四大宣言
- 个体和互动 更优于 流程和工具
- 工作的软件 更优于 详尽的文档
- 和客户合作 更优于 与客户谈判
- 响应变化 更优于 遵循计划
备注:所谓优于并没有绝对衡量点。是相对,并不死板,根据项目和具体情况而定。
十二准则
- 准则1:Our highest priority is to satisfy the customer through early and continuous delivery of valuable software.我们的最高目标是,通过尽早和持续地交付有价值的软件来满足客户。
- 准则2:Welcome changing requirements, even late in development. Agile processes harness change for the customer's competitive advantage.欢迎对需求提出变更——即使是在项目开发后期。要善于利用需求变更,帮助客户获得竞争优势。
- 准则3:Deliver working software frequently, from a couple of weeks to a couple of mouths, with a preference for the shorter timescale.要不断交付可用的软件,周期从几周到几个月不等,且越短越好。
- 准则4:Business people and developers must work together daily throughout the project.项目过程中,业务人员与开发人员必须在一起工作。
- 准则5:Build projects around motivated individuals. Give them the environment and support they need, and trust them to get the job done. 要善于激励项目人员,给他们以所需要的环境和支持,并相信他们能够完成任务。
- 准则6:The most efficient and effective method of conveying information to and within a development team is face-to-face conversation.无论是团队内还是团队间,最有效的沟通方法是面对面的交谈。
- 准则7:Working software is the primary measure of progress.可用的软件是衡量进度的主要指标。
- 准则8:Agile processes promote sustainable development. The sponsors, developers, and users should be able to maintain a constant pace indefinitely.敏捷过程提倡可持续的开发。项目方、开发人员和用户应该能够保持恒久稳定的进展速度。
- 准则9:Continuous attention to technical excellence and good design enhances agility.对技术的精益求精以及对设计的不断完善将提升敏捷性。
- 准则10:Simplicity--the art of maximizing the amount of work not done--is essential.要做到简洁,即尽最大可能减少不必要的工作。这是一门艺术。
- 准则11:The best architectures, requirements, and designs emerge from self-organizing teams. 最佳的架构、需求和设计出自于自组织的团队。
- 准则12:At regular intervals, the team reflects on how to become more effective, then tunes and adjusts its behavior accordingly. 团队要定期反省如何能够做到更有效,并相应地调整团队的行为。