解决了数据库连接长时间不使用导致自动关闭的问题，spring定时任务，每小时进行简单数据库交互，这样数据库连接一直保持着

src/main/java/service/impl/CrawlerService.java

@@ -10,6 +10,7 @@ import org.jsoup.nodes.Element;
 import org.jsoup.select.Elements;
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 import service.ICrawlerService;
 
@@ -111,4 +112,10 @@ public class CrawlerService implements ICrawlerService {
         return builder.toString();
     }
 
+    @Scheduled(cron = "0 0 * * * ?")
+    public void MysqlConnection(){
+        List<Equipment> equipmentList = equipmentDao.selectAll();
+        System.out.println("scheduled...........");
+    }
+
 }

src/main/resources/spring-tx.xml

@@ -3,6 +3,7 @@
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:aop="http://www.springframework.org/schema/aop"
        xmlns:mvc="http://www.springframework.org/schema/mvc"
+       xmlns:task="http://www.springframework.org/schema/task"
        xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
         http://www.springframework.org/schema/beans/spring-beans.xsd
@@ -13,5 +14,9 @@
         http://www.springframework.org/schema/tx
         http://www.springframework.org/schema/tx/spring-tx.xsd
         http://www.springframework.org/schema/mvc
-        http://www.springframework.org/schema/mvc/spring-mvc.xsd">
+        http://www.springframework.org/schema/mvc/spring-mvc.xsd
+        http://www.springframework.org/schema/task
+        http://www.springframework.org/schema/task/spring-task.xsd">
+    <task:annotation-driven/>
+    <context:component-scan base-package="service.impl"/>
 </beans>
\ No newline at end of file