每天坚持20分钟go画图

2022-07-05 22:16:03 浏览数 (1)

常用的图表软件

  • Echarts 百度出品
  • BizCharts商业化React编写
  • chart.js
  • hightCahrts

画图 https://github.com/go-echarts/go-echarts

摘自github上面的例子,非常好用强大哦

image.pngimage.png
代码语言:txt复制
package main

import (
	"math/rand"
	"net/http"

	"github.com/go-echarts/go-echarts/v2/charts"
	"github.com/go-echarts/go-echarts/v2/opts"
	"github.com/go-echarts/go-echarts/v2/types"
)

// generate random data for line chart
func generateLineItems() []opts.LineData {
	items := make([]opts.LineData, 0)
	for i := 0; i < 7; i   {
		items = append(items, opts.LineData{Value: rand.Intn(300)})
	}
	return items
}

func httpserver(w http.ResponseWriter, _ *http.Request) {
	// create a new line instance
	line := charts.NewLine()
	// set some global options like Title/Legend/ToolTip or anything else
	line.SetGlobalOptions(
		charts.WithInitializationOpts(opts.Initialization{Theme: types.ThemeWesteros}),
		charts.WithTitleOpts(opts.Title{
			Title:    "Line example in Westeros theme",
			Subtitle: "Line chart rendered by the http server this time",
		}))

	// Put data into instance
	line.SetXAxis([]string{"Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"}).
		AddSeries("Category A", generateLineItems()).
		AddSeries("Category B", generateLineItems()).
		SetSeriesOptions(charts.WithLineChartOpts(opts.LineChart{Smooth: true}))
	line.Render(w)
}

func main() {
	http.HandleFunc("/", httpserver)
	http.ListenAndServe(":8081", nil)
}

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