SpringBoot实现【动态数据源配置】这一篇就够了

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
import javax.sql.DataSource;
import java.util.Map;
import java.util.HashMap;
import com.zaxxer.hikari.HikariDataSource;
 
@Component
@ConfigurationProperties(prefix = "spring.datasource")
public class DynamicDataSource {
 
    private Map<String, DataSource> datasource = new HashMap<>();
 
    public DataSource getDataSource(String dataSourceName) {
        return datasource.get(dataSourceName);
    }
 
    public void setDataSource(String dataSourceName, DataSource dataSource) {
        datasource.put(dataSourceName, dataSource);
    }
 
    public Map<String, DataSource> getDatasources() {
        return datasource;
    }
 
    public void setDatasource(Map<String, DataSource> datasource) {
        this.datasource = datasource;
    }
 
    public DataSource createDataSource(DataSourceProperties dataSourceProperties) {
        HikariDataSource dataSource = new HikariDataSource();
        dataSource.setDriverClassName(dataSourceProperties.getDriverClassName());
        dataSource.setJdbcUrl(dataSourceProperties.getUrl());
        dataSource.setUsername(dataSourceProperties.getUsername());
        dataSource.setPassword(dataSourceProperties.getPassword());
        // 其他HikariDataSource的配置...
        return dataSource;
    }
}
 
// 使用示例
// DynamicDataSource dynamicDataSource = new DynamicDataSource();
// DataSource dataSource = dynamicDataSource.createDataSource(dataSourceProperties);
// dynamicDataSource.setDataSource("myDataSource", dataSource);

这个示例代码展示了如何在SpringBoot应用中创建一个动态数据源，并且如何使用HikariCP作为数据库连接池。这个类可以用来在运行时根据不同的数据源配置创建并注册数据源。在实际使用时，你需要根据你的配置来调整DataSourceProperties的获取方式。