- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{  static NSString *CellIdentifier = @"Cell";  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];  if(cell == nil){    cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:CellIdentifier];    cell.textLabel.text = [self.arrStr objectAtIndex:indexPath.row];    UIImage *img = [UIImage imageNamed:[self.arrImg objectAtIndex:indexPath.row]];    cell.imageView.image = img;    //iOS UITableViewCell 的 imageView大小更改    CGSize itemSize = CGSizeMake(img.size.width *2/3, img.size.height *2/3);    UIGraphicsBeginImageContext(itemSize);    CGRect imageRect = CGRectMake(0.0, 0.0, itemSize.width, itemSize.height);    [cell.imageView.image drawInRect:imageRect];    cell.imageView.image = UIGraphicsGetImageFromCurrentImageContext();    UIGraphicsEndImageContext();  }  return cell;}