Question

使用从JSON文件下载数据的表视图时遇到问题。 JSON有4个条目，我希望我的代码忽略第一个条目，只需将第一个条目放入表格视图中。使用下面的代码，它将从JSON获取完整的4个条目并将它们全部放入表视图中。我已经尝试了一切，但似乎无法解决这个问题。

谢谢，

CurtisB

    #import "TutorProfileView.h"

    @interface TutorProfileView ()

    @end

    @implementation TutorProfileView
    NSDictionary *TutordizDict = @"";
    NSMutableArray *TutordaObj;
    NSDictionary *Tutordadict;
    NSArray *Tutortrackinbud;


    - (void)viewDidLoad {
        [super viewDidLoad];
        [self downloadreviews];
    }

    - (void)didReceiveMemoryWarning {
        [super didReceiveMemoryWarning];
        // Dispose of any resources that can be recreated.
    }
    -(UIStatusBarStyle)preferredStatusBarStyle{
        return UIStatusBarStyleLightContent;
    }
  - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

    {
        NSArray *udropofftrack = [TutordizDict objectForKey:@"tutific"];
        return [udropofftrack count];

    }

    - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath

    {

        return 88;

    }

    - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

    {

        static NSString *simpleTableIdentifier = @"TableViewCell2";



        TableViewCell2 *cell = (TableViewCell2 *)[tableView dequeueReusableCellWithIdentifier:simpleTableIdentifier];

        if (cell == nil)

        {

            NSArray *nibArray = [[NSBundle mainBundle] loadNibNamed:@"TableViewCell2" owner:self options:nil];

            cell = [nibArray objectAtIndex:0];

        }
       cell.name.text = [NSMutableString stringWithFormat:@"%@",[Tutortrackinbud[indexPath.row] valueForKey:@"username"]];

      return cell;   
    }

    - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

    {

    }
    -(void)downloadreviews
    {

        NSString *subjects2 = @"tutor1";

        NSURL *blogURL = [NSURL URLWithString:[NSString stringWithFormat:@"getreviews.php?username=%@", subjects2]];
        NSLog(@"URL = %@", blogURL);

        NSData *jsonData = [NSData dataWithContentsOfURL:blogURL];

        if(jsonData == nil)
        {
            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Connection Error" message:@"Please check your internet connection and try again." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
            [alert show];
            return;
        }
        else{

            NSError *error = nil;
            TutordizDict = [NSJSONSerialization JSONObjectWithData:jsonData options:0 error:&error];
            Tutortrackinbud = [TutordizDict objectForKey:@"tutific"];

            NSUInteger *elements = [Tutortrackinbud count];
            NSLog(@"Number of Shows : %d", elements);

            if (elements == 0)
            {
                //[udropofftrack removeAllObjects];
                Tutortrackinbud=nil;
                [_tableViewObject reloadData];
               // self.noorder.hidden=FALSE;

            }


            else{

                NSString *success = [Tutortrackinbud[0] valueForKey:@"success"];
                if ([success  isEqual: @"0"])
                {
                    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Connection Error" message:@"Your application failed to connect to uDropOff servers. Please update your application in the App Store." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
                    [alert show];
                    return;

                }
                else
                {

                    {
                        for (int i = 1 ; i < [Tutortrackinbud count]; i++){
                            {
                              TutordaObj = [[NSMutableArray alloc] init];

                            }
                        }
                    }
                }
            }
        }
        [_tableViewObject reloadData];
    }

    @end

Answer 1

如果我正确理解你的问题，你只想跳过数组中的第一个元素/条目。为什么不使用[element = driver.findElement(By.partialLinkText("signin")).click();]

样品：

Tutortrackinbud

Objective C JSON不会遗漏第一个条目

1 个答案: