下面是如何创建字典:
NSDictionary *dictionary =
[NSDictionary dictionaryWithObject: voiceMemo forKey:@"voiceMemo"];
同样的结果
NSDictionary *dictionary =
[NSDictionary dictionaryWithObject: (NSData *) voiceMemo forKey:@"voiceMemo"];
但是:
NSDictionary *dictionary =
[NSDictionary dictionaryWithObject: voiceMemo.attribute forKey:@"attribute"];
NSDictionary
应该能够存储数据对象
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