//***************方法一***************//
//回滚到表的最顶端
[self.tableView scrollRectToVisible:CGRectMake(0, 0, 1, 1) animated:NO];
//***************方法二***************//
[self.tableView setContentOffset:CGPointMake(0,0) animated:NO];
//***************方法三***************//
NSIndexPath* indexPat = [NSIndexPath indexPathForRow:0 inSection:0];
[self.tableView scrollToRowAtIndexPath:indexPat atScrollPosition:UITableViewScrollPositionBottom animated:YES];
//CGRectMake(0, 0, 1, 1)可以直接返回到UITableView的最顶端
[tableview scrollRectToVisible:
CGRectMake(
0,
0,
1,
1) animated:
NO];
//CGRectMake(0, 0, 0, 0)设定无效
//
[tableview scrollRectToVisible:CGRectMake(0, 0, 0, 0) animated:NO];