iOS 数组里面取字典的值

    NSArray *arrData = @[@"1",@"2",@"3",@"4"];
    NSArray *arrKey = @[@"A",@"B",@"C",@"D"];
    NSMutableDictionary *dic = [NSMutableDictionary dictionaryWithObjects:arrData forKeys:arrKey];

    NSArray *arrData1 = @[@"5",@"6",@"7",@"8"];
    NSArray *arrKey1 = @[@"E",@"F",@"G",@"H"];
    NSMutableDictionary *dic1 = [NSMutableDictionary dictionaryWithObjects:arrData1 forKeys:arrKey1];
    NSMutableArray *arr = [NSMutableArray arrayWithObjects:dic,dic1, nil];

    for (int i=0; i<[arr count]; i++) {
        for (id f in [arr objectAtIndex:i]) {
            NSLog(@"value = %@",[[arr objectAtIndex:i] valueForKey:f]);
            NSLog(@"key = %@",f);
        }
    }
    NSLog(@"arr = %@",[arr description]);

　原文http://duxinfeng.blog.51cto.com/3911492/1214724