NSString中%@%d的名称

gad*_*tmo 4 string cocoa cocoa-touch objective-c nsstring

Objective C中有哪些内容? @"%@" @"%d" @"%i"

0x8*_*00d 11

它们被称为格式说明符,也可以称为"跟随变量的字符串中的占位符".

https://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/Strings/Articles/formatSpecifiers.html