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Intent（定义） Encapsulate a request as an object, thereby letting you parameterize clients with different requests, queue or log requests, and support un 阅读全文
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spring下载和gradle下载https://www.jianshu.com/p/27d660a84737参考上述，下载spring源码和gradle工具。 配置文件修改https://blog.csdn.net/weixin_42405670/article/details/124958740 阅读全文
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Intent （定义） Avoid coupling the sender of a request to its receiver by giving more than one object a chance to handle the request. Chain the receiving 阅读全文
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Intent （定义） Provide a surrogate or placeholder for another object to control access to it.（为另一个对象提供代理或占位符，以控制对它的访问。） Also Known As （别名） Surrogate Moti 阅读全文
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Intent （定义） Use sharing to support large numbers of fine-grained objects efficiently（使用共享可以有效地支持大量的细粒度对象。） Motivation （详细说明） 如下图所示，这是一个文档编辑器，有字符对象，列对象 阅读全文
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Intent （定义） Provide a unified interface to a set of interfaces in a subsystem. Facade defines a higher-level interface that makes the subsystem easier 阅读全文
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Intent （定义） Attach additional responsibilities to an object dynamically. Decorators provide a flexible alternative to subclassing for extending functi 阅读全文
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Intent （定义） Compose objects into tree structures to represent part-whole hierarchies. Composite lets clients treat individual objects and compositions 阅读全文
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Intent （定义） Decouple an abstraction from its implementation so that the two can vary independently. （从实现中分离出抽象，使两者可以独立变化） Also Known As （别名） Handle/Bo 阅读全文
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Intent （定义） Convert the interface of a class into another interface clients expect. （将一个接口转换为客户端希望的另一个接口）Adapter lets classes work together that could 阅读全文