update 优化 WorkflowService 增加获取流程变量方法

ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/WorkflowService.java

@@ -46,6 +46,13 @@ public interface WorkflowService {
      */
     void setVariable(Long instanceId, Map<String, Object> variable);
 
+    /**
+     * 获取流程变量
+     *
+     * @param instanceId 流程实例id
+     */
+    Map<String, Object> instanceVariable(Long instanceId);
+
     /**
      * 按照业务id查询流程实例id
      *

ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IFlwInstanceService.java

@@ -123,7 +123,7 @@ public interface IFlwInstanceService {
      * @param instanceId 实例id
      * @return 结果
      */
-    Map<String, Object> instanceVariable(String instanceId);
+    Map<String, Object> instanceVariable(Long instanceId);
 
     /**
      * 设置流程变量

ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwInstanceServiceImpl.java

@@ -344,7 +344,7 @@ public class FlwInstanceServiceImpl implements IFlwInstanceService {
      * @param instanceId 实例id
      */
     @Override
-    public Map<String, Object> instanceVariable(String instanceId) {
+    public Map<String, Object> instanceVariable(Long instanceId) {
         Map<String, Object> map = new HashMap<>();
         FlowInstance flowInstance = flowInstanceMapper.selectById(instanceId);
         Map<String, Object> variableMap = flowInstance.getVariableMap();

ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/WorkflowServiceImpl.java

@@ -78,6 +78,16 @@ public class WorkflowServiceImpl implements WorkflowService {
         flwInstanceService.setVariable(instanceId, variables);
     }
 
+    /**
+     * 获取流程变量
+     *
+     * @param instanceId 流程实例id
+     */
+    @Override
+    public Map<String, Object> instanceVariable(Long instanceId) {
+        return flwInstanceService.instanceVariable(instanceId);
+    }
+
     /**
      * 按照业务id查询流程实例id
      *