curl -s "http://m.weather.com.cn/data/101210101.html" | go run src/main.go

gistfile1.txt

package main

import (
  "encoding/json"
	"log"
	"os"
)

type Result struct {
	WeatherInfo *WeatherInfo
}

type WeatherInfo struct {
	City    string
	City_en string
	Date_y  string
	Date    string
	Week    string
	Fchh    string
	Cityid  int
	Temp1   string
	Temp2   string
}

func main() {
	var result *Result
	decoder := json.NewDecoder(os.Stdin)
	decoder.Decode(&result)
	log.Println(result.WeatherInfo.City)
}