objective-c - iOS Nsdata (里面存的十六进制)转化为十进制
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PHP中文网 2017-05-02 09:31:46
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NSdata 头部存着图片的长度,ru:<00000000 000768f3 >,这是一个十六进制数,如何转化成十进制

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Ty80
uint64_t length = 0;
[data getBytes:&length length:8];
length = CFSwapInt64HostToBig(length);
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