// LoRaFi receiving data using interrupt
#include <LoRaFi.h>
//creat object to call functions of LoRaFi library
LoRaFi LoRaFi;
const int messageLength = 11;
char message[messageLength];
void setup() {
//initialize serial communication
Serial.begin(9600);
delay(100);
//initialize LoRa module
LoRaFi.begin();
delay(100);
// activate the interrupt on LoRaFi receiving
LoRaFi.ReceivingInterrupt(receiveMessage);
}
void loop() {
//Just waiting the interrupt and do nothing
delay(1000);
}
//callback function to receve the temperature and humidity using interrupt routine
void receiveMessage()
{
Serial.print("Received Message: ");
//Receive message
LoRaFi.ReceivePackage(message,messageLength);
//Print received message
int i;
for(i=0; i<messageLength; i++)
{
Serial.print(message[i]);
}
Serial.println();
}
在v12中似乎不适用于我，只是说client.roles.cache.size未定义
是否有其他方法可以获取机器人当前在所有行会中实例化的角色的总数？
答案 0 :(得分：3)
Client没有名为roles的属性。此属性属于Guild。
您可以通过roles.cache.size映射公会并获取数组的总和。
const roles = client.guilds.cache.map(guild => guild.roles.cache.size);
console.log(`Total Roles: ${roles.reduce((a, b) => a + b, 0)}`);