一．創建spring boot項目
dependency>
groupId>org.springframework.boot/groupId>
artifactId>spring-boot-starter-data-redis/artifactId>
/dependency>
dependency>
groupId>org.springframework.boot/groupId>
artifactId>spring-boot-starter-web/artifactId>
/dependency>
dependency>
groupId>com.alibaba/groupId>
artifactId>fastjson/artifactId>
version>1.2.41/version>
/dependency>
二．編輯yml配置文件
server:
port: 7888
# 日志配置
logging:
config: classpath:log/logback.xml
level:
cn.com.dhcc: info
org.springframework: info
org.springframework.web: info
com.alibaba.nacos.client.naming: error
spring:
redis:
host: localhost
port: 6379
password: *********
database: 1
jedis:
pool:
max-idle: 8
max-active: 8
max-wait: -1
min-idle: 0
timeout: 5000
三．配置Redis
@Configuration
public class RedisConfiguration {
/**
* 實例化 RedisTemplate 對象
*
* @return
*/
@Bean("RedisTemplateS")
public RedisTemplateString, Object> functionDomainRedisTemplate(RedisConnectionFactory redisConnectionFactory) {
RedisTemplateString, Object> redisTemplate = new RedisTemplate>();
initDomainRedisTemplate(redisTemplate, redisConnectionFactory);
return redisTemplate;
}
/**
* 設置數據存入 redis 的序列化方式,并開啟事務
*
* @param redisTemplate
* @param factory
*/
private void initDomainRedisTemplate(@Qualifier("RedisTemplateS") RedisTemplateString, Object> redisTemplate, RedisConnectionFactory factory) {
// 如果不配置Serializer，那么存儲的時候缺省使用String，如果用User類型存儲，那么會提示錯誤User can't cast to
// String！
redisTemplate.setKeySerializer(new StringRedisSerializer());
redisTemplate.setHashKeySerializer(new StringRedisSerializer());
FastJsonRedisSerializerObject> fastJsonRedisSerializer = new FastJsonRedisSerializerObject>(Object.class);
redisTemplate.setHashValueSerializer(fastJsonRedisSerializer);
redisTemplate.setValueSerializer(fastJsonRedisSerializer);
//redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());
//redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());
// 開啟事務
redisTemplate.setEnableTransactionSupport(true);
redisTemplate.setConnectionFactory(factory);
}
/**
* 注入封裝RedisTemplate @Title: redisUtil @return RedisUtil @date
*
*/
@Bean(name = "redisUtils")
public RedisUtils redisUtil(@Qualifier("RedisTemplateS") RedisTemplateString, Object> redisTemplate) {
RedisUtils redisUtil = new RedisUtils();
redisUtil.setRedisTemplate(redisTemplate);
return redisUtil;
}
四．編寫RedisUtil消息發布方法
public class RedisUtils {
private static final Logger log = LoggerFactory.getLogger(RedisUtils.class);
private RedisTemplateString, Object> redisTemplate;
public void setRedisTemplate(RedisTemplateString, Object> redisTemplate) {
this.redisTemplate = redisTemplate;
}
public void publish(String channal ,Object obj) {
redisTemplate.convertAndSend(channal,obj );
}
}
五．配置消息監聽
@Configuration
public class RedisMessageListener {
/**
* 創建連接工廠
* @param connectionFactory
* @param listenerAdapter
* @return
*/
@Bean
public RedisMessageListenerContainer container(RedisConnectionFactory connectionFactory,
MessageListenerAdapter listenerAdapter,MessageListenerAdapter listenerAdapter2){
RedisMessageListenerContainer container = new RedisMessageListenerContainer();
container.setConnectionFactory(connectionFactory);
//接受消息的key
container.addMessageListener(listenerAdapter,new PatternTopic("phone"));
return container;
}
/**
* 綁定消息監聽者和接收監聽的方法
* @param receiver
* @return
*/
@Bean
public MessageListenerAdapter listenerAdapter(ReceiverRedisMessage receiver){
return new MessageListenerAdapter(receiver,"receiveMessage");
}
/**
* 注冊訂閱者
* @param latch
* @return
*/
@Bean
ReceiverRedisMessage receiver(CountDownLatch latch) {
return new ReceiverRedisMessage(latch);
}
/**
* 計數器，用來控制線程
* @return
*/
@Bean
public CountDownLatch latch(){
return new CountDownLatch(1);//指定了計數的次數 1
}
}
六．消息訂閱方法
public class ReceiverRedisMessage {
private static final Logger log = LoggerFactory.getLogger(ReceiverRedisMessage.class);
private CountDownLatch latch;
@Autowired
public ReceiverRedisMessage(CountDownLatch latch) {
this.latch = latch;
}
/**
* 隊列消息接收方法
*
* @param jsonMsg
*/
public void receiveMessage(String jsonMsg) {
log.info("[開始消費REDIS消息隊列phone數據...]");
try {
log.info("監聽者收到消息：{}", jsonMsg);
JSONObject exJson = JSONObject.parseObject(jsonMsg);
User user = JSON.toJavaObject(exJson, User.class);
System.out.println("轉化為對象 ："+user);
log.info("[消費REDIS消息隊列phone數據成功.]");
} catch (Exception e) {
log.error("[消費REDIS消息隊列phone數據失敗，失敗信息:{}]", e.getMessage());
}
latch.countDown();
}
}
七．定時消息發布測試
@EnableScheduling
@Component
public class PublisherController {
private static final Logger log = LoggerFactory.getLogger(PublisherController.class);
@Autowired
private RedisUtils redisUtils;
@Scheduled(fixedRate = 5000)
public String pubMsg() {
User user=new User(1, "尚***", 26,"男","陜西省xxxx市xxxxxx縣");
redisUtils.publish("phone", user);
log.info("Publisher sendes Topic... ");
return "success";
}
}
八．測試結果
九．發布對象User實體
public class User implements Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private int id;
private String name;
private int age;
private String sex;
private String address;
.....................
}
到此這篇關于Spring boot+redis實現消息發布與訂閱的文章就介紹到這了,更多相關Spring boot redis消息發布與訂閱內容請搜索腳本之家以前的文章或繼續瀏覽下面的相關文章希望大家以后多多支持腳本之家！
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