#import
int main(int argc, const char * argv[])
{
//可变字典
NSMutableDictionary * set = [[NSMutableDictionary alloc]init];
[set setValue:@"shdf"forKeyPath:@"1"];
[set setValue:@"abcd" forKey:@"2"];
[set setObject:@"higj" forKey:@"3"];
//删除一个
//[set removeObjectForKey:@"2"];
//删除多个
//NSArray * arr = [[NSArray alloc]initWithObjects:@"1",@"2", nil];
//[set removeObjectsForKeys:arr];
//删除所有
[set removeAllObjects];
NSLog(@"%@",set);
return 0;
}
转载于:https://www.cnblogs.com/ylg-----/p/4753023.html