iOS indexOfObject使用

-(NSUInteger)indexOfObject:(ObjectType)anObject;

点击这里官方文档
Return Value
The lowest index whose corresponding array value is equal to anObject.
If none of the objects in the array is equal to anObject, returns NSNotFound.

[[NetworkTool managerTool] requesNoHud:POST UrlString:[HttpInterface getJinTiKuProfession] parameters:mdict finished:^(id result, NSError *error) {
        if (result) {
            if ([[result objectForKey:@"success"]boolValue]) {
                NSDictionary * info = [result objectForKey:@"entity"][@"info"];
                self.infoModel = [WJSubjectCategoryModel mj_objectArrayWithKeyValuesArray:info];
                
                [self.leftTableView reloadData];
                [self.rightTableView reloadData];
                
                NSMutableArray * mArray = [[NSMutableArray alloc]init];
                // 遍历self.infoModel数组,把status的值拿出来,存入数组
                for (WJSubjectCategoryModel * model in self.infoModel) {
                    [mArray addObject:model.status];
                }
                // The lowest index whose corresponding array value is equal to anObject. If none of the objects in the array is equal to anObject, returns NSNotFound.
                // 对应数组值等于一个对象的最低索引
                NSUInteger index = [mArray indexOfObject:@"0"];
//                if (index == NSNotFound) {
//                    index = 0;
//                }
                
                [self.leftTableView selectRowAtIndexPath:[NSIndexPath indexPathForRow:index inSection:0]
                                                   animated:YES
                                             scrollPosition:UITableViewScrollPositionNone];
            }else{
                [MBProgressHUD showError:[result objectForKey:@"message"]];
            }
        }else{
            [MBProgressHUD showError:@"格式错误"];
        }
        
    }];