http://www.cocoachina.com/bbs/read.php?tid=56126&page=1php
http://www.cocoachina.com/bbs/read.php?tid=25118&page=1web
已經發現錯在哪了,汗,懷疑lz是否是沒測試過上傳,委託方法的名字寫錯了,- (void)compar:(NSStream *)aStream handleEvent:(NSStreamEvent)eventCode,應該寫成- (void)stream:(NSStream *)aStream handleEvent:(NSStreamEvent)eventCode,但願之後有人下這個DEMO的時候注意一下測試