用户需求驱动式的开发方法
引言：开发者应该如何处理研发中的需求？在快速迭代的开发过程应该分为哪几个阶段？在一个快节奏的开发过程中，如何建立一个质量保障体系？七牛CEO许式伟在MDCC上的讲座《用户需求驱动式的开发方法》分享了他在开发过程中的一些心得。
许式伟：大家好，先自我介绍一下，我叫许式伟，刚才主持人大概也介绍了一下，最早在金山做WPS Office ，2007年在金山实验室主要做存储相关的技术研究，2008年底加入了百度做网页搜索，2009年、2011年在盛大做存储相关的，2011年到现在在七牛，这是整个的经历。
今天想分享七牛的研发方式，我们总体的总结式需求驱动的研发历程。这种方式有一个原则，就是功能需要和需求，功能和需求是要有一个对应关系，也就是说，如果一个功能是没有用户场景的话，我们认为这个是非常不可思议的。所以我们有一个原则，没有用户反馈过的需求是不做的，这样的功能如果对应不到用户的应用场景是不做的，哪怕你觉得这个功能确实很酷，也可能很多人用，但是没有任何人提过，说明这个事情并不重要。这是功能和用户场景的一个对应关系，也是需求驱动研发的核心思想。
第二个，是不是用户反馈过的所有需求都要做呢？这个我们认为并不是这样子，而是说产品应该有一个非常明确的边界，在这个边界之内，因为一个产品发布之后必然会吸引着非常非常多的人使用，在使用的过程中，会有一些伪用户出现，也就是说实际上并不是你想要打动的用户群体，但是它可能对你这个产品有误解，就订了。所以我们认为应该围绕着需求驱动的核心想法上，首先要有一个产品定向的用户产品来定义，在这个定义的框架下，我们再探讨是不是这个用户的需求是值得做的。所以我们会根据用户反馈的需求来结合产品的定位，要分出这是一个不错的功能还是说这是一个优先级的，还是这是非常高的优先级的。所以我们认为需求驱动研发很重要的思想是产品要有一个明确的边界，以这个边界来确定功能是否做以及做的优先级是什么。
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