高效程序員的45個習慣：敏捷開發修煉之道（4）

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"溝通是項目順利完成的基礎，達成共識是項目順利完成的保障。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"問題一、編碼過程中發現需求有問題，怎麼辦？"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"不能只站在開發的角度上來解決問題，要從業務的角度來做決策。在需求評審會上，我們沒辦法找出所有問題，有些問題只有在編碼的過程中才會發現。這個時候最好的方式主動發起一個小範圍的會議，產品負責人、開發負責人、項目經理一起討論，先詳細地解釋遇到的問題，並一起討論後做出決定。如果早上有晨會，可以在晨會上把問題拋出來，確定討論任務和時間，但不做討論。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"問題二、敏捷開發就是不需要寫文檔？"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"錯了，敏捷開發宣導的是“不要在前期做大量的設計”並不是說不要設計，這裏的設計分兩層，戰略和戰術。敏捷要求做好戰略設計，設計關鍵流程。它能幫你深入理解需求。戰略設計要求把總體框架描述清楚，而不需要深入到具體的細節。因爲你當前需求的設計是基於當前對需求的理解，一旦開始編碼，很多理解都會改變，設計和代碼實現都是會變化的。所以爲了避免前期設計時間過長，只做戰略設計。具體哪些文檔寫，哪些不寫，可以根據自己部門的情況來達成共識。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"問題三、如何知道一個設計是好的設計？"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"代碼很自然地爲設計的好壞提供了最好的反饋。如果需求有了小的變化，它是否仍然容易去實現？如果小的需求變化就帶來一大批基礎代碼的重構，那麼設計就是需要改進的。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"問題四、新技術層出不窮，如何決策要不要選擇一個新的技術？"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"根據自己的需求來選擇技術。首先你得明確你需要什麼，要解決什麼問題。根據具體的問題來評估使用新技術。其次，要了解新技術的利弊，每一個技術都是有侷限性的。最適合的纔是最好的。最後，你要清楚使用新技術需要付出的代價。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"會議討論必備工具：白板。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}}]}