UITableViewCell和UICollectionViewCell自适应高度

_tableView.rowHeight = UITableViewAutomaticDimension;
        _tableView.estimatedRowHeight = 130;

[commentContent mas_makeConstraints:^(MASConstraintMaker *make) {
            make.left.mas_equalTo(self.contentView).offset(kMarginLeftSpacing);
            make.right.mas_equalTo(self.contentView).offset(-kMarginLeftSpacing);
            //上面
            make.top.mas_equalTo(self.contentView).offset(kMarginTopSpacing);
        }];

[userNum mas_makeConstraints:^(MASConstraintMaker *make) {
            make.right.mas_equalTo(self.contentView).offset(-10);
            make.top.mas_equalTo(line.mas_bottom).offset(0);
            //下面
            make.bottom.mas_equalTo(self.contentView.mas_bottom).offset(0);
            make.height.mas_equalTo(43);
        }];