//获取cell数组
- (NSArray *)cellsForTableView:(UITableView *)tableView {
NSInteger sections = tableView.numberOfSections;
NSMutableArray * cells = [NSMutableArray arrayWithCapacity:1];
for (int i = 0; i < sections; i++) {
NSInteger rows = [tableView numberOfRowsInSection:i];
NSMutableArray * sectionCells = [NSMutableArray arrayWithCapacity:1];
for (int j = 0; j < rows; j++) {
NSIndexPath * indexPath = [NSIndexPath indexPathForRow:j inSection:i];
[sectionCells addObject:[tableView cellForRowAtIndexPath:indexPath]];
}
[cells addObject:sectionCells];
}
return [NSArray arrayWithArray:cells];
}