本文介绍了将std:vector转换为NSArray的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
是否有一个好方法可以将向量 转换为 NSArray > NSNumber 或循环并添加到 NSMutableArray 几乎是唯一的方法?
解决方案如果你有一个对象的向量,你可以做以下:
NSArray * myArray = [NSArray arrayWithObjects:& vector [0] count:vector.size()];但是,如果你的向量包含原始类型,例如 NSInteger $ , int , float 等,你必须手动循环向量中的值,首先将它们转换为 NSNumber 。Is there a good way to convert a vector<int32_t> to an NSArray of NSNumber or is looping and adding to an NSMutableArray pretty much the only way?
解决方案If you have a vector of objects, you can do the following:
NSArray *myArray = [NSArray arrayWithObjects:&vector[0] count:vector.size()];However, if your vector contains primitive types, such as NSInteger, int, float, etc., you would have to manually loop the values in the vector and convert them to a NSNumber first.
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