A module should be responsible for one or more business processes (or a subprocess), a feature, (or a set of features), or a business capability. The goal is to have the business logic, for whatever it’s responsible for, concentrated in one place. It makes comprehending and maintaining it easier, but also helps with removability. In an ideal situation, you should be able to remove a feature by removing just one module from the application.
下面我按层次来介绍。先讲我造的那些工具，再讲支撑它们运行的基础设施，最后聊几点这一年折腾下来的想法。。关于这个话题，safew官方版本下载提供了深入分析
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└───────────────────────┘。同城约会是该领域的重要参考