init

.gitignore

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+.DS_Store
+*/.DS_Store
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+log/
+/db/*.sql
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+/src/main/java/com/semsx/common/config/InterceptorConfig.java
+/src/main/java/com/semsx/common/interceptor/PermsMethodInterceptor.java
+/src/main/resources/banner.txt
+/src/test/java/com/semsx/JavaTest.java

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.example</groupId>
+    <artifactId>spring_demo</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>5.2.2.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.rabbitmq</groupId>
+            <artifactId>amqp-client</artifactId>
+            <version>5.3.0</version>
+        </dependency>
+    </dependencies>
+
+</project>

src/main/java/Main.java

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+import com.controller.UserController;
+import com.service.MqService;
+import com.service.UserService;
+import com.service.impl.MqServiceImpl;
+import com.service.impl.UserServiceImpl;
+import org.springframework.beans.factory.BeanFactory;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+import org.springframework.context.support.FileSystemXmlApplicationContext;
+
+public class Main {
+    public static void main(String[] args) throws Exception {
+        ApplicationContext applicationContext = new ClassPathXmlApplicationContext("context.xml");
+        BeanFactory beanFactory = (BeanFactory) applicationContext;
+//        ApplicationContext applicationContext = new FileSystemXmlApplicationContext("C:\\java\\renren\\spring_demo\\src\\main\\resources\\context.xml");
+        Object userController = beanFactory.getBean(UserController.class);
+        UserService bean = applicationContext.getBean(UserServiceImpl.class);
+
+        // userService1 在 xml文件中定义
+        MqService mqService =(MqService) applicationContext.getBean(MqServiceImpl.class);
+//        mqService.pushRabbitMessage();
+//        Thread.sleep(2000);
+//        mqService.listenRabbitQueue();
+    }
+}

src/main/java/com/controller/UserController.java

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+package com.controller;
+
+import org.springframework.stereotype.Controller;
+
+@Controller
+public class UserController {
+}

src/main/java/com/service/MqService.java

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+package com.service;
+
+public interface MqService {
+    void pushRabbitMessage();
+    void listenRabbitQueue();
+}

src/main/java/com/service/UserService.java

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+package com.service;
+
+public interface UserService {
+}

src/main/java/com/service/impl/MqServiceImpl.java

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+package com.service.impl;
+
+import com.rabbitmq.client.*;
+import com.service.MqService;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.PostConstruct;
+import java.io.IOException;
+
+@Service("MqServiceImpl")
+public class MqServiceImpl implements MqService {
+    ConnectionFactory connectionFactory;
+    Connection connection;
+    Channel channel;
+    @PostConstruct
+    public void init() {
+        connectionFactory = new ConnectionFactory();
+        connectionFactory.setHost("47.110.156.18");
+        connectionFactory.setPort(5672);
+        connectionFactory.setUsername("semsx");
+        connectionFactory.setVirtualHost("/scanmq");
+        connectionFactory.setPassword("sczn2017");
+        try {
+            connection = connectionFactory.newConnection();
+            channel = connection.createChannel();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        System.out.println("init");
+    }
+
+    @Override
+    public void pushRabbitMessage() {
+        try {
+            // 获取信道
+            AMQP.Queue.DeclareOk declareOk = channel.queueDeclare("0503declare", false, false, true, null);
+            System.out.println("队列生成成功");
+            channel.basicPublish("","0503declare",null,"messageOH".getBytes());
+            System.out.println("队列推送消息成功");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void listenRabbitQueue() {
+        DeliverCallback deliverCallback = (tag,message)->{
+            System.out.println(new String(message.getBody()));
+        };
+        CancelCallback cancelCallback = System.out::println;
+        try {
+            channel.basicConsume("0503declare",true,deliverCallback,cancelCallback);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/com/service/impl/UserServiceImpl.java

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+package com.service.impl;
+
+import com.service.UserService;
+import org.springframework.stereotype.Service;
+@Service("UserServiceImpl")
+public class UserServiceImpl implements UserService {
+
+}

src/main/resources/context.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
+<!--    <bean id="userService1" class="com.service.impl.UserServiceImpl">-->
+<!--&lt;!&ndash;        <constructor-arg name="userDao" ref="UserDao"></constructor-arg>&ndash;&gt;-->
+<!--    </bean>-->
+    <context:component-scan base-package="com"></context:component-scan>
+</beans>