#include <ESP8266WiFi.h>

#define WEIXIN_TOKEN  "19_qLywZOTSRQsE3NhNthVSL-MCFtpgC26QZZlard0yjaXAxW3G3TtNCnoTneMQrQtK-CcpjsruX084iVuLFBsuVRmJJgYKCSlJhcASOH5To_dHPe7jPj30HpGBIif22Pn3be77Hu8Z56KVs8LTOREbAIAYBO"

#define PRODUCT_TYPE "gh_e93c1b3098b9"

#define PRODUCT_ID   "gh_e93c1b3098b9_dae1c2072212185c"

#define host         "api.weixin.qq.com"

#define  httpPort     80

#define ssid      "HUAWEI-H3VBKZ"

#define password  "13991320168"

void setup() {

  Serial.begin(115200);

  delay(10);

  // We start by connecting to a WiFi network

  Serial.println();

  Serial.println();

  Serial.print("Connecting to ");

  Serial.println(ssid);

  WiFi.begin(ssid, password); //works!

  while (WiFi.status() != WL_CONNECTED) {

    delay(500);

    Serial.print(".");

  }

  Serial.println("");

  Serial.println("WiFi connected");

  Serial.println("IP address: ");

  Serial.println(WiFi.localIP());

}

/*

输入：

String UESRID    微信用户ID

String CONTENT   要发送的内容

输出：           无

*/

void SendMsgToUser(String UESRID,String CONTENT){

    String data =(String) "{"

   + " \"touser\":\""+UESRID+"\","

   + " \"msgtype\":\"text\","

   +  "\"text\" :"

   +  "{ \"content\":\""+CONTENT+"\", }"

   + "}"  ;

  Serial.println("/**************************************************/");

  Serial.print("connecting to ");

  Serial.println(host);

  // Use WiFiClient class to create TCP connections

  WiFiClient client;

  if (!client.connect(host, httpPort)) { //works!

    Serial.println("connection failed");

    return;

  }

  // We now create a URI for the request

  String url = "/cgi-bin/message/custom/send";

  url += "?access_token=";

  url += WEIXIN_TOKEN;

      int length = data.length();

      String postRequest =(String)("POST ") + url + " HTTP/1.1\r\n" +

          "Content-Type: application/json;charset=utf-8\r\n" +

          "Host: " + host + ":" + httpPort + "\r\n" +

          "Content-Length: " + length + "\r\n" +

          "Connection: Keep Alive \r\n" +

          +"\r\n"

          +data

          +"\r\n";

      // Serial.println(postRequest);

       client.print(postRequest);

    delay(600);

    //处理返回信息

    String line = client.readStringUntil('\n');

    while (client.available() > 0) {

      line +='\n';

      line += client.readStringUntil('\n');

    }

    Serial.println(line);

    client.stop();

  Serial.println();

  Serial.println("closing connection!");

  }

  int msgnum=0;

void loop() {

  if(msgnum<100){

  msgnum++;}

  else { msgnum=0;  }

  delay(10000);

  String UESRID="ognVI6JsmBGd7lxYTZY4GH29LcNg";

  String CONTENT=(String)"这是来自ESP8266发送的第"+msgnum+"条消息：\r\n  电量统计： 98\r\n 空气质量： 89\r\n 连接地址：<a href=http://www.qq.com >！";

  SendMsgToUser(UESRID,CONTENT);

}