如何使用http请求从2个传感器发送数据，从nodemcu到mysql

如何解决如何使用http请求从2个传感器发送数据，从nodemcu到mysql

我想将 rfid 和重量一起发送到数据库。 我可以通过 http 成功发送并在另一端使用 php 存储在我的数据库（本地）中，但是一旦有新的 rfid 卡，我如何发送最新的重量数据，我希望这两个数据都被存储在同一张桌子上。 请检查下面的代码并帮助我。 提前致谢。

#include <SPI.h>
#include <MFRC522.h>
#include <ESP8266HTTPClient.h>
#include <ESP8266WiFi.h>
#include <HX711_ADC.h>
#include <EEPROM.h>

#define SS_PIN D4
#define RST_PIN D2

#define ERROR_PIN D0
#define SUCCESS_PIN D1
#define CONN_PIN D8

//pins:
const int HX711_dout = D1; //mcu > HX711 dout pin
const int HX711_sck = D8; //mcu > HX711 sck pin

//display text:


//HX711 constructor:
HX711_ADC LoadCell(HX711_dout,HX711_sck);

const int calVal_eepromAdress = 0;
long t;

const char *ssid = "ssid"; 
const char *password = "password";

MFRC522 mfrc522(SS_PIN,RST_PIN);
void setup() {
   delay(1000);
   Serial.begin(9600);
   Serial.println();
   Serial.println("Starting...");

   LoadCell.begin();
    float calibrationValue; // calibration value (see example file "Calibration.ino")
    calibrationValue = -20.35; // uncomment this if you want to set the calibration value in the sketch
    #if defined(ESP8266)|| defined(ESP32)
    //EEPROM.begin(512); // uncomment this if you use ESP8266/ESP32 and want to fetch the calibration value from eeprom
    #endif
    //EEPROM.get(calVal_eepromAdress,calibrationValue); // uncomment this if you want to fetch the calibration value from eeprom
  
    long stabilizingtime = 2000; // preciscion right after power-up can be improved by adding a few seconds of stabilizing time
    boolean _tare = true; //set this to false if you don't want tare to be performed in the next step
    LoadCell.start(stabilizingtime,_tare);
    if (LoadCell.getTareTimeoutFlag()) {
      Serial.println("Timeout,check MCU>HX711 wiring and pin designations");
      while (1);
    }
    else {
      LoadCell.setCalFactor(calibrationValue); // set calibration value (float)
      Serial.println("Startup is complete");
    }

   WiFi.mode(WIFI_OFF);    
   delay(1000);
   WiFi.mode(WIFI_STA);
   WiFi.begin(ssid,password);
   Serial.println("");

   pinMode(CONN_PIN,OUTPUT);
   pinMode(SUCCESS_PIN,OUTPUT);
   pinMode(ERROR_PIN,OUTPUT);
   
   Serial.print("Connecting");
   while (WiFi.status() != WL_CONNECTED) {
     delay(500);
     Serial.print(".");
   }

   Serial.println("");
   Serial.print("Connected to ");
   Serial.println(ssid);
   Serial.print("IP address: ");
   Serial.println(WiFi.localIP()); 
   
   SPI.begin();
   mfrc522.PCD_Init();
}

void sendRfidLog(long cardId) {
  
  if(WiFi.status() == WL_CONNECTED) {
    HTTPClient http;
    String postData = "cardid=" + String(cardId) + /*"&weight=" + String(weight) +*/"&action=insertRfIdLog";
    http.begin("http://192.168.1.9/gardensuite/php/rfid.php");            
    http.addHeader("Content-Type","application/x-www-form-urlencoded");  
    
    int httpCode = http.POST(postData); 
    String payload = http.getString();
    Serial.println(httpCode);
    Serial.println(payload);
    
    if(payload.equals("success")) {
     digitalWrite(SUCCESS_PIN,HIGH);
    } else {
     digitalWrite(ERROR_PIN,HIGH);
    }
    
    http.end();
  }
}

void toggleConnStat() {
  if(WiFi.status() == WL_CONNECTED) {
    digitalWrite(CONN_PIN,HIGH);
  } else {
    digitalWrite(CONN_PIN,LOW);
  }
}

void loop() {
  
  if ( mfrc522.PICC_IsNewCardPresent()){
    if ( mfrc522.PICC_ReadCardSerial()){
      long code=0;
      for (byte i = 0; i < mfrc522.uid.size; i++){
        code=((code+mfrc522.uid.uidByte[i])*10);
      }
      Serial.print(code);
      sendRfidLog(code);
    }
  }
  
  toggleConnStat();
  delay (500);
  
  digitalWrite(SUCCESS_PIN,LOW);
  digitalWrite(ERROR_PIN,LOW);

  static boolean newDataReady = 0;
    const int serialPrintInterval = 0; //increase value to slow down serial print activity
  
    // check for new data/start next conversion:
    if (LoadCell.update()) newDataReady = true;
  
    // get smoothed value from the dataset:
    if (newDataReady) {
      if (millis() > t + serialPrintInterval) {
        float weight = LoadCell.getData();
        Serial.print("Load_cell output val: ");
        Serial.println(weight);
        newDataReady = 0;
        t = millis();
      }
    }
}