OC代码这样的
AVFile *species = [obj objectForKey:@"biologyImage"];
NSLog(@"%@",species.url);
我看到图片储存时候好像为数组,里面含有一个字典
错误:
Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSArrayM url]: unrecognized selector sent to instance 0x60000223d7a0'