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我在rails 4上使用Axlsx gem来绘制带有标记样式的散点图。这是我的代码:

wb.add_worksheet(:name => "Scatter Chart") do |sheet|
  sheet.add_row ["First",  1,  5,  7,  9]
  sheet.add_row ["",       1, 25, 49, 81]
  sheet.add_row ["Second", 5,  2, 14,  9]
  sheet.add_row ["",       5, 10, 15, 20]
  sheet.add_chart(Axlsx::ScatterChart, :title => "example 7: Scatter Chart") do |chart|
    chart.scatterStyle = :marker
    chart.start_at 0, 4
    chart.end_at 10, 19
    chart.add_series :xData => sheet["B1:E1"], :yData => sheet["B2:E2"], :title => sheet["A1"]
    chart.add_series :xData => sheet["B3:E3"], :yData => sheet["B4:E4"], :title => sheet["A3"]
    puts chart.scatter_style
  end
end

即使我将 scatterStyle 更改为 :marker,图表仍然是 lineMarker 样式。我尝试了所有其他可能的样式,但它似乎不适合我。当我打印chart.scatterStyle 时,它​​给了我“标记”,这意味着样式已更改,但我看到的又是lineMarker 样式。还有什么我应该做的吗?

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