GraphQL 在酒店系統上的實踐

{"type":"doc","content":[{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"1 問題由來"}]},{"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":"關於我們 Node 服務產生了什麼問題，爲什麼會出現這些問題，以及爲何需要採用 GraphQL 去解決這些問題，是一個值得探究的過程。下面，我將從服務架構入手，簡單介紹一下項目背景，而後通過幾個案例，讓大家更形象的理解我們現在的問題是如何產生的。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"1.1 服務架構簡介"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https:\/\/static001.infoq.cn\/resource\/image\/b0\/24\/b0731507d4c6d982d138105c53ba6024.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":false}},{"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":"左邊方框內屬於我們前端團隊的服務，右邊屬於後端服務。這裏只是比較粗糙的架構，省略了一些負載均衡等細節，對於我司國內酒店服務來說，這裏的圖示就足以解釋說明我們的問題。"}]},{"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":"而我們 Node 組，是處於承接上下游的一個位置，是屬於直接服務於前端的後端，也就是所謂的 BFF 層，關於這個架構的形成過程，我後面會展開解釋。"}]},{"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":"就目前而言，我們的主要職責是多端適配，UI 適配，版本控制，下發一些AB實驗，日誌收集等。"}]},{"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":"雖然我上面說了許多職能，但是我認爲我們最核心的職能，其實就是負責給客戶端同學輸送數據，那麼我們輸送數據的過程中會產生什麼問題？爲什麼會產生這些問題，下面讓我來舉例說明一下。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"1.2 案例一：數據定製困難"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}}]}