objective-c 使用NSNumber 将int float long等数据类型加入到数组或字典中
设置值和取值如下代码:
NSNumber *number=[NSNumber numberWithInt:45];
NSLog(@"NSNumber %d",[number intValue]);
设置值和取值如下代码:
NSNumber *number=[NSNumber numberWithInt:45];
NSLog(@"NSNumber %d",[number intValue]);
转载于:https://www.cnblogs.com/85538649/archive/2011/10/05/2199567.html