prawnto 显示新页面时不会破坏的表格 [英] prawnto displaying tables that don't break when new page

问题描述

我有可变数量的表格和可变数量的行，我想让它们一个接一个地显示，但如果一个表格不适合当前页面，则将其放在下一个页面上，然后继续.我已将表格放入事务中，因此如果高度适合当前页面，我可以回滚然后打印它，但如何获得表格高度?

I have a variable number of tables with variable number of rows and I want to have them displaying one after the other but if a table doesn't fit on the current page put it on the next then continue on. I have put the table in a transaction so I can roll back then print it if the height will fit on curent page but how do I get the table height?

我现在有这个代码

pdf.transaction do 

pdf.table @data,
    :font_size  => 12, 
    :border_style => :grid,
    :horizontal_padding => 10,
    :vertical_padding   => 3,
    :border_width       => 2,
    :position           => :left,
    :row_colors => ["FFFFFF","DDDDDD"]

pdf.move_down 20

#pdf.rollback 
end

对此的任何帮助都会很棒.或者任何其他方式来做到这一点?

Any help on this would be great. Or any other way to do this ?

最好的问候瑞克

推荐答案

4 年后... :)

正如@m-x 所写，出于安全原因，回滚被禁用，例如组"，并且仍未实现.所以，在这里我如何处理表格的中断页:

As @m-x wrote it, rollback was disabled for security reason, like "group", and is still not implemented. So, here how I deal with break pages for tables :

只需使用标题选项

pdf.table @data,
  header: true, # You can use 'header: 2' if your header take two rows
  font_size: 12, 
  border_style: :grid,
  horizontal_padding: 10,
  vertical_padding: 3,
  border_width: 2,
  position: :left,
  row_colors: ["FFFFFF","DDDDDD"]

小桌子或复合桌子

• 制作桌子
• 检查您是否需要分页
• 画表

以你的例子:

t = pdf.make_table @data,
  font_size: 12, 
  border_style: :grid,
  horizontal_padding: 10,
  vertical_padding: 3,
  border_width: 2,
  position: :left,
  row_colors: ["FFFFFF","DDDDDD"]

if cursor - t.height < 0
  start_new_page
end

t.draw

希望有帮助

这篇关于prawnto 显示新页面时不会破坏的表格的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！