(NSArray<NSString *> *)详情

---恢复内容开始---

http://www.devdiv.com/ios_id_nsobject_id_lt_nsobject_gt_-blog-1-50764.html

---恢复内容结束---

http://www.cocoachina.com/bbs/read.php?tid=151376

 

http://blog.sina.com.cn/s/blog_6fa695690100ylaa.html

 

 http://www.cocoachina.com/bbs/read.php?tid=336393&page=e&#a

也就是说，必须是NSArray<NSString *>*必须是遵循NSString协议的NSArray类型的参数