当我将tableview单元格中的数据移动一个时，它会崩溃..
当我的视图加载时，我的数组计数为64
我将此分配给行return [categorieArray count];
和单元格配置
cell.textLabel.text=[categorieArray objectAtIndex:indexPath.row];
return cell;
*** Call stack at first throw:
(
0 CoreFoundation 0x00f8fbe9 __exceptionPreprocess + 185
1 libobjc.A.dylib 0x010e45c2 objc_exception_throw + 47
2 CoreFoundation 0x00f916fb -[NSObject(NSObject) doesNotRecognizeSelector:] + 187
3 CoreFoundation 0x00f01366 ___forwarding___ + 966
4 CoreFoundation 0x00f00f22 _CF_forwarding_prep_0 + 50
5 Sigma-Aldrich 0x0000468d -[RootViewController tableView:cellForRowAtIndexPath:] + 237
6 UIKit 0x000977fa -[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:withIndexPath:] + 634
7 UIKit 0x0008d77f -[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:] + 75
8 UIKit 0x000a2450 -[UITableView(_UITableViewPrivate) _updateVisibleCellsNow:] + 1561
9 UIKit 0x0009a538 -[UITableView layoutSubviews] + 242
10 QuartzCore 0x017f5451 -[CALayer layoutSublayers] + 181
11 QuartzCore 0x017f517c CALayerLayoutIfNeeded + 220
12 QuartzCore 0x017ee37c _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 310
13 QuartzCore 0x017ee0d0 _ZN2CA11Transaction6commitEv + 292
14 QuartzCore 0x0181e7d5 _ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 99
15 CoreFoundation 0x00f70fbb __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 27
16 CoreFoundation 0x00f060e7 __CFRunLoopDoObservers + 295
17 CoreFoundation 0x00ecebd7 __CFRunLoopRun + 1575
18 CoreFoundation 0x00ece240 CFRunLoopRunSpecific + 208
19 CoreFoundation 0x00ece161 CFRunLoopRunInMode + 97
20 GraphicsServices 0x01203268 GSEventRunModal + 217
21 GraphicsServices 0x0120332d GSEventRun + 115
22 UIKit 0x0003242e UIApplicationMain + 1160
23 Sigma-Aldrich 0x00001d49 main + 121
24 Sigma-Aldrich 0x00001cc5 start + 53
25 ??? 0x00000001 0x0 + 1
)
terminate called after throwing an instance of 'NSException'
答案 0 :(得分：2)
您的UITableViewDataSource似乎有一个不完整的实现，特别是（似乎）您忘记实现tableView:cellForRowAtIndexPath，因此当框架尝试并调用它时，它会失败。
查看here了解更多信息。