iphone強制旋轉螢幕
iPhone’s automatic screen rotation is convenient. However, it is annoying under some situation, such as reading email in the bed. Fortunately, starting from iOS 4/iOS 5, iOS has an option to lock the screen rotation.
iPhone的自動螢幕旋轉非常友善。 但是，在某些情況下很煩人，例如在床上閱讀電子郵件 。 幸運的是，從iOS 4 / iOS 5開始，iOS可以鎖定螢幕旋轉。
A screenshot on iPhone (which worths a thousands words):
iPhone上的螢幕截圖（價值一千個字）：
對于iOS 7和iOS 8∞ (For iOS 7 and iOS 8 ∞)
對于舊版本的iOS∞ (For older versions of iOS ∞)
It is a little tricky to find it out on older version of iOS.
在舊版本的iOS上找到它有點棘手。
This option is hidden in the multitasking bar. Yes. It’s there. Double click the home button, swipe right till the most left screen and the icon to lock screen rotation is on the most left.
此選項隐藏在多工作列中。 是。 在那裡。 輕按兩下主螢幕按鈕，向右滑動直到螢幕最左側，并且用于鎖定螢幕旋轉的圖示位于最左側。
On older versions of iOS (iOS 4 to iOS 5):
在舊版iOS（iOS 4至iOS 5）上：
翻譯自: https://www.systutorials.com/locking-iphone-screen-rotation/
iphone強制旋轉螢幕