prototypeCustomCell的初始化

gistfile1.m

//仅展示部分代码
@interface ViewController ()

/**
 *  原型cell
 */
@property (strong,nonatomic) CustomCell *prototypeCustomCell;

/**
 *  数据源
 */
@property (strong,nonatomic) NSArray *dataArray;

@end

- (void)viewDidLoad{
    [super viewDidLoad];
    //...
    [self.tableView registerClass:[CustomCell class] forCellReuseIdentifier:kCustomCellIdentifier];
    self.prototypeCustomCell=[self.tableView dequeueReusableCellWithIdentifier:kCustomCellIdentifier];
}

-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
    [self.prototypeCustomCell configurationCell:self.dataArray[indexPath.row]];
    [self.prototypeCustomCell setNeedsLayout];
    [self.prototypeCustomCell layoutIfNeeded];
     CGFloat height=[self.prototypeCustomCell.contentView systemLayoutSizeFittingSize:UILayoutFittingCompressedSize].height+1;
    return height;
}