61 lines
808 B
Go
61 lines
808 B
Go
package main
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"github.com/vicanso/go-charts/v2"
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)
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func writeFile(buf []byte) error {
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tmpPath := "./tmp"
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err := os.MkdirAll(tmpPath, 0700)
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if err != nil {
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return err
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}
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file := filepath.Join(tmpPath, "funnel-chart.png")
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err = ioutil.WriteFile(file, buf, 0600)
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if err != nil {
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return err
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}
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return nil
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}
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func main() {
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values := []float64{
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100,
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80,
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60,
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40,
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20,
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10,
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0,
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}
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p, err := charts.FunnelRender(
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values,
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charts.TitleTextOptionFunc("Funnel"),
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charts.LegendLabelsOptionFunc([]string{
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"Show",
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"Click",
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"Visit",
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"Inquiry",
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"Order",
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"Pay",
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"Cancel",
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}),
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)
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if err != nil {
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panic(err)
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}
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buf, err := p.Bytes()
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if err != nil {
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panic(err)
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}
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err = writeFile(buf)
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if err != nil {
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panic(err)
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}
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}
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