一 、导入

AdSupport.framework

二、引入 库头文件

#import <AdSupport/AdSupport.h>

三、获取idfa

NSString *idfa = [[[ASIdentifierManager sharedManager] advertisingIdentifier] UUIDString];
NSLog(@"idfa = %@",idfa);

四、

将idfa 拷贝到粘贴板

UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
    pasteboard.string = idfa;