shardingSphere分庫分表，讀寫分離

分庫分表&主從 

    <sharding:inline-strategy id="databaseStrategy" sharding-column="id" algorithm-expression="smart_$->{id%2}"/>
    <sharding:inline-strategy id="tableStrategy" sharding-column="id" algorithm-expression="smart_device_test_new_$->{id%2}"/>
    <sharding:data-source id="shardingDataSource">
        <sharding:sharding-rule data-source-names="smart_0,smart_1,smart_2,smart_3">
            <sharding:master-slave-rules>
                <sharding:master-slave-rule id="smart_0" master-data-source-name="smart_0" slave-data-source-names="smart_2" />
                <sharding:master-slave-rule id="smart_1" master-data-source-name="smart_1" slave-data-source-names="smart_3" />
            </sharding:master-slave-rules>
            <sharding:table-rules>
                <sharding:table-rule logic-table="smart_device_test_new" actual-data-nodes="smart_$->{0..1}.smart_device_test_new$->{0..1}" database-strategy-ref="databaseStrategy" table-strategy-ref="tableStrategy" />
            </sharding:table-rules>
        </sharding:sharding-rule>
    </sharding:data-source>

主從 

    <master-slave:data-source id="masterSlaveDataSource" master-data-source-name="master"
                              slave-data-source-names="slave">
        <master-slave:props>
            <prop key="sql.show">false</prop>
            <prop key="executor.size">10</prop>
            <prop key="foo">bar</prop>
        </master-slave:props>
    </master-slave:data-source>