tableView 单行刷新

//刷新一组

NSIndexSet* indexSet = [[NSIndexSetalloc]initWithIndex:1];

[self.myTableViewreloadSections:indexSetwithRowAnimation:UITableViewRowAnimationAutomatic];

//刷新一行

NSIndexPath*indexPath=[NSIndexPathindexPathForRow:1inSection:0];

[self.myTableViewreloadRowsAtIndexPaths:@[indexPath]withRowAnimation:UITableViewRowAnimationNone];