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03.配置多数据源.md879 B
--- title: "配置多数据源" date: "2022-01-29T20:51:19.000Z" permalink: "/pages/base/datasource/" --- # 在线配置多数据源 # 后台配置多数据源 @Bean public MagicDynamicDataSource magicDynamicDataSource(){ MagicDynamicDataSource dynamicDataSource = new MagicDynamicDataSource(); dynamicDataSource.setDefault(ds1); // 设置默认数据源 dynamicDataSource.add("slave",ds2); return dynamicDataSource; } # 运行时Java动态配置数据源 在运行时只可以通过注入MagicDynamicDataSource对象来修改数据源信息 @Autowired private MagicDynamicDataSource magicDynamicDataSource; // 此时可以通过调用magicDynamicDataSource的相关方法实现数据源的动态修改。 # 切换数据源 使用代码db.数据源key来切换 db.db1.select('sql') db['db1'].select('sql') var dbKey = 'db2' db[dbKey].select('sql')

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