aionnect
/
hello-go



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package main

import (
	"bytes"
	"fmt"
	"git.aionnect.com/aionnect/go-common/utils"
	"github.com/cbroglie/mustache"
	"io/ioutil"
	"os"
	"os/exec"
	"strconv"
)

const tplStr = `<html>
<body style="border: 0; padding: 0; margin: 0">
<div style="width: 768px; height: 1024px; text-align: center; background-color: bisque">
    <h3 style="padding-top:20px">{{title}}</h3>
    <p>{{description}}</p>
    <img src="{{url}}" width="430" height="430" />
</div>
</body>
</html>`

const (
	W = 768
	H = 1024
)

func main() {
	var buf bytes.Buffer
	tpl, _ := mustache.ParseString(tplStr)
	_ = tpl.FRender(&buf, map[string]string{
		"title":       "Hello world",
		"description": "A test for convert html to jpg",
		"url":         "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=gQFe8TwAAAAAAAAAAS5odHRwOi8vd2VpeGluLnFxLmNvbS9xLzAyUFlBM1FKcDlldWgxMDAwMDAwNzAAAgTryl1eAwQAAAAA",
	})
	tempId := utils.NextId()
	htmlFileName := fmt.Sprintf("temp_%d.html", tempId)
	imgFileName := fmt.Sprintf("temp_%d.jpg", tempId)
	_ = ioutil.WriteFile(htmlFileName, buf.Bytes(), os.ModeAppend)
	cmd := exec.Command(`wkhtmltoimage`, `--height`, strconv.Itoa(H), `--width`, strconv.Itoa(W), htmlFileName, imgFileName)
	_ = cmd.Run()
	// output, err := cmd.CombinedOutput()
}