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main.go
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main.go
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// Copyright 2017 Baliance. All rights reserved.
package main
import (
"fmt"
"log"
"baliance.com/gooxml/chart"
"baliance.com/gooxml/spreadsheet"
)
func main() {
ss := spreadsheet.New()
sheet := ss.AddSheet()
// Create all of our data
row := sheet.AddRow()
row.AddCell().SetString("Item")
row.AddCell().SetString("Price")
row.AddCell().SetString("# Sold")
row.AddCell().SetString("Total")
for r := 0; r < 5; r++ {
row := sheet.AddRow()
row.AddCell().SetString(fmt.Sprintf("Product %d", r+1))
row.AddCell().SetNumber(1.23 * float64(r+1))
row.AddCell().SetNumber(float64(r%3 + 1))
row.AddCell().SetFormulaRaw(fmt.Sprintf("C%d*B%d", r+2, r+2))
}
// Charts need to reside in a drawing
dwng := ss.AddDrawing()
chrt1, anc1 := dwng.AddChart(spreadsheet.AnchorTypeTwoCell)
chrt2, anc2 := dwng.AddChart(spreadsheet.AnchorTypeTwoCell)
addBarChart(chrt1)
addLineChart(chrt2)
anc1.SetWidth(9)
anc1.MoveTo(5, 1)
anc2.MoveTo(1, 23)
// and finally add the chart to the sheet
sheet.SetDrawing(dwng)
if err := ss.Validate(); err != nil {
log.Fatalf("error validating sheet: %s", err)
}
ss.SaveToFile("multiple-chart.xlsx")
}
func addBarChart(chrt chart.Chart) {
chrt.AddTitle().SetText("Bar Chart")
lc := chrt.AddBarChart()
priceSeries := lc.AddSeries()
priceSeries.SetText("Price")
// Set a category axis reference on the first series to pull the product names
priceSeries.CategoryAxis().SetLabelReference(`'Sheet 1'!A2:A6`)
priceSeries.Values().SetReference(`'Sheet 1'!B2:B6`)
soldSeries := lc.AddSeries()
soldSeries.SetText("Sold")
soldSeries.Values().SetReference(`'Sheet 1'!C2:C6`)
totalSeries := lc.AddSeries()
totalSeries.SetText("Total")
totalSeries.Values().SetReference(`'Sheet 1'!D2:D6`)
// the line chart accepts up to two axes
ca := chrt.AddCategoryAxis()
va := chrt.AddValueAxis()
lc.AddAxis(ca)
lc.AddAxis(va)
ca.SetCrosses(va)
va.SetCrosses(ca)
}
func addLineChart(chrt chart.Chart) {
chrt.AddTitle().SetText("Line Chart")
lc := chrt.AddLineChart()
priceSeries := lc.AddSeries()
priceSeries.SetText("Price")
// Set a category axis reference on the first series to pull the product names
priceSeries.CategoryAxis().SetLabelReference(`'Sheet 1'!A2:A6`)
priceSeries.Values().SetReference(`'Sheet 1'!B2:B6`)
soldSeries := lc.AddSeries()
soldSeries.SetText("Sold")
soldSeries.Values().SetReference(`'Sheet 1'!C2:C6`)
totalSeries := lc.AddSeries()
totalSeries.SetText("Total")
totalSeries.Values().SetReference(`'Sheet 1'!D2:D6`)
// the line chart accepts up to two axes
ca := chrt.AddCategoryAxis()
va := chrt.AddValueAxis()
lc.AddAxis(ca)
lc.AddAxis(va)
ca.SetCrosses(va)
va.SetCrosses(ca)
}