http://potter528.bj.bdysite.com

self.playlist為播放數(shù)組

MusicInfo is Model

 dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
        
        //每次調(diào)用該獲取接口內(nèi)容的方法,先清除播放列表中的舊數(shù)據(jù)
        [self.playlist removeAllObjects];
        
        NSArray *temparr = [NSArray arrayWithContentsOfURL:[NSURL URLWithString:kPlaylistURL]];
        
        for (NSDictionary *dic in temparr) {
            //創(chuàng)建Music對(duì)象
            MusicInfo *music = [MusicInfo new];
            
            [music setValuesForKeysWithDictionary:dic];
            
            [self.playlist addObject:music];
        }
        dispatch_async(dispatch_get_main_queue(), ^{
            //在主線程進(jìn)行操作
            handler();
        });
    });