yxk-20260506-自定义监听class：

SaveCurrentTaskAssigneeLocalListener保存当前节点办理人到子流程的局部变量中去

jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/extbpm/listener/task/SaveCurrentTaskAssigneeLocalListener.java

@@ -0,0 +1,44 @@
+package org.jeecg.modules.extbpm.listener.task;
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang.StringUtils;
+import org.flowable.engine.RuntimeService;
+import org.flowable.engine.delegate.TaskListener;
+import org.flowable.task.service.delegate.DelegateTask;
+import org.jeecg.common.util.SpringContextUtils;
+
+/**
+ * Save the current task assignee as an execution local variable.
+ */
+@Slf4j
+public class SaveCurrentTaskAssigneeLocalListener implements TaskListener {
+    private static final long serialVersionUID = 1L;
+    private static final String VARIABLE_NAME = "subApproveLeader";
+
+    private static RuntimeService runtimeService;
+
+    static {
+        runtimeService = SpringContextUtils.getBean(RuntimeService.class);
+    }
+
+    @Override
+    public void notify(DelegateTask delegateTask) {
+        if (delegateTask == null) {
+            return;
+        }
+        String assignee = delegateTask.getAssignee();
+        if (StringUtils.isBlank(assignee)) {
+            log.warn("SaveCurrentTaskAssigneeLocalListener skipped, taskId={}, taskDefinitionKey={}, assignee is blank",
+                    delegateTask.getId(), delegateTask.getTaskDefinitionKey());
+            return;
+        }
+        if (StringUtils.isBlank(delegateTask.getExecutionId())) {
+            log.warn("SaveCurrentTaskAssigneeLocalListener skipped, taskId={}, taskDefinitionKey={}, executionId is blank",
+                    delegateTask.getId(), delegateTask.getTaskDefinitionKey());
+            return;
+        }
+        runtimeService.setVariableLocal(delegateTask.getExecutionId(), VARIABLE_NAME, assignee);
+        log.info("SaveCurrentTaskAssigneeLocalListener success, taskId={}, taskDefinitionKey={}, variableName={}, assignee={}",
+                delegateTask.getId(), delegateTask.getTaskDefinitionKey(), VARIABLE_NAME, assignee);
+    }
+}