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Java架构师-十项全能:打造高度深度广度兼备的全面技术人才
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下载地址:百度云盘
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Java架构师-十项全能这门课程目标:全面提升架构师十项能力与全方位思维,让你具备综合能力与大局观。是架构之道,学会了可终身受益无穷。课程特色:慕课网联合7位大厂P8级架构师独创Java扛鼎之作,内容深度匹配大厂架构师岗位要求,主流框架架构与源码独家方式剖析,大量密不外传的一线大厂实战案例与架构思想分享,互联网行业资深HR亲临指导面试。如果你已经掌握了主流技术,想系统掌握架构设计知识体系,全面提升综合能力,具备全方位思维,领略架构之道。
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1.根本行列消息发送和接收
简略模型,运用默许exchange,发送到指定queue,1对1发送接收。
发送方-->(默许Exchange)-->Queue-->接收方
(1)发送指定行列消息
import java.io.IOException;
import java.util.concurrent.TimeoutException;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
public class SendDemo {
private final static String QUEUE_NAME = "hello";
public static void main(String[] argv) {
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
Connection connection = null;
try {
connection = factory.newConnection();
Channel channel = connection.createChannel();
// 定义非耐久queue
channel.queueDeclare(QUEUE_NAME, false, false, false, null);
String message = "Hello World!";
// 发送消息到默许exchange,指定queue
channel.basicPublish("", QUEUE_NAME, null, message.getBytes("UTF-8"));
System.out.println(" [x] Sent '" + message + "'");
channel.close();
connection.close();
} catch (IOException e) {
e.printStackTrace();
} catch (TimeoutException e) {
e.printStackTrace();
}
}
}
(2)经过拉形式消费消息(不举荐)
import java.io.IOException;
import java.util.concurrent.TimeoutException;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.GetResponse;
/**
* 经过拉形式消费消息(不举荐)
*
* @date 2019年3月8日 下午3:31:14
*/
public class RecvPull {
private final static String QUEUE_NAME = "hello";
public static void main(String[] argv) {
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
Connection connection = null;
try {
connection = factory.newConnection();
Channel channel = connection.createChannel();
// 定义非耐久queue
channel.queueDeclare(QUEUE_NAME, false, false, false, null);
System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
// 开端消费指定queue的消息
while (true) {
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
e.printStackTrace();
}
GetResponse response = channel.basicGet(QUEUE_NAME, true);
if (response == null) {
continue;
}
String responseStr = new String(response.getBody());
System.out.println("responseStr: " + responseStr);
}
} catch (IOException e) {
e.printStackTrace();
} catch (TimeoutException e) {
e.printStackTrace();
}
}
}
(3)经过推形式消费消息(举荐)
import java.io.IOException;
import java.util.concurrent.TimeoutException;
import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.Consumer;
import com.rabbitmq.client.DefaultConsumer;
import com.rabbitmq.client.Envelope;
/**
* 经过推形式消费消息(举荐)
*
* @date 2019年3月8日 下午3:31:56
*/
public class RecvPush {
private final static String QUEUE_NAME = "hello";
public static void main(String[] argv) {
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
Connection connection = null;
try {
connection = factory.newConnection();
Channel channel = connection.createChannel();
// 定义非耐久queue
channel.queueDeclare(QUEUE_NAME, false, false, false, null);
System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
// 定义监听顾客
Consumer consumer = new DefaultConsumer(channel) {
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
byte[] body) throws IOException {
String message = new String(body, "UTF-8");
System.out.println(" [x] Received '" + message + "'");
}
};
// 开端消费指定queue的消息
channel.basicConsume(QUEUE_NAME, true, consumer);
} catch (IOException e) {
e.printStackTrace();
} catch (TimeoutException e) {
e.printStackTrace();
}
}
}
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