add 增加 发布订阅 演示案例

ruoyi-demo/src/main/java/com/ruoyi/demo/controller/RedisPubSubController.java

@@ -0,0 +1,44 @@
+package com.ruoyi.demo.controller;
+
+import com.ruoyi.common.core.domain.AjaxResult;
+import com.ruoyi.common.core.redis.RedisCache;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * Redis 发布订阅 演示案例
+ *
+ * @author Lion Li
+ */
+@Api(value = "Redis发布订阅 演示案例", tags = {"Redis发布订阅"})
+@RequiredArgsConstructor(onConstructor_ = @Autowired)
+@RestController
+@RequestMapping("/demo/redis/pubsub")
+public class RedisPubSubController {
+
+	private final RedisCache redisCache;
+
+	@ApiOperation("发布消息")
+	@GetMapping("/pub")
+	public AjaxResult<Void> pub(String key, String value){
+		redisCache.publish(key, value, consumer -> {
+			System.out.println("发布通道 => " + key + ", 发送值 => " + value);
+		});
+		return AjaxResult.success("操作成功");
+	}
+
+	@ApiOperation("订阅消息")
+	@GetMapping("/sub")
+	public AjaxResult<Void> sub(String key){
+		redisCache.subscribe(key, String.class, msg -> {
+			System.out.println("订阅通道 => " + key + ", 接收值 => " + msg.toString());
+		});
+		return AjaxResult.success("操作成功");
+	}
+
+}