ModeConfiguration modeConfig = // 构建运行模式
Map<String, DataSource> dataSourceMap = createDataSources();
Collection<RuleConfiguration> ruleConfigs = ... // 构建具体规则
Properties props = ... // 构建属性配置
DataSource dataSource = ShardingSphereDataSourceFactory.createDataSource(databaseName, modeConfig, dataSourceMap, ruleConfigs, props);
    Map<String, DataSource> dataSourceMap = new HashMap<>();
    // 配置第 1 个数据源
    HikariDataSource dataSource1 = new HikariDataSource();
    dataSource1.setDriverClassName("com.mysql.jdbc.Driver");
    dataSource1.setJdbcUrl("jdbc:mysql://localhost:3306/ds_1");
    dataSource1.setUsername("root");
    dataSource1.setPassword("");
    // 配置第 2 个数据源
    HikariDataSource dataSource2 = new HikariDataSource();
    dataSource2.setDriverClassName("com.mysql.jdbc.Driver");
    dataSource2.setJdbcUrl("jdbc:mysql://localhost:3306/ds_2");
    dataSource2.setUsername("root");
    dataSource2.setPassword("");