Sharding-JDBC-Spring命名空间配置

作者: 蓝胖子的白日梦丶 | 来源:发表于2019-04-29 18:49 被阅读220次

SPRING命名空间配置

注意事项

行表达式标识符可以使用${...}或$->{...}，但前者与Spring本身的属性文件占位符冲突，因此在Spring环境中使用行表达式标识符建议使用$->{...}。

配置示例

数据分片

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:sharding="http://shardingsphere.apache.org/schema/shardingsphere/sharding"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
                        http://www.springframework.org/schema/beans/spring-beans.xsd
                        http://shardingsphere.apache.org/schema/shardingsphere/sharding 
                        http://shardingsphere.apache.org/schema/shardingsphere/sharding/sharding.xsd
                        http://www.springframework.org/schema/context
                        http://www.springframework.org/schema/context/spring-context.xsd
                        http://www.springframework.org/schema/tx
                        http://www.springframework.org/schema/tx/spring-tx.xsd">
    <context:annotation-config />

    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="dataSource" ref="shardingDataSource" />
        <property name="jpaVendorAdapter">
            <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" p:database="MYSQL" />
        </property>
        <property name="packagesToScan" value="org.apache.shardingsphere.example.spring.namespace.jpa.entity" />
        <property name="jpaProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
                <prop key="hibernate.hbm2ddl.auto">create</prop>
                <prop key="hibernate.show_sql">true</prop>
            </props>
        </property>
    </bean>
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager" p:entityManagerFactory-ref="entityManagerFactory" />
    <tx:annotation-driven />

    <bean id="ds0" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/ds0" />
        <property name="username" value="root" />
        <property name="password" value="" />
    </bean>

    <bean id="ds1" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/ds1" />
        <property name="username" value="root" />
        <property name="password" value="" />
    </bean>

    <bean id="preciseModuloDatabaseShardingAlgorithm" class="org.apache.shardingsphere.example.spring.namespace.jpa.algorithm.PreciseModuloDatabaseShardingAlgorithm" />
    <bean id="preciseModuloTableShardingAlgorithm" class="org.apache.shardingsphere.example.spring.namespace.jpa.algorithm.PreciseModuloTableShardingAlgorithm" />

    <sharding:standard-strategy id="databaseShardingStrategy" sharding-column="user_id" precise-algorithm-ref="preciseModuloDatabaseShardingAlgorithm" />
    <sharding:standard-strategy id="tableShardingStrategy" sharding-column="order_id" precise-algorithm-ref="preciseModuloTableShardingAlgorithm" />

    <sharding:key-generator id="orderKeyGenerator" type="SNOWFLAKE" column="order_id" />
    <sharding:key-generator id="itemKeyGenerator" type="SNOWFLAKE" column="order_item_id" />

    <sharding:data-source id="shardingDataSource">
        <sharding:sharding-rule data-source-names="ds0,ds1">
            <sharding:table-rules>
                <sharding:table-rule logic-table="t_order" actual-data-nodes="ds$->{0..1}.t_order$->{0..1}" database-strategy-ref="databaseShardingStrategy" table-strategy-ref="tableShardingStrategy" key-generator-ref="orderKeyGenerator" />
                <sharding:table-rule logic-table="t_order_item" actual-data-nodes="ds$->{0..1}.t_order_item$->{0..1}" database-strategy-ref="databaseShardingStrategy" table-strategy-ref="tableShardingStrategy" key-generator-ref="itemKeyGenerator" />
            </sharding:table-rules>
            <sharding:binding-table-rules>
                <sharding:binding-table-rule logic-tables="t_order, t_order_item" />
            </sharding:binding-table-rules>
            <sharding:broadcast-table-rules>
                <sharding:broadcast-table-rule table="t_config" />
            </sharding:broadcast-table-rules>
        </sharding:sharding-rule>
    </sharding:data-source>
</beans>

读写分离

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:master-slave="http://shardingsphere.apache.org/schema/shardingsphere/masterslave"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
                        http://www.springframework.org/schema/beans/spring-beans.xsd 
                        http://www.springframework.org/schema/context 
                        http://www.springframework.org/schema/context/spring-context.xsd
                        http://www.springframework.org/schema/tx 
                        http://www.springframework.org/schema/tx/spring-tx.xsd
                        http://shardingsphere.apache.org/schema/shardingsphere/masterslave  
                        http://shardingsphere.apache.org/schema/shardingsphere/masterslave/master-slave.xsd">
    <context:annotation-config />
    <context:component-scan base-package="org.apache.shardingsphere.example.spring.namespace.jpa" />

    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="dataSource" ref="masterSlaveDataSource" />
        <property name="jpaVendorAdapter">
            <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" p:database="MYSQL" />
        </property>
        <property name="packagesToScan" value="org.apache.shardingsphere.example.spring.namespace.jpa.entity" />
        <property name="jpaProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
                <prop key="hibernate.hbm2ddl.auto">create</prop>
                <prop key="hibernate.show_sql">true</prop>
            </props>
        </property>
    </bean>
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager" p:entityManagerFactory-ref="entityManagerFactory" />
    <tx:annotation-driven />

    <bean id="ds_master" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/ds_master" />
        <property name="username" value="root" />
        <property name="password" value="" />
    </bean>

    <bean id="ds_slave0" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/ds_slave0" />
        <property name="username" value="root" />
        <property name="password" value="" />
    </bean>

    <bean id="ds_slave1" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/ds_slave1" />
        <property name="username" value="root" />
        <property name="password" value="" />
    </bean>

    <bean id="randomStrategy" class="org.apache.shardingsphere.example.spring.namespace.algorithm.masterslave.RandomMasterSlaveLoadBalanceAlgorithm" />
    <master-slave:data-source id="masterSlaveDataSource" master-data-source-name="ds_master" slave-data-source-names="ds_slave0, ds_slave1" strategy-ref="randomStrategy">
            <master-slave:props>
                <prop key="sql.show">${sql_show}</prop>
                <prop key="executor.size">10</prop>
                <prop key="foo">bar</prop>
            </master-slave:props>
    </master-slave:data-source>
</beans>

数据分片 + 读写分离

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:sharding="http://shardingsphere.apache.org/schema/shardingsphere/sharding"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
                        http://www.springframework.org/schema/beans/spring-beans.xsd
                        http://www.springframework.org/schema/context
                        http://www.springframework.org/schema/context/spring-context.xsd
                        http://www.springframework.org/schema/tx
                        http://www.springframework.org/schema/tx/spring-tx.xsd
                        http://shardingsphere.apache.org/schema/shardingsphere/sharding 
                        http://shardingsphere.apache.org/schema/shardingsphere/sharding/sharding.xsd">
    <context:annotation-config />
    <context:component-scan base-package="org.apache.shardingsphere.example.spring.namespace.jpa" />

    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="dataSource" ref="shardingDataSource" />
        <property name="jpaVendorAdapter">
            <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" p:database="MYSQL" />
        </property>
        <property name="packagesToScan" value="org.apache.shardingsphere.example.spring.namespace.jpa.entity" />
        <property name="jpaProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
                <prop key="hibernate.hbm2ddl.auto">create</prop>
                <prop key="hibernate.show_sql">true</prop>
            </props>
        </property>
    </bean>
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager" p:entityManagerFactory-ref="entityManagerFactory" />
    <tx:annotation-driven />

    <bean id="ds_master0" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/ds_master0" />
        <property name="username" value="root" />
        <property name="password" value="" />
    </bean>

    <bean id="ds_master0_slave0" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/ds_master0_slave0" />
        <property name="username" value="root" />
        <property name="password" value="" />
    </bean>

    <bean id="ds_master0_slave1" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/ds_master0_slave1" />
        <property name="username" value="root" />
        <property name="password" value="" />
    </bean>

    <bean id="ds_master1" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/ds_master1" />
        <property name="username" value="root" />
        <property name="password" value="" />
    </bean>

    <bean id="ds_master1_slave0" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/ds_master1_slave0" />
        <property name="username" value="root" />
        <property name="password" value="" />
    </bean>

    <bean id="ds_master1_slave1" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/ds_master1_slave1" />
        <property name="username" value="root" />
        <property name="password" value="" />
    </bean>

    <bean id="randomStrategy" class="org.apache.shardingsphere.example.spring.namespace.algorithm.masterslave.RandomMasterSlaveLoadBalanceAlgorithm" />

    <sharding:inline-strategy id="databaseStrategy" sharding-column="user_id" algorithm-expression="ds_ms$->{user_id % 2}" />
    <sharding:inline-strategy id="orderTableStrategy" sharding-column="order_id" algorithm-expression="t_order$->{order_id % 2}" />
    <sharding:inline-strategy id="orderItemTableStrategy" sharding-column="order_id" algorithm-expression="t_order_item$->{order_id % 2}" />

    <sharding:key-generator id="orderKeyGenerator" type="SNOWFLAKE" column="order_id" />
    <sharding:key-generator id="itemKeyGenerator" type="SNOWFLAKE" column="order_item_id" />

    <sharding:data-source id="shardingDataSource">
        <sharding:sharding-rule data-source-names="ds_master0,ds_master0_slave0,ds_master0_slave1,ds_master1,ds_master1_slave0,ds_master1_slave1">
            <sharding:master-slave-rules>
                <sharding:master-slave-rule id="ds_ms0" master-data-source-name="ds_master0" slave-data-source-names="ds_master0_slave0, ds_master0_slave1" strategy-ref="randomStrategy" />
                <sharding:master-slave-rule id="ds_ms1" master-data-source-name="ds_master1" slave-data-source-names="ds_master1_slave0, ds_master1_slave1" strategy-ref="randomStrategy" />
            </sharding:master-slave-rules>
            <sharding:table-rules>
                <sharding:table-rule logic-table="t_order" actual-data-nodes="ds_ms$->{0..1}.t_order$->{0..1}" database-strategy-ref="databaseStrategy" table-strategy-ref="orderTableStrategy" key-generator-ref="orderKeyGenerator" />
                <sharding:table-rule logic-table="t_order_item" actual-data-nodes="ds_ms$->{0..1}.t_order_item$->{0..1}" database-strategy-ref="databaseStrategy" table-strategy-ref="orderItemTableStrategy" key-generator-ref="itemKeyGenerator" />
            </sharding:table-rules>
            <sharding:binding-table-rules>
                <sharding:binding-table-rule logic-tables="t_order, t_order_item" />
            </sharding:binding-table-rules>
            <sharding:broadcast-table-rules>
                <sharding:broadcast-table-rule table="t_config" />
            </sharding:broadcast-table-rules>
        </sharding:sharding-rule>
    </sharding:data-source>
</beans>

数据分片 + 数据脱敏

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:sharding="http://shardingsphere.apache.org/schema/shardingsphere/sharding"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
                        http://www.springframework.org/schema/beans/spring-beans.xsd
                        http://shardingsphere.apache.org/schema/shardingsphere/sharding 
                        http://shardingsphere.apache.org/schema/shardingsphere/sharding/sharding.xsd
                        http://www.springframework.org/schema/context
                        http://www.springframework.org/schema/context/spring-context.xsd
                        http://www.springframework.org/schema/tx
                        http://www.springframework.org/schema/tx/spring-tx.xsd">
    <import resource="classpath:META-INF/shardingTransaction.xml"/>
    <context:annotation-config />
    <context:component-scan base-package="io.shardingsphere.example.repository.jpa"/>

    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="dataSource" ref="shardingDataSource" />
        <property name="jpaVendorAdapter">
            <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" p:database="MYSQL" />
        </property>
        <property name="packagesToScan" value="io.shardingsphere.example.repository.jpa.entity" />
        <property name="jpaProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
                <prop key="hibernate.hbm2ddl.auto">create-drop</prop>
                <prop key="hibernate.show_sql">true</prop>
            </props>
        </property>
    </bean>
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager" p:entityManagerFactory-ref="entityManagerFactory" />
    <tx:annotation-driven />

    <bean id="demo_ds_0" class="com.zaxxer.hikari.HikariDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/demo_ds_0"/>
        <property name="username" value="root"/>
        <property name="password" value=""/>
        <property name="maxActive" value="16"/>
    </bean>

    <bean id="demo_ds_1" class="com.zaxxer.hikari.HikariDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/demo_ds_1"/>
        <property name="username" value="root"/>
        <property name="password" value=""/>
        <property name="maxActive" value="16"/>
    </bean>

    <sharding:inline-strategy id="databaseStrategy" sharding-column="user_id" algorithm-expression="demo_ds_${user_id % 2}" />
    <sharding:inline-strategy id="orderTableStrategy" sharding-column="order_id" algorithm-expression="t_order_${order_id % 2}" />
    <sharding:inline-strategy id="orderItemTableStrategy" sharding-column="order_id" algorithm-expression="t_order_item_${order_id % 2}" />
    <sharding:inline-strategy id="orderEncryptTableStrategy" sharding-column="order_id" algorithm-expression="t_order_encrypt_${order_id % 2}" />

    <sharding:key-generator id="orderKeyGenerator" type="SNOWFLAKE" column="order_id" />
    <sharding:key-generator id="itemKeyGenerator" type="SNOWFLAKE" column="order_item_id" />

    <bean:properties id="dataProtectorProps">
        <prop key="appToken">business</prop>
    </bean:properties>

    <sharding:data-source id="shardingDataSource">
        <sharding:sharding-rule data-source-names="demo_ds_0, demo_ds_1">
            <sharding:table-rules>
                <sharding:table-rule logic-table="t_order" actual-data-nodes="demo_ds_${0..1}.t_order_${0..1}" database-strategy-ref="databaseStrategy" table-strategy-ref="orderTableStrategy" key-generator-ref="orderKeyGenerator" />
                <sharding:table-rule logic-table="t_order_item" actual-data-nodes="demo_ds_${0..1}.t_order_item_${0..1}" database-strategy-ref="databaseStrategy" table-strategy-ref="orderItemTableStrategy" key-generator-ref="itemKeyGenerator" />
            </sharding:table-rules>
            <sharding:encrypt-rule>
                <sharding:encryptor-rule id="order_encryptor" type="AES" qualified-columns="t_order.order_id" props-ref="dataProtectorProps" />
            </sharding:encrypt-rule>
        </sharding:sharding-rule>
        <sharding:props>
            <prop key="sql.show">true</prop>
        </sharding:props>
    </sharding:data-source>
</beans>

治理

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:orchestration="http://shardingsphere.apache.org/schema/shardingsphere/orchestration"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                           http://www.springframework.org/schema/beans/spring-beans.xsd
                           http://shardingsphere.apache.org/schema/shardingsphere/orchestration
                           http://shardingsphere.apache.org/schema/shardingsphere/orchestration/orchestration.xsd">
    <orchestration:registry-center id="regCenter" type="zookeeper" server-lists="localhost:2181" namespace="orchestration-spring-namespace-demo" operation-timeout-milliseconds="1000" 
    max-retries="3" />
</beans>

配置项说明

分库分表

命名空间：http://shardingsphere.apache.org/schema/shardingsphere/sharding/sharding.xsd

<sharding:data-source />

名称	类型	说明
id	属性	Spring Bean Id
sharding-rule	标签	数据分片配置规则
props (?)	标签	属性配置

<sharding:sharding-rule />

名称	类型	说明
data-source-names	属性	数据源Bean列表，多个Bean以逗号分隔
table-rules	标签	表分片规则配置对象
binding-table-rules (?)	标签	绑定表规则列表
broadcast-table-rules (?)	标签	广播表规则列表
default-data-source-name (?)	属性	未配置分片规则的表将通过默认数据源定位
default-database-strategy-ref (?)	属性	默认数据库分片策略，对应<sharding:xxx-strategy>中的策略Id，缺省表示不分库
default-table-strategy-ref (?)	属性	默认表分片策略，对应<sharding:xxx-strategy>中的策略Id，缺省表示不分表
default-key-generator-ref (?)	属性	默认自增列值生成器引用，缺省使用`org.apache.shardingsphere.core.keygen.generator.impl.SnowflakeKeyGenerator`
encrypt-rule (?)	标签	脱敏规则

<sharding:table-rules />

名称	类型	说明
table-rule (+)	标签	表分片规则配置对象

<sharding:table-rule />

名称	类型	说明
logic-table	属性	逻辑表名称
actual-data-nodes (?)	属性	由数据源名 + 表名组成，以小数点分隔。多个表以逗号分隔，支持inline表达式。缺省表示使用已知数据源与逻辑表名称生成数据节点。用于广播表（即每个库中都需要一个同样的表用于关联查询，多为字典表）或只分库不分表且所有库的表结构完全一致的情况
database-strategy-ref (?)	属性	数据库分片策略，对应<sharding:xxx-strategy>中的策略Id，缺省表示使用<sharding:sharding-rule />配置的默认数据库分片策略
table-strategy-ref (?)	属性	表分片策略，对应<sharding:xxx-strategy>中的策略Id，缺省表示使用<sharding:sharding-rule />配置的默认表分片策略
key-generator-ref (?)	属性	自增列值生成器引用，缺省表示使用默认自增列值生成器
logic-index (?)	属性	逻辑索引名称，对于分表的Oracle/PostgreSQL数据库中DROP INDEX XXX语句，需要通过配置逻辑索引名称定位所执行SQL的真实分表

<sharding:binding-table-rules />

名称	类型	说明
binding-table-rule (+)	标签	绑定表规则

<sharding:binding-table-rule />

名称	类型	说明
logic-tables	属性	绑定规则的逻辑表名，多表以逗号分隔

<sharding:broadcast-table-rules />

名称	类型	说明
broadcast-table-rule (+)	标签	广播表规则

<sharding:broadcast-table-rule />

名称	类型	*说明
table	属性	广播规则的表名

<sharding:standard-strategy />

名称	类型	说明
id	属性	Spring Bean Id
sharding-column	属性	分片列名称
precise-algorithm-ref	属性	精确分片算法引用，用于=和IN。该类需实现PreciseShardingAlgorithm接口
range-algorithm-ref (?)	属性	范围分片算法引用，用于BETWEEN。该类需实现RangeShardingAlgorithm接口

<sharding:complex-strategy />

名称	类型	说明
id	属性	Spring Bean Id
sharding-columns	属性	分片列名称，多个列以逗号分隔
algorithm-ref	属性	复合分片算法引用。该类需实现ComplexKeysShardingAlgorithm接口

<sharding:inline-strategy />

名称	类型	说明
id	属性	Spring Bean Id
sharding-column	属性	分片列名称
algorithm-expression	属性	分片算法行表达式，需符合groovy语法

<sharding:hint-database-strategy />

名称	类型	说明
id	属性	Spring Bean Id
algorithm-ref	属性	Hint分片算法。该类需实现HintShardingAlgorithm接口

<sharding:none-strategy />

名称	类型	说明
id	属性	Spring Bean Id

<sharding:key-generator />

名称	类型	说明
column	属性	自增列名称
type	属性	自增列值生成器类型，可自定义或选择内置类型：SNOWFLAKE/UUID
props-ref	属性	属性配置, 注意：使用SNOWFLAKE算法，需要配置worker.id与max.tolerate.time.difference.milliseconds属性

<sharding:encrypt-rules />

名称	类型	说明
encryptor-rule (+)	标签	加解密器配置对象

<sharding:encryptor-rule />

名称	类型	说明
type	属性	加解密器类型，可自定义或选择内置类型：MD5/AES
qualified-columns	属性	加解密字段，格式为：表名.列名，例如：tb.col1。多个列，请用逗号分隔
assisted-query-columns	属性	辅助查询字段，针对ShardingQueryAssistedEncryptor类型的加解密器进行辅助查询
props-ref	属性	属性配置, 注意：使用AES加密器，需要配置AES加密器的KEY属性：aes.key.value

<sharding:props />

名称	类型	说明
sql.show (?)	属性	是否开启SQL显示，默认值: false
executor.size (?)	属性	工作线程数量，默认值: CPU核数
max.connections.size.per.query (?)	属性	每个物理数据库为每次查询分配的最大连接数量。默认值: 1
check.table.metadata.enabled (?)	属性	是否在启动时检查分表元数据一致性，默认值: false

读写分离

命名空间：http://shardingsphere.apache.org/schema/shardingsphere/masterslave/master-slave.xsd

<master-slave:data-source />

名称	类型	说明
id	属性	Spring Bean Id
master-data-source-name	属性	主库数据源Bean Id
slave-data-source-names	属性	从库数据源Bean Id列表，多个Bean以逗号分隔
strategy-ref (?)	属性	从库负载均衡算法引用。该类需实现MasterSlaveLoadBalanceAlgorithm接口
strategy-type (?)	属性	从库负载均衡算法类型，可选值：ROUND_ROBIN，RANDOM。若`strategy-ref`存在则忽略该配置
props (?)	标签	属性配置

<master-slave:props />

名称	类型	说明
sql.show (?)	属性	是否开启SQL显示，默认值: false
executor.size (?)	属性	工作线程数量，默认值: CPU核数
max.connections.size.per.query (?)	属性	每个物理数据库为每次查询分配的最大连接数量。默认值: 1
check.table.metadata.enabled (?)	属性	是否在启动时检查分表元数据一致性，默认值: false

数据分片 + 治理

命名空间：http://shardingsphere.apache.org/schema/shardingsphere/orchestration/orchestration.xsd

<orchestration:sharding-data-source />

名称	类型	说明
id	属性	ID
data-source-ref (?)	属性	被治理的数据库id
registry-center-ref	属性	注册中心id
overwrite	属性	本地配置是否覆盖注册中心配置。如果可覆盖，每次启动都以本地配置为准。缺省为不覆盖

读写分离 + 治理

命名空间：http://shardingsphere.apache.org/schema/shardingsphere/orchestration/orchestration.xsd

<orchestration:master-slave-data-source />

名称	类型	说明
id	属性	ID
data-source-ref (?)	属性	被治理的数据库id
registry-center-ref	属性	注册中心id
overwrite	属性	本地配置是否覆盖注册中心配置。如果可覆盖，每次启动都以本地配置为准。缺省为不覆盖

治理注册中心

命名空间：http://shardingsphere.apache.org/schema/shardingsphere/orchestration/orchestration.xsd

<orchestration:registry-center />

名称	类型	说明
id	属性	注册中心的Spring Bean Id
type	属性	注册中心类型。如：zookeeper
server-lists	属性	连接注册中心服务器的列表。包括IP地址和端口号。多个地址用逗号分隔。如: host1:2181,host2:2181
namespace (?)	属性	注册中心的命名空间
digest (?)	属性	连接注册中心的权限令牌。缺省为不需要权限验证
operation-timeout-milliseconds (?)	属性	操作超时的毫秒数，默认500毫秒
max-retries (?)	属性	连接失败后的最大重试次数，默认3次
retry-interval-milliseconds (?)	属性	重试间隔毫秒数，默认500毫秒
time-to-live-seconds (?)	属性	临时节点存活秒数，默认60秒
props-ref (?)	属性	配置中心其它属性

Sharding-JDBC-Spring命名空间配置

SPRING命名空间配置

注意事项

配置示例

数据分片

读写分离

数据分片 + 读写分离

数据分片 + 数据脱敏

治理

配置项说明

分库分表

<sharding:data-source />

<sharding:sharding-rule />

<sharding:table-rules />

<sharding:table-rule />

<sharding:binding-table-rules />

<sharding:binding-table-rule />

<sharding:broadcast-table-rules />

<sharding:broadcast-table-rule />

<sharding:standard-strategy />

<sharding:complex-strategy />

<sharding:inline-strategy />

<sharding:hint-database-strategy />

<sharding:none-strategy />

<sharding:key-generator />

<sharding:encrypt-rules />

<sharding:encryptor-rule />

<sharding:props />

读写分离

<master-slave:data-source />

<master-slave:props />

数据分片 + 治理

<orchestration:sharding-data-source />

读写分离 + 治理

<orchestration:master-slave-data-source />

治理注册中心

<orchestration:registry-center />

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