#include <ESP8266WiFi.h>
String WEIXIN_TOKEN = "WeixinToken"; // 每次发送消息前从自己服务器上更新
#define PRODUCT_TYPE "gh_e93c1b3098b9" // 设备种类
#define PRODUCT_ID "gh_e93c1b3098b9_dae1c2072212185c" // 设备ID
#define host "api.weixin.qq.com" //微信服务器
#define httpPort 80 //端口
#define host_token "www.dongvdong.top" //获取token的服务器
//#define ssid "HUAWEI-H3VBKZ" // WIFI名字
//#define password "13991320168" // WIFI密码
#define ssid "dongdong"
#define password "dongdong"
void setup() {
Serial.begin(115200);
delay(10);
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());
}
/*
功能： 1从自己的服务器上txt获取微信token
输入： 无
输出： token
*/
String RequestWeixinToken(){
Serial.println("/**************************************************/");
Serial.println("1 request token! ");
Serial.print("connecting to ");
Serial.println(host_token);
Serial.println();
WiFiClient client;
if (!client.connect(host_token, httpPort)) { //works!
Serial.println("connection failed");
return "fail";
}
String str = "GET /WexinToken/token.txt \r\n\r\n\r\n"; // GET 请求网页服务器默认文件夹下的文件。 根据实际路径设置
client.print(str);
delay(600);
String token;
if (client.available())
{
token = client.readStringUntil('\r'); // 读一行
Serial.println(token); //串口打印出来
}
client.stop();
Serial.println();
Serial.println("closing connection \n");
if(token.length()>10){
return token;}
else{
return "fail";
}
}
/*
功能：5 请求设备绑定的用户ID
输入：
String UESRID 微信用户ID
String CONTENT 要发送的内容
输出： 无
*/
String RequestUserId(){
Serial.println("/**************************************************/");
Serial.println("5 request userID! ");
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 "fail";
}
// We now create a URI for the request
String url = "/device/get_openid";
url += "?access_token=";
url += WEIXIN_TOKEN;
url += "&device_type=";
url += PRODUCT_TYPE;
url += "&device_id=";
url += PRODUCT_ID;
// This will send the request to the server
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"Connection: close\r\n\r\n");
delay(600);
Serial.println();
//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();
if(line.indexOf("errcode")>0){
Serial.println(line);
return "fail";
}
if(line.indexOf("open_id")>0){
//{"open_id":["ognVI6JsmBGd7lxYTZY4GH29LcNg","ognVI6GpDeseo6Qe_S7hGPgwlt8E","ognVI6CC8_HsPH5zgydb-PZFmxqU","ognVI6FxhqhGVuGhsZbmDyutgsMQ"],"resp_msg":{"ret_code":0,"error_info":"ok"}
int datebegin= line.indexOf("{");
// int dateend=line.length();
int dateend=line.lastIndexOf("}");
String datajson=line.substring(datebegin,dateend);
Serial.println(datajson);
return datajson;
}
else{
Serial.println("fail");
return "fail";
}
Serial.println();
Serial.println("closing connection \n");
}
/*
功能：5-1 对用户ID组进行解析拆分
输入：
String json 用户ID组 "ognVI6JsmBGd7lxYTZY4GH29LcNg","ognVI6GpDeseo6Qe_S7hGPgwlt8E","ognVI6CC8_HsPH5zgydb-PZFmxqU","ognVI6FxhqhGVuGhsZbmDyutgsMQ",
String json_ruselt[] 拆分存放的数组
int sizejson 拆分存放的数组大小 默认10
输出： 成功返回1
*/
bool RequestUserId_json(String json,String json_ruselt[],int sizejson){
// if(json.length()<1){return 0;}
// DynamicJsonDocument jsonBuffer(json.length());
// deserializeJson(jsonBuffer, json);
// JsonObject root = jsonBuffer.as<JsonObject>();
//
// String ueserid1 = root[String("open_id")][0];
// String ueserid2 = root[String("open_id")][1];
// String ueserid3 = root[String("open_id")][2];
// String ueserid4 = root[String("open_id")][3];
// Serial.println();
// Serial.println(ueserid1);
// Serial.println(ueserid2);
// Serial.println(ueserid3);
// Serial.println(ueserid4);
int datebegin= json.indexOf("[")+1;
int dateend=json.indexOf("]");
String datajson=json.substring(datebegin,dateend);
datajson= datajson+',';
// Serial.println(datajson);
/*
ognVI6JsmBGd7lxYTZY4GH29LcNg dongdong
ognVI6GpDeseo6Qe_S7hGPgwlt8E
ognVI6CC8_HsPH5zgydb-PZFmxqU
ognVI6FxhqhGVuGhsZbmDyutgsMQ
*/
int i=0;
while(datajson.length()>0){
int idbegin=0;
int idend=datajson.indexOf(",");
String id=datajson.substring(idbegin,idend);
id=id.substring(1,id.length()-1);
if(i<sizejson){
json_ruselt[i]=id;
i++;}
// Serial.println(id);
datajson=datajson.substring(idend+1,datajson.length());
}
return 1;
}
/*
功能：6 给单独的用户推送消息
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){
Serial.println("/**************************************************/");
Serial.println("6 send msg to user! ");
String data =(String) "{"
+ " \"touser\":\""+UESRID+"\","
+ " \"msgtype\":\"text\","
+ "\"text\" :"
+ "{ \"content\":\""+CONTENT+"\", }"
+ "}" ;
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!");
}
/*
功能：7 给所有用户用户推送消息
输入：
String CONTENT 需要推送的消息内容
输出： 无
执行过程：
1 从自己的服务器txt文件里获取缓存的微信TOKEN
5 请求微信服务器，得到用户ID组
5-1用户ID组解析，逐一存放到数组json_user_id
6给用户逐个发送消息
*/
void SendMsgToUserAll(String CONTENT){
WEIXIN_TOKEN= RequestWeixinToken(); //1 从自己的服务器txt文件里获取缓存的微信TOKEN
if(WEIXIN_TOKEN=="fail")return;
String json_alluser_id= RequestUserId(); // 5 请求微信服务器，得到用户ID组
if(json_alluser_id!="fail"){
String json_user_id[10]; // 5-1用户ID组解析，逐一存放到数组json_user_id
RequestUserId_json(json_alluser_id,json_user_id,10); // 5-1用户ID组解析，逐一存放到数组json_user_id
for(int i=0;i<10;i++){
if(json_user_id[i]!=""){
Serial.println(json_user_id[i]);
// String UESRID="ognVI6JsmBGd7lxYTZY4GH29LcNg";
SendMsgToUser(json_user_id[i],CONTENT);// 6给用户逐个发送消息
}
}
}
}
int msgnum=0;
void loop() {
delay(10000); // 每10S执行一次
if(msgnum<100){ msgnum++;} else { msgnum=0; }
String CONTENT=(String)"主人好！ \r\n 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.baidu.com >！";
SendMsgToUserAll(CONTENT);
}
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