iOS cell分割线长度设置

-(void)viewDidLayoutSubviews{    if ([self.tableView respondsToSelector:@selector(setSeparatorInset:)]) {        [self.tableView setSeparatorInset:UIEdgeInsetsMake(0,0,0,0)];    }        if ([self.tableView respondsToSelector:@selector(setLayoutMargins:)]) {        [self.tableView setLayoutMargins:UIEdgeInsetsMake(0,0,0,0)];    }}

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