fix 修复 关闭应用找不到线程池bean问题

ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/config/ThreadPoolConfig.java

@@ -4,7 +4,6 @@ import jakarta.annotation.PreDestroy;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.concurrent.BasicThreadFactory;
 import org.dromara.common.core.config.properties.ThreadPoolProperties;
-import org.dromara.common.core.utils.SpringUtils;
 import org.dromara.common.core.utils.Threads;
 import org.springframework.boot.autoconfigure.AutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
@@ -31,6 +30,8 @@ public class ThreadPoolConfig {
      */
     private final int core = Runtime.getRuntime().availableProcessors() + 1;
 
+    private ScheduledExecutorService scheduledExecutorService;
+
     @Bean(name = "threadPoolTaskExecutor")
     @ConditionalOnProperty(prefix = "thread-pool", name = "enabled", havingValue = "true")
     public ThreadPoolTaskExecutor threadPoolTaskExecutor(ThreadPoolProperties threadPoolProperties) {
@@ -48,7 +49,7 @@ public class ThreadPoolConfig {
      */
     @Bean(name = "scheduledExecutorService")
     protected ScheduledExecutorService scheduledExecutorService() {
-        return new ScheduledThreadPoolExecutor(core,
+        ScheduledThreadPoolExecutor scheduledThreadPoolExecutor = new ScheduledThreadPoolExecutor(core,
             new BasicThreadFactory.Builder().namingPattern("schedule-pool-%d").daemon(true).build(),
             new ThreadPoolExecutor.CallerRunsPolicy()) {
             @Override
@@ -57,6 +58,8 @@ public class ThreadPoolConfig {
                 Threads.printException(r, t);
             }
         };
+        this.scheduledExecutorService = scheduledThreadPoolExecutor;
+        return scheduledThreadPoolExecutor;
     }
 
     /**
@@ -66,7 +69,6 @@ public class ThreadPoolConfig {
     public void destroy() {
         try {
             log.info("====关闭后台任务任务线程池====");
-            ScheduledExecutorService scheduledExecutorService = SpringUtils.getBean("scheduledExecutorService");
             Threads.shutdownAndAwaitTermination(scheduledExecutorService);
         } catch (Exception e) {
             log.error(e.getMessage(), e);