January 2012
Intermediate to advanced
584 pages
11h 56m
Chinese
Content preview from 操作介面設計模式 第二版
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模式
|
179
反應式內容揭露（
Responsive Disclosure
）
圖
4
-
54
AutoTrader
這是什麼
從一個非常小的 UI 開始，使用者每完成一個步驟，就顯示更多 UI，以此逐步帶領
使用者完成一系列步驟。
何時使用
用在使用者應該逐步完成一項複雜的任務時；或許因為這是項新任務、或是很難得
要做的事、又或者超出使用者的專業知識範疇。但是你不希望強迫使用者一頁又一
頁地完成每個步驟 — 你希望把整個介面放在單一頁面中。
另一種狀況則是任務可能有分支；根據使用者稍早的選擇，在任務「下游」可能需
要不同型態的資訊。
為何使用
在此模式中，介面看起來像是在使用者面前逐漸「建立」出來的，一次一個步驟。
剛開始，使用者只看到第一個步驟的必要元素。完成步驟後，下一組元素就會顯示
出來（之前的元素依然顯示）；完成後再顯示下一組，依此類推。
當使用者看到任務在他面前、透過一個動態擴增的 UI 直接展開，他能更快且更容
易地形成關於任務的正確心智模型。在這裡，沒有換到下一個精靈畫面時笨拙的環
境背景切換：當使用者猛然被抽離工作流程，突然跳入一組死板僵硬、一次只顯示
一個畫面的情境對話框時，感覺上好像負擔比較重，比起一直陪伴在使用者工作環
境中的 UI 來得困難。
DI_2e_ch04.indd 179 2012/1/5 下午 03:46:37
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第四章
還有，因為 UI 保留在同一個頁面上，使用者可以輕易地回頭改變稍早的提擇。在
重做每一個步驟時，他可以立即看到後續步驟如何受到影響。這比在缺乏
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.