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摘要： Multiple Application Layers 多种应用层 DDD helps to deal with complexity when your system is large. Especially, if there are multiple applications are bein 阅读全文

摘要： Domain Logic & Application Logic 领域逻辑&应用逻辑 As mentioned before, Business Logic in the Domain Driven Design is split into two parts (layers): Domain Lo 阅读全文

摘要： Updating / Manipulating An Entity 更新/使用实体 Once an entity is created, it is updated/manipulated by the use cases until it is deleted from the system. T 阅读全文

摘要： Example Use Cases 用例案例 This section will demonstrate some example use cases and discuss alternative scenarios. 本节将展示一些用例案例，并讨论替代方案。 Entity Creation 创建 阅读全文

摘要： a perfect place for relaxation 放松/休养的好地方 environmental protection 环境保护 luxury car 豪车 reach for the ball 够球 see a doctor 看病 fail the exam 考试不及格 the ind 阅读全文

摘要： Data transfer Objects 数据传输对象 A DTO is a simple object that is used to transfer state (data) between the Application and Presentation Layers. So,Applic 阅读全文

摘要： Application Services 应用服务 An Application Service is a stateless service that implements use cases of the application. An application service typically 阅读全文

摘要： Domain Services 领域服务 Domain Services implement domain logic which; 领域服务实现了领域逻辑，其中： Depends on services and repositories. 取决于服务和存储库。 Needs to work with 阅读全文

摘要： Specifications 基本原则 A specification is a named, reusable, combinable and testable class to filter the Domain Objects based on the business rules. 一个规范 阅读全文

摘要： Repositories 存储层 A Repository is a collection-like interface that is used by the Domain and Application Layers to access to the data persistence syste 阅读全文