NSMutableArray *oldArray = [[NSMutableArray alloc] init];
NSDictionary *dic1 = [[NSDictionary alloc] initWithObjectsAndKeys:@"11111", @"number", @"c", @"name", nil];
NSDictionary *dic2 = [[NSDictionary alloc] initWithObjectsAndKeys:@"22222", @"number", @"b", @"name", nil];
NSDictionary *dic3 = [[NSDictionary alloc] initWithObjectsAndKeys:@"33333", @"number", @"a", @"name", nil];
[oldArray addObject:dic2];
[oldArray addObject:dic3];
[oldArray addObject:dic1];
NSLog(@"oldArray__%@",oldArray);
NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"number" ascending:YES];
NSArray *sortDescriptors = [NSArray arrayWithObjects:sortDescriptor, nil];
NSMutableArray *sortArray = [[NSMutableArray alloc] initWithArray:[oldArray sortedArrayUsingDescriptors:sortDescriptors]];
NSLog(@"sortArray__%@",sortArray);
输出结果:
2013-06-10 15:00:47.648 dicTest[16553:c07] oldArray__(
{
name = b;
number = 22222;
},
{
name = a;
number = 33333;
},
{
name = c;
number = 11111;
}
)
2013-06-10 15:00:47.650 dicTest[16553:c07] array__(
{
name = c;
number = 11111;
},
{
name = b;
number = 22222;
},
{
name = a;
number = 33333;
}
)