1.排队取号 取号打印小票，增加订阅接口

src/main/java/com/chaozhanggui/system/cashierservice/rabbit/RabbitConstants.java

@@ -68,4 +68,10 @@ public interface RabbitConstants {
 	public static final String BALANCE_QUEUE_PUT="balance_queue_put";
 
 	public static final String BALANCE_ROUTINGKEY_PUT="balance_routingkey_put";
+
+	String EXCHANGE_PRINT = "exchange.print";
+
+	// 排队小票打印
+	String QUEUE_PRINT_CALL_TABLE = "queue.print.call.table";
+	String ROUTING_KEY_CALL_TABLE = "routing.call.table";
 }