数据解析

一个数组内包含字典，取字典里面的一项数据添加在新的数组内

• 情况1

  NSDictionary *dic1 = @{@"1":@"one",@"2":@"two"};
  NSDictionary *dic2 = @{@"1":@"one2",@"2":@"two2"};

  NSArray *array = @[dic1,dic2];
  NSArray *valuearray = [array valueForKeyPath:@"1"];

  NSLog(@"%@",valuearray);

  // 打印情况
  2016-04-16 14:09:38.592 autoLayout[14403:208007] (
  one,
  one2
  )

• 情况2

    NSMutableArray *BillingList = _model.r2_BillingList;
    _imgUrlArr =[NSMutableArray array];
    _contentArr = [NSMutableArray array];
    for (NSInteger i= 0; i<BillingList.count; i++) {
    ** 情况一取值 **        
    _imgUrlArr = [BillingList valueForKeyPath:@"url"];
    _contentArr = [BillingList valueForKeyPath:@"content"];
    **情况二取值**        
    //        NSString *urlStr =[[BillingList objectAtIndex:i] valueForKey:@"url"];
    //        [_imgUrlArr addObject:urlStr];
            
    //        NSString *contentStr =[[BillingList objectAtIndex:i] valueForKey:@"content"];
    //        [_contentArr addObject:contentStr];
        }