ios下自訂字型

文檔：Applications that want to use custom fonts can now include those fonts
in their application bundle and register those fonts with the system by including the UIAppFonts key in their Info.plist file.
The value of this key is an array of strings identifying the font files in the application’s bundle. When the system sees the key, it loads the specified fonts and makes them available to the application.

只需要在info.plist中添加UIAppFonts即可，然後在array中添加字型名即可，可添加多個字型。這項特性是3.2添加到sdk中的，3.2以前的版本無法使用。注意：ios5之前好像不支援otf格式的字型，所以最好用ttf格式的字型