由于未捕获的异常终止应用程序＆＃39; NSRangeException＆＃39;，原因：＆＃39; - [__ NSCFArray objectAtIndex：]：索引（14）超出边界（14）＆＃39;

Question

我是iOS开发人员的新手。我正在制作一个应用程序，我正在收到JSON的回复。但当我点击按钮显示下一个UITableView。 我对每个人都有两个问题。

1.）之前会显示空值。我必须向下滚动显示值。

2.）向下滚动调试错误后显示＆＃34;由于未捕获的异常终止应用程序＆＃39; NSRangeException＆＃39;，原因：＆＃39; - [__ NSCFArray objectAtIndex：]：index（14）超出界限（14）＆＃34;

抱歉我的英语不好。我会说一点英语。

我们必须单击按钮才能转到下一个UITableView。

- (IBAction)btnf10
{
    NSMutableDictionary *content = [NSMutableDictionary dictionary];
    [content setValue:[[AppSetting sharedInstance] token] forKey:@"ewitoken"];
    //[content setValue:gloablOnWherehouse.selectedWhereHouse forKey:@"model_Name"];
    [[EWIConnector connector] requestEWIService:@"special_selected_f10" requestData:content delegate:self];
}

requestEWIServiceStart将检查String。

    - (void) requestEWIServiceStart:(EWIConnector *)connector{

        NSLog(@"start %@",connector.endpoint);
    }

    - (void) requestEWIServiceFinish:(EWIConnector *)connector responseData:(NSDictionary *)responseData{

        NSLog(@"finish %@",connector.serviceName);
        NSLog(@"response %@",responseData);

        if ([connector.serviceName isEqualToString:@"special_selected_f10"])
        {
            NSLog(@"finish %@",connector.serviceName);
            NSDictionary *content = responseData[@"content"];
            NSString *stAlertMes = [content objectForKey:@"alertMessage"];
            stAlertMes = [self getString:stAlertMes];
            NSLog(@"AlertMSG : %@", stAlertMes);
            if (![stAlertMes isEqualToString:@""]) {
                NSLog(@"ALERT MESSAGE : %@", stAlertMes);
                gloablOnWherehouse.arTableDataSelected = [[NSArray alloc] init];
            }
            else
            {
                NSLog(@"HAS DATA");
                gloablOnWherehouse.arTableDataSelected = [content objectForKey:@"DataList_SPI_DetailCollection"];
                [self.tableViewWhereHoseList reloadData];

                labelStatus.text = @"F11";

            }
        }
       else
    {
        NSLog(@"response %@",responseData);
    }
}

UITableView 2用于响应数据。

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.

    globlOnDisplayEffect = [GlobalVariable sharedInstance];
    globlOnDisplayEffect.arTableDataSelectedWhereHouse = [[NSArray alloc] init];
    [self.tableViewDetailList reloadData];

}

- (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
    return 1;
}

- (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return (globlOnDisplayEffect.arTableDataSelected)?[globlOnDisplayEffect.arTableDataSelected count]: 100;
}



- (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    static NSString *simpleTableIdentifier = @"DisplayEffectQtyViewCell";
    DisplayEffectQtyViewCell *cell = [self.tableViewDetailList dequeueReusableCellWithIdentifier:simpleTableIdentifier forIndexPath:indexPath];
    if(cell == nil)
    {
        NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"DisplayEffectQtyViewCell" owner:self options:nil];
        cell = [nib objectAtIndex:0];

    } else {
        if (globlOnDisplayEffect.arTableDataSelected) {
            NSMutableArray *myMutbleArray = [[NSMutableArray alloc] init];
            [myMutbleArray addObject:globlOnDisplayEffect.arTableDataSelected];

            if (myMutbleArray) {
                NSDictionary *myDic = [globlOnDisplayEffect.arTableDataSelected objectAtIndex:indexPath.row];
                NSDictionary *cont = [myDic objectForKey:@"DataList_SPI_DetailF10"];
                NSString *f10_cmpt = [self getString:[cont objectForKey:@"f10_cmpt"]];
                NSString *f10_dt = [self getString:[cont objectForKey:@"f10_dt"]];
                NSString *f10_item = [self getString:[cont objectForKey:@"f10_item"]];
                NSString *f10_lot = [self getString:[cont objectForKey:@"f10_lot"]];
                NSString *f10_model = [self getString:[cont objectForKey:@"f10_model"]];
                NSString *f10_of = [self getString:[cont objectForKey:@"f10_of"]];
                NSString *f10_semi = [self getString:[cont objectForKey:@"f10_semi"]];
                NSString *f10_tm = [self getString:[cont objectForKey:@"f10_tm"]];
                NSString *f10_uncmp = [self getString:[cont objectForKey:@"f10_uncmp"]];

                [cell setf10_cmpt:f10_cmpt setf10_dt:f10_dt setf10_item:f10_item setf10_lot:f10_lot setf10_model:f10_model setf10_of:f10_of setf10_semi:f10_semi setf10_tm:f10_tm setf10_uncmp:f10_uncmp];


            }
        }
    }
    return cell;

}

Answer 1

数组的索引绑定，这是一个常见问题。数组中第14个位置没有对象。

在加载tableview之前，使用控制台中的循环NSLog所有数据，你必须在Cell中显示。

  else
        {
            NSLog(@"HAS DATA");
            gloablOnWherehouse.arTableDataSelected = [content objectForKey:@"DataList_SPI_DetailCollection"];

           // [self.tableViewWhereHoseList reloadData];

            labelStatus.text = @"F11";

        }

并检查您要加载的表格视图并将其计算在内。我想，应该是

 [globlOnDisplayEffect.arTableDataSelected count]>0 ?[globlOnDisplayEffect.arTableDataSelected count]:100. 

解释，为什么在[globlOnDisplayEffect.arTableDataSelected count] == 0时会显示100个单元格。其他的数据来源是什么？

- (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

 // NSLog what you return.... 
return (globlOnDisplayEffect.arTableDataSelected)?[globlOnDisplayEffect.arTableDataSelected count]: 100;
}

检查表格单元格条件。 **