TableView 去掉多余行数、IOS最后一行Cell系统分割线顶头

   //去掉底部多余的表格线
 
    [tableView setTableFooterView:[[UIView alloc] initWithFrame:CGRectZero]];

//最后一行分隔线顶头显示
//http://stackoverflow.com/questions/25770119/ios-8-uitableview-separator-inset-0-not-working
static void setLastCellSeperatorToLeft(UITableViewCell* cell)
{
    if ([cell respondsToSelector:@selector(setSeparatorInset:)]) {
        [cell setSeparatorInset:UIEdgeInsetsZero];
    }
    
    if ([cell respondsToSelector:@selector(setLayoutMargins:)]) {
        [cell setLayoutMargins:UIEdgeInsetsZero];
    }
    
    if([cell respondsToSelector:@selector(setPreservesSuperviewLayoutMargins:)]){
        [cell setPreservesSuperviewLayoutMargins:NO];
    }
}