RabbitMq如何手动连接及生产者发送消息

这篇文章主要讲解了"RabbitMq如何手动连接及生产者发送消息"，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习"RabbitMq如何手动连接及生产者发送消息"吧！

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.concurrent.TimeoutException;

import javax.annotation.PostConstruct;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;

@Component
public class RabbitSender {

private static final Logger logger = LoggerFactory.getLogger(RabbitSender.class);

private Channel channel = null;

@Value("${btc.mes.spring.rabbitmq.host:10.86.210.15}")
private String addr;
@Value("${btc.mes.spring.rabbitmq.port:5672}")
private int port;
@Value("${btc.mes.spring.rabbitmq.username:cmes_weirui}")
private String username;
@Value("${btc.mes.spring.rabbitmq.password:cmes_weirui@14&3}")
private String password;
@Value("${btc.mes.spring.rabbitmq.mq:batterytraceability}")
private String mq;//队列名称

@PostConstruct
public void init() {
ConnectionFactory connectionFactory = new ConnectionFactory();
connectionFactory.setHost(addr);
connectionFactory.setPort(port);
connectionFactory.setUsername(username);//用户名
connectionFactory.setPassword(password);//密码

try {
Connection con = connectionFactory.newConnection();
channel = con.createChannel();
} catch (IOException e) {
e.printStackTrace();
} catch (TimeoutException e) {
e.printStackTrace();
}
}

//发送消息，不需要实现任何接口，供外部调用。
public void send(String msg){
logger.info("开始发送消息 : " + msg);
try {
channel.basicPublish("",mq,null,msg.getBytes("UTF-8"));
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
logger.info("结束发送消息 : " + msg);
}
}

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