aqi计算公式更新

于紫祥_1901

2020-12-01 4650388e8954ab6291fa0effb439b6ed3eb6eaa7

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package com.moral.util;
 
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
 
public class RabbitMQUtils {
    private  static ConnectionFactory factory ;
 
    static{
        factory = new ConnectionFactory();
        factory.setHost("47.96.15.25");//设置连接地址
        factory.setPort(5672);//设置端口
        factory.setUsername("guest");
        factory.setPassword("guest_pass");
        factory.setVirtualHost("/");//设置虚拟主机
    }
 
    public static Connection getConnection(){
        try{
            return factory.newConnection();
        }catch (Exception e){
            e.printStackTrace();
        }
        return null;
    }
 
    public static void closeConnectionChannel(Connection connection, Channel channel){
        try{
            if(channel!=null)
                channel.close();
            if(connection!=null)
                connection.close();
        }catch (Exception e){
            e.printStackTrace();
        }
    }
 
    public static void closeChannel( Channel channel){
        try{
            if(channel!=null)
                channel.close();
        }catch (Exception e){
            e.printStackTrace();
        }
    }
}