是否可以使用 Prawn 混合实线和虚线单元格边框样式？
我正在使用 Ruby on Rails 3.1 构建一个网站，其中我还需要某些数据的 PDF 版本。为此，我使用 Prawn (master) 和 Prawnto gem。效果非常好。然而，只有一件事我不知道如何完成。
PDF 包含表格数据，我想以不同方式更改单元格边框样式，以更好地可视化某些部分。目前，我的行可以是单个行，也可以是多个行。单行或组的周围应有实心边框，以表明这是一个组。
-----------------------------------------------------------------
| Row 1 |
-----------------------------------------------------------------
-----------------------------------------------------------------
| Row 1 |
| |
| Row 2 |
-----------------------------------------------------------------
现在我想要的是在第二组中的第 1 行和第 2 行之间有一条虚线/点线。在某些情况下，我还需要在单元格中具有垂直（左/右）虚线/点线边框。
-----------------------------------------------------------------
| Row 1 |
|- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -|
| Row 2 |
-----------------------------------------------------------------
我一直在网上寻找例子，但一点运气都没有。这怎么能做到呢？我唯一能做的就是划掉表格中的所有边框，但这不是我想要的。
pdf.dash 4, :space => 3
pdf.table data
我希望能够为每个单元格单独设置边框样式，而且单元格可以为不同的边框设置不同的样式。即顶部是实线，底部是虚线。
有什么建议或帮助我如何实现这一目标？使用文本框或边界框代替使用表格会有帮助吗？
提前致谢！
I'm building a site with Ruby on Rails 3.1 where I also need to have PDF versions of certain data. For this I use Prawn (master) with the Prawnto gem. Works really well. However, there is just this one thing that I cannot see how to get done.
The PDF contains tabular data where I would like to change the cell border styles differently to better visualize certain parts. At the moment I have rows that can be single or multiple grouped together. The single line or group should have a solid border around it to show that this is a group.
-----------------------------------------------------------------
| Row 1 |
-----------------------------------------------------------------
-----------------------------------------------------------------
| Row 1 |
| |
| Row 2 |
-----------------------------------------------------------------
Now what I'd like is to have a dashed/dotted line between row 1 and row 2 in the second group. I'd also need to in certain cases have vertical (left/right) dashed/dotted borders in cells.
-----------------------------------------------------------------
| Row 1 |
|- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -|
| Row 2 |
-----------------------------------------------------------------
I've been trawling the web for examples, but no luck at all. How can this be done? The only thing I can do is to dash all borders in the table, but this is not what I want.
pdf.dash 4, :space => 3
pdf.table data
I would like to be able to set the border styles individually for each cell, but also in a way where a cell can have different styles for different borders. I.e. top is solid and bottom is dashed.
Any suggestions or help how I can achieve this? Would a text box or bounding box help instead of using a table?
Thanks in advance!
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不，目前这是不可能的。
我做了一个虾叉，并添加了必要的代码，允许在表格中混合实线、虚线和点线单元格边框。
您可以在此处找到该分支。
创建表格单元格时的用法示例：
No, this is not possible currently.
I have made a fork of prawn and added the necessary code that allows to mix solid, dashed and dotted cell borders in a table.
You can find the fork here.
Example usage when creating a table cell: