sharding-jdbc5.x在Springboot中的yml配置详细说明

sharding-jdbc5.x在Springboot中的yml配置详细说明

引入maven依赖

<dependency>
    <groupId>org.apache.shardingsphere</groupId>
    <artifactId>shardingsphere-jdbc-core</artifactId>
    <version>${shardingsphere.version}</version>
</dependency>

分片配置

# 配置真实数据源
dataSources:
  # 配置第 1 个数据源
  ds0: !!com.alibaba.druid.pool.DruidDataSource
    driverClassName: com.mysql.jdbc.Driver
    jdbcUrl: jdbc:mysql://localhost:3306/ds0
    username: root
    password:
  # 配置第 2 个数据源
  ds1: !!com.alibaba.druid.pool.DruidDataSource
    driverClassName: com.mysql.jdbc.Driver
    jdbcUrl: jdbc:mysql://localhost:3306/ds1
    username: root
    password: 

rules:
# 配置分片规则
- !SHARDING
  tables:
    # 配置 t_order 表规则
    t_order: 
      actualDataNodes: ds${0..1}.t_order${0..1}
      # 配置分库策略
      databaseStrategy:
        standard:
          shardingColumn: user_id
          shardingAlgorithmName: database_inline
      # 配置分表策略
      tableStrategy:
        standard:
          shardingColumn: order_id
          shardingAlgorithmName: table_inline
    t_order_item: 
    # 省略配置 t_order_item 表规则...
    # ...
    
  # 配置分片算法
  shardingAlgorithms:
    database_inline:
      type: INLINE
      props:
        algorithm-expression: ds${user_id % 2}
    table_inline:
      type: INLINE
      props:
        algorithm-expression: t_order_${order_id % 2}