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每次插件加载时（包括安装和插件模块启动时），相关数据库管理器会将数据库访问器注入给插件，插件可以直接操作自己的数据库表，处理字段修改的兼容

修改表结构的兼容方案可以参考： 数据库读写修改表结构的兼容方案可以参考其他文档


接口使用

扩展权限实体接口

Code Block
languagejava
/**
 * Created by loy on 2018/8/22.
 *
 * 用于插件注册扩展权限实体的接口
 */
public interface AuthorityExpandTypesProvider extends Mutable, DBInjectable {

    String XML_TAG = "AuthorityExpandTypesProvider";

    int CURRENT_LEVEL = 1;

    /**
     * 注册权限扩展
     */
    AuthorityExpanderProvider[] registerProviders();
}

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