spring boot+sharding-sphere+mybatis plus实现分表分库

1、添加依赖



   io.shardingsphere
   sharding-jdbc-core
   3.1.0

2、配置

@Configuration
public class ShardingJDBCConfiguration  {
    @Bean(name ="ds_0")
    public DataSource dataSource0(){
        PooledDataSource dataSource = new PooledDataSource();
        try{
            dataSource.setUsername("root");
            dataSource.setPassword("");
            dataSource.setDriver("com.mysql.jdbc.Driver");
            dataSource.setUrl("jdbc:mysql://localhost:3306/mytest?serverTimezone=UTC");
        } catch (Exception e){

        }
        return dataSource;
    }

    @Primary
    @Bean(name="shardingDataSource")
    public DataSource getDataSource(@Qualifier("ds_0") DataSource ds_0) throws SQLException {
        ShardingRuleConfiguration shardingRuleConfig = new ShardingRuleConfiguration();
        //分表策略
        shardingRuleConfig.getTableRuleConfigs().add(remarkRuleConfig());
        Map dataSourceMap = new HashMap<>();
        dataSourceMap.put("ds_0", ds_0);
        Properties properties = new Properties();
        properties.setProperty("sql.show", Boolean.TRUE.toString());
        return ShardingDataSourceFactory.createDataSource(dataSourceMap, shardingRuleConfig, new ConcurrentHashMap<>(), properties);
    }

    private TableRuleConfiguration remarkRuleConfig() {
        // 配置address表规则
        TableRuleConfiguration tableRuleConfig = new TableRuleConfiguration();
        tableRuleConfig.setLogicTable("logtable");
        tableRuleConfig.setActualDataNodes("ds_0.logtable_${1..2}");
//        tableRuleConfig.setKeyGeneratorColumnName("id");
        // 配置分库 + 分表策略
        tableRuleConfig.setTableShardingStrategyConfig(new InlineShardingStrategyConfiguration("remark", "logtable_${remark % 2}"));
        return tableRuleConfig;
    }

    @Bean(name = "shardSqlSessionFactory")
    public MybatisSqlSessionFactoryBean shardSqlSessionFactory(@Qualifier("shardingDataSource") DataSource dataSource) throws Exception {
        MybatisSqlSessionFactoryBean  bean = new MybatisSqlSessionFactoryBean ();
        bean.setDataSource(dataSource);
        bean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath*:mapper/*.xml"));
        return bean;
    }

}

3、根据需求实现自己的业务代码

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