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来源：互联网发布：python if 不等于编辑：程序博客网时间：2024/06/04 22:50

//获取本地所有文件名称数组
NSFileManager * fileManager = [NSFileManager defaultManager];
NSArray * tempFileList = [[NSArray alloc] initWithArray:[fileManager contentsOfDirectoryAtPath:FILEPATH error:nil]];

//获取播放的本地URLNSString *path = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];path = [path stringByAppendingFormat:@"/%@%@",_currentMusic.title,@".mp3"];NSString *LocolMusic = [NSString stringWithFormat:@"%@%@",_currentMusic.title,@".mp3"];if (![tempFileList containsObject:LocolMusic]) {    TimerDisappearAlertView *timer = [[TimerDisappearAlertView alloc] initWithTitle:@"本地文件损坏"];    [timer show];     [sender setTitle:@"Play" forState:UIControlStateNormal];    return;}//大按钮点进来if (_index == -1) {    if (self.array == nil) {         [sender setTitle:@"Play" forState:UIControlStateNormal];        TimerDisappearAlertView *timer =[[TimerDisappearAlertView alloc] initWithTitle:@"快去选歌曲吧"];        [timer show];    }    else    {        if ([playerHelper shareHelper].isPlaying == YES) {            [[playerHelper shareHelper] stop];            self.imgView.transform = CGAffineTransformMakeRotation(0);            UIImage *image = [UIImage imageNamed:@"linkedin_128px_1069741_easyicon.net"];            sender.imageView.image = image;            [sender setTitle:@"Play" forState:UIControlStateNormal];        }        else        {            [[playerHelper shareHelper] play];            UIImage *image = [UIImage imageNamed:@"music_57.72972972973px_1160820_easyicon.net"];            sender.imageView.image = image;            [sender setTitle:@"Pause" forState:UIControlStateNormal];            TimerDisappearAlertView *timer =[[TimerDisappearAlertView alloc] initWithTitle:@"暂停下载"];            [timer show];        }    }    return;}//普通播放if ([playerHelper shareHelper].isPlaying == YES) {    [[playerHelper shareHelper] stop];    self.imgView.transform = CGAffineTransformMakeRotation(0);    UIImage *image = [UIImage imageNamed:@"linkedin_128px_1069741_easyicon.net"];    sender.imageView.image = image;     [sender setTitle:@"Play" forState:UIControlStateNormal];}else{        [[playerHelper shareHelper] play];        UIImage *image = [UIImage imageNamed:@"music_57.72972972973px_1160820_easyicon.net"];        sender.imageView.image = image;        [sender setTitle:@"Pause" forState:UIControlStateNormal];    }

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