下面这段配置的含义是，如果操作t_user表则去ds_0数据源操作，，如果操作t_order表则去ds_1数据源操作，t_user与t_order表是ShardingSphere中的虚拟表，和实际表名不相同也没关系，配置好了就行。

修改配置config-sharding.yaml

schemaName: sharding_db

dataSources:
  ds_0:
    url: jdbc:mysql://192.168.100.201:3301/db_user?serverTimezone=UTC&useSSL=false
    username: root
    password: 123456
    connectionTimeoutMilliseconds: 30000
    idleTimeoutMilliseconds: 60000
    maxLifetimeMilliseconds: 1800000
    maxPoolSize: 50
    minPoolSize: 1
  ds_1:
    url: jdbc:mysql://192.168.100.201:3302/db_order?serverTimezone=UTC&useSSL=false
    username: root
    password: 123456
    connectionTimeoutMilliseconds: 30000
    idleTimeoutMilliseconds: 60000
    maxLifetimeMilliseconds: 1800000
    maxPoolSize: 50
    minPoolSize: 1

rules:
- !SHARDING
  tables:
    t_user:
      actualDataNodes: ds_0.t_user
    t_order:
      actualDataNodes: ds_1.t_order