wechat_hitxy/crmpixel.go

package main

import (
	"encoding/base64"
	"fmt"
	"net/http"
)

func crmpixel(w http.ResponseWriter, r *http.Request) {
	b64pixel := "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH4QcIBzEJ3JY/6wAAAAh0RVh0Q29tbWVudAD2zJa/AAAADUlEQVQI12NgYGBgAAAABQABXvMqOgAAAABJRU5ErkJggg=="
	pixel, err := base64.StdEncoding.DecodeString(b64pixel)
	if err == nil {
		w.Write(pixel)
	} else {
		fmt.Fprint(w, "decodig wrong")
	}
}