我们在进行iOS开发时，经常会遇到一些某名的错误，程序一运行，就会退到main函数中报错，搞的我们一头雾水! 例如： -[__NSArrayM isEqualToString:]: unrecognized selector sent to instance 0x661de40*** Terminating app due to uncaught exception 'NSInvalid

//联系人:石虎  QQ: 1224614774昵称:嗡嘛呢叭咪哄 一、源代码 NSDictionary * dic  = [NSJSONSerialization JSONObjectWithData:responseObject options:NSJSONReadingMutableContainers error:nil]; NSLog(@"dic === %@",dic);