iOS网络请求返回参数为<null>怎样判断
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This kind of null has memory:
if([object isEqual:[NSNull null]])
It is recommended to use the current mature model to convert to a third party, it will handle it for you, it is very convenient
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This kind of null has memory:
It is recommended to use the current mature model to convert to a third party, it will handle it for you, it is very convenient