在控制器中

切記:不要設(shè)置下面語句

    self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;

//分割線inset
@property (nonatomic, assign) UIEdgeInsets insets;

//設(shè)置左右可以達(dá)到分割線不水平頂置
self.insets = UIEdgeInsetsMake(0, 0, 0, 0);


-(void)viewDidLayoutSubviews {
    if ([_tableView respondsToSelector:@selector(setSeparatorInset:)]) {
        [_tableView setSeparatorInset:self.insets];
    }
    if ([_tableView respondsToSelector:@selector(setLayoutMargins:)])  {
        [_tableView setLayoutMargins:self.insets];
    }
}

-(void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath*)indexPath{
    if ([cell respondsToSelector:@selector(setLayoutMargins:)]) {
        [cell setLayoutMargins:self.insets];
    }
    if ([cell respondsToSelector:@selector(setSeparatorInset:)]){
        [cell setSeparatorInset:self.insets];
    }
}