasource:                           datasource:                           datasource:
        master_1:                             mysql:                                master:
        master_2:                             oracle:                               slave_1:
        slave_1:                              sqlserver:                            slave_2:
        slave_2:                              postgresql:                           oracle_1:
        slave_3:                              h2:                                   oracle_2:
 

@Service
@DS("slave")
public class UserServiceImpl implements UserService {
 
  @Autowired
  private JdbcTemplate jdbcTemplate;
 
  public List selectAll() {
    return  jdbcTemplate.queryForList("select * from user");
  }
  
  @Override
  @DS("slave_1")
  public List selectByCondition() {
    return  jdbcTemplate.queryForList("select * from user where age >10");
  }
}