[原創] linux 下上傳 datapoint資料到yeelink 【golang版本】

這是一個建立於 的文章，其中的資訊可能已經有所發展或是發生改變。

package main/* Create by sndnvaps<sndnvaps@gmail.com> * date : 2015-04-05  * upload datapoint to yeelink.net  * origin post by sndnvaps * hold on https://github.com/sndnvaps/MyRasPi  */import (   "fmt"   "io/ioutil"   "net"   "time"   "os"   "strconv")func checkError(err error) {     if err != nil {        fmt.Fprintf(os.Stderr, "Fatal error: %s\n",err.Error())        os.Exit(1)        }}func GetCpuTemp() (t float32) {      tf ,err := os.Open("/sys/class/thermal/thermal_zone0/temp")      if err != nil {      fmt.Printf("Read Cpu file error = %s\n",err.Error())      }      defer tf.Close()      data := make([]byte,5)      tf.Read(data)      data_temp := string(data)      temp, _ := strconv.Atoi(data_temp)      var tt float32      tt = float32(temp)      fmt.Printf("Cpu temp  = %2.2f\n", tt/1000.00)      return (tt/1000.00)}func main() {        //Connet the api.yeelink.net        //REMOTE_IP 42.96.164.52        //PORT      80        conn, err := net.Dial("tcp","42.96.164.52:80")        defer conn.Close()        checkError(err)        fmt.Printf("Post Request \n")//        fmt.Printf("Cpu temp = %2.2f\n", GetCpuTemp())        time.Sleep(time.Second)    _  , err = conn.Write([]byte("POST /v1.0/device/19374/sensor/33945/datapoints HTTP/1.0\r\nHost: api.yeelink.net\r\nAccept: */*\r\n"))      //此處要修改為你自己的裝置號和感應器    if err != nil {           fmt.Printf("Sent Requset ok\n")        }/*    checkError(err)    result, err := ioutil.ReadAll(conn)//get the info    checkError(err)  fmt.Println(string(result))*/        fmt.Printf("Send the API-keys\n")        time.Sleep(time.Second)    // send the API-key     _ , err = conn.Write([]byte("U-ApiKey: 108968b03a7e9334b2aca7c45b199dee\r\nContent-Length: 15\r\nContent-type: application/json;charset=utf-8\r\n")) //請自行修改為自己的U-ApiKey  
         checkError(err)        time.Sleep(time.Second)     //send the '\r\n'     _ , err = conn.Write([]byte("\r\n"))       checkError(err)      //send the value      time.Sleep(time.Second)      var value string      value = fmt.Sprintf("{\"value\":%2.2f}\n\n",GetCpuTemp())     //_ , err = conn.Write([]byte("{\"value\":13.14}\r\n"))     // var b []byte      //b = str2byte(value)     // fmt.Println("b = ", b)       _, err = conn.Write([]byte(value))         checkError(err)        time.Sleep(time.Second)      result, err := ioutil.ReadAll(conn)      checkError(err)      fmt.Println(string(result))    os.Exit(1)}

　　可以直接使用go run upload_cpu_temp.go