//一個(gè)section刷新?
NSIndexSet *indexSet=[[NSIndexSet alloc]initWithIndex:2];?
[tableview reloadSections:indexSet withRowAnimation:UITableViewRowAnimationAutomatic];?
//一個(gè)cell刷新?
NSIndexPath *indexPath=[NSIndexPath indexPathForRow:3 inSection:0];?
[tableView reloadRowsAtIndexPaths:[NSArray arrayWithObjects:indexPath,nil] withRowAnimation:UITableViewRowAnimationNone];
