package main
import (
"fmt"
"net/http"
"strconv"
qrcode "github.com/skip2/go-qrcode"
)
func main() {
http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
data := ""
if req.URL.Query().Get("website") != "" {
data = req.URL.Query().Get("website")
} else if req.URL.Query().Get("url") != "" {
data = req.URL.Query().Get("url")
} else if req.URL.Query().Get("data") != "" {
data = req.URL.Query().Get("data")
} else if req.URL.Query().Get("text") != "" {
data = req.URL.Query().Get("text")
}
size := 150
if req.URL.Query().Get("size") != "" {
i, err := strconv.Atoi(req.URL.Query().Get("size"))
if err == nil {
size = i
}
}
disableBorder := false
if req.URL.Query().Get("disableBorder") != "" {
disableBorder = true
}
if data != "" {
code, _ := qrcode.New(data, qrcode.Medium)
code.DisableBorder = disableBorder
png, _ := code.PNG(size)
w.Header().Set("Content-Type", "image/png")
w.Write(png)
return
}
w.Write([]byte(`QR Code
`))
})
fmt.Println(http.ListenAndServe(":8080", nil))
}