NSNumber 到 NSInteger 给出了错误的值? [英] NSNumber to NSInteger gives wrong value?

问题描述

我有一个 NSNumber funds.当我这样做时:

I have an NSNumber funds. When I do:

NSLog(@"%@ %i", funds, [funds integerValue]);

我明白了:

4869222353 574255057

完全不同的数字.第一个是正确的，因此将其转换为整数肯定有问题.我做错了什么?

Completely different numbers. The first one is correct, so there must be something wrong with converting it to integer. What am i doing wrong?

谢谢.

推荐答案

示例代码:

NSNumber *myNum = [NSNumber numberWithLongLong:4869222353];
NSLog(@"%@ %lld",myNum,[myNum longLongValue]);

为什么有效?

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