4
我有这样的代码效果很好,但我不知道这是否是调用stringWithFormat正确的方式,因为在文档%d是int和我传递一个长:这是调用stringWithFormat时长时间使用的正确说明符吗?
long seconds = (long)[[NSDate date]timeIntervalSince1970];
NSString *unixTimestamp = [NSString stringWithFormat:@"date=%d", seconds];
谢谢提前!
http://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/Strings/Articles/formatSpecifiers.html –