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72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
// Copyright 2017 Baliance. All rights reserved.
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package main
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import (
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"fmt"
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"log"
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"baliance.com/gooxml/spreadsheet"
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)
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func main() {
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ss := spreadsheet.New()
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sheet := ss.AddSheet()
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// Create all of our data
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row := sheet.AddRow()
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row.AddCell().SetString("Item")
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row.AddCell().SetString("Price")
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row.AddCell().SetString("# Sold")
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row.AddCell().SetString("Total")
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for r := 0; r < 5; r++ {
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row := sheet.AddRow()
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row.AddCell().SetString(fmt.Sprintf("Product %d", r+1))
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row.AddCell().SetNumber(1.23 * float64(r+1))
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row.AddCell().SetNumber(float64(r%3 + 1))
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row.AddCell().SetFormulaRaw(fmt.Sprintf("C%d*B%d", r+2, r+2))
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}
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// Charts need to reside in a drawing
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dwng := ss.AddDrawing()
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chart, anc := dwng.AddChart(spreadsheet.AnchorTypeTwoCell)
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// make it a bit wider than the default
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anc.SetWidthCells(10)
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lc := chart.AddLineChart()
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priceSeries := lc.AddSeries()
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priceSeries.SetText("Price")
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// Set a category axis reference on the first series to pull the product names
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priceSeries.CategoryAxis().SetLabelReference(`'Sheet 1'!A2:A6`)
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priceSeries.Values().SetReference(`'Sheet 1'!B2:B6`)
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soldSeries := lc.AddSeries()
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soldSeries.SetText("Sold")
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soldSeries.Values().SetReference(`'Sheet 1'!C2:C6`)
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totalSeries := lc.AddSeries()
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totalSeries.SetText("Total")
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totalSeries.Values().SetReference(`'Sheet 1'!D2:D6`)
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// the line chart accepts up to two axes
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ca := chart.AddCategoryAxis()
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va := chart.AddValueAxis()
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lc.AddAxis(ca)
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lc.AddAxis(va)
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ca.SetCrosses(va)
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va.SetCrosses(ca)
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// add a title and legend
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title := chart.AddTitle()
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title.SetText("Items Sold")
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chart.AddLegend()
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// and finally add the chart to the sheet
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sheet.SetDrawing(dwng)
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if err := ss.Validate(); err != nil {
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log.Fatalf("error validating sheet: %s", err)
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}
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ss.SaveToFile("line-chart.xlsx")
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}
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