Cell 的xib 关联

static NSString *CellIdentifier = @"myBankCard";

MessageCell *cell = (MessageCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier];

if (cell == nil) {

    NSArray *array = [[NSBundle mainBundle] loadNibNamed:@"MessageCell" owner:self options:nil];

    cell = [array objectAtIndex:0];

    [cell setSelectionStyle:UITableViewCellSelectionStyleGray];

}

return cell;