43 lines
1,018 B
Go
43 lines
1,018 B
Go
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"net/http"
|
||
|
|
|
||
|
|
"github.com/wcharczuk/go-chart"
|
||
|
|
)
|
||
|
|
|
||
|
|
func drawChart(res http.ResponseWriter, req *http.Request) {
|
||
|
|
|
||
|
|
/*
|
||
|
|
The below will draw the same chart as the `basic` example, except with both the x and y axes turned on.
|
||
|
|
In this case, both the x and y axis ticks are generated automatically, the x and y ranges are established automatically, the canvas "box" is adjusted to fit the space the axes occupy so as not to clip.
|
||
|
|
*/
|
||
|
|
|
||
|
|
graph := chart.Chart{
|
||
|
|
XAxis: chart.XAxis{
|
||
|
|
Style: chart.Style{
|
||
|
|
Show: true, //enables / displays the x-axis
|
||
|
|
},
|
||
|
|
},
|
||
|
|
YAxis: chart.YAxis{
|
||
|
|
Style: chart.Style{
|
||
|
|
Show: true, //enables / displays the y-axis
|
||
|
|
},
|
||
|
|
},
|
||
|
|
Series: []chart.Series{
|
||
|
|
chart.ContinuousSeries{
|
||
|
|
XValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
|
||
|
|
YValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
res.Header().Set("Content-Type", "image/png")
|
||
|
|
graph.Render(chart.PNG, res)
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
http.HandleFunc("/", drawChart)
|
||
|
|
http.ListenAndServe(":8080", nil)
|
||
|
|
}
|