refactor(flow): 简化标题解析逻辑并增加未解析标记

- 移除标题解析中对 FlowTaskExt、FlowEntry、FlowEntryPublish 的前置条件判断，标题只认 zz_flow_task_instance_ext 落库值
- 删除 FlowApiServiceImpl 和 FlowOperationController 中冗余的批量预加载逻辑，减少不必要的数据库查询
- 新增 title_incomplete 字段，当标题中残留未解析的 ${...} 占位符时自动标记
- FlowTaskInstanceExtMapper.xml 的 upsert 语句增加 title_incomplete 字段的插入与更新
- FlowTaskTitleBackfillServiceImpl 回填时统计 incomplete 条数，FlowTaskTitleBackfillVo 新增 incompleteCount 字段
- FlowConstant 中新增 TITLE_PLACEHOLDER_PREFIX 常量用于占位符检测

common/common-flow/src/main/java/apelet/common/flow/constant/FlowConstant.java

@@ -39,6 +39,13 @@ public class FlowConstant {
     public static final String SUBMIT_USER_VAR = "submitUser";
 
     /**
+     * 标题模板里未解析占位符的起始标记。
+     * <p>resolveTitle 对"占位符取不到值"是静默处理的 —— 不删不报错，把 ${xxx} 原样留在标题里
+     * （最常见的原因是该实例的业务数据已经不存在了）。写入标题时据此打 title_incomplete 标记。</p>
+     */
+    public static final String TITLE_PLACEHOLDER_PREFIX = "${";
+
+    /**
      * 多任务拒绝数量变量。
      */
     public static final String MULTI_REFUSE_COUNT_VAR = "multiRefuseCount";

common/common-flow/src/main/java/apelet/common/flow/controller/FlowOperationController.java

@@ -853,18 +853,6 @@ public class FlowOperationController {
             // 节点标题按实例批量预载（一次 IN 查询覆盖整页），避免逐行查询造成 N+1。
             Map<String, FlowTaskInstanceExt> taskInstanceExtMap =
                     flowTaskInstanceExtService.getMapByProcessInstanceIds(instanceIdSet);
-            Set<String> processDefinitionIdSet = taskInstanceList.stream()
-                    .map(HistoricTaskInstance::getProcessDefinitionId).collect(Collectors.toSet());
-            List<FlowEntryPublish> flowEntryPublishList =
-                    flowEntryService.getFlowEntryPublishList(processDefinitionIdSet);
-            Map<String, FlowEntryPublish> flowEntryPublishMap =
-                    flowEntryPublishList.stream().collect(Collectors.toMap(FlowEntryPublish::getProcessDefinitionId, c -> c));
-            Set<Long> entryIdSet = flowEntryPublishList.stream()
-                    .map(FlowEntryPublish::getEntryId).filter(Objects::nonNull).collect(Collectors.toSet());
-            Map<Long, FlowEntry> flowEntryMap = flowEntryService.listByIds(entryIdSet).stream()
-                    .collect(Collectors.toMap(FlowEntry::getEntryId, e -> e));
-            Map<String, FlowTaskExt> flowTaskExtMap = flowTaskExtService.getByProcessDefinitionId(processDefinitionIdSet).stream()
-                    .collect(Collectors.toMap(t -> t.getProcessDefinitionId() + ":" + t.getTaskId(), t -> t, (k1, k2) -> k1));
             resultList.forEach(result -> {
                 String instanceId = result.get(INSTANCE_ID).toString();
                 HistoricProcessInstance instance = instanceMap.get(instanceId);
@@ -878,19 +866,11 @@ public class FlowOperationController {
                 FlowWorkOrder flowWorkOrder = workOrderMap.get(instanceId);
                 if (flowWorkOrder != null) {
                     result.put("workOrderCode", flowWorkOrder.getWorkOrderCode());
-                    String processDefinitionId = result.get("processDefinitionId").toString();
-                    FlowEntryPublish flowEntryPublish = flowEntryPublishMap.get(processDefinitionId);
-                    FlowTaskExt flowTaskExt = flowTaskExtMap.get(
-                            processDefinitionId + ":" + result.get("taskDefinitionKey"));
-                    if (flowEntryPublish != null && flowTaskExt != null) {
-                        FlowEntry flowEntry = flowEntryMap.get(flowEntryPublish.getEntryId());
-                        if (flowEntry != null) {
-                            Object taskDefinitionKey = result.get("taskDefinitionKey");
-                            String taskKey = taskDefinitionKey == null ? null : taskDefinitionKey.toString();
-                            result.put("title", flowApiService.resolveTitleCached(flowWorkOrder, taskKey,
-                                    taskKey == null ? null : taskInstanceExtMap.get(instanceId + ":" + taskKey)));
-                        }
-                    }
+                    // 标题只认 zz_flow_task_instance_ext 的落库值：没有标题行就是空
+                    Object taskDefinitionKey = result.get("taskDefinitionKey");
+                    String taskKey = taskDefinitionKey == null ? null : taskDefinitionKey.toString();
+                    result.put("title", flowApiService.resolveTitleCached(flowWorkOrder, taskKey,
+                            taskKey == null ? null : taskInstanceExtMap.get(instanceId + ":" + taskKey)));
                 }
             });
             Set<String> taskIdSet =
@@ -949,22 +929,11 @@ public class FlowOperationController {
         Map<String, FlowTaskInstanceExt> taskInstanceExtMap = flowTaskInstanceExtService.getMapByProcessInstanceIds(instanceIdSet);
         Set<String> processDefinitionIdSet = pageData.getDataList().stream()
                 .map(HistoricProcessInstance::getProcessDefinitionId).collect(Collectors.toSet());
-        Map<String, FlowEntryPublish> flowEntryPublishMap = new HashMap<>();
-        Map<Long, FlowEntry> flowEntryMap = new HashMap<>();
-        Map<String, FlowTaskExt> flowTaskExtMap = new HashMap<>();
-        // 流程实例列表使用起始节点的标题模板。
+        // 流程实例列表使用起始节点的标题，首节点 taskKey 存在发布版本的 initTaskInfo 里。
         Map<String, String> initTaskKeyMap = new HashMap<>();
         if (CollUtil.isNotEmpty(processDefinitionIdSet)) {
             List<FlowEntryPublish> flowEntryPublishList =
                     flowEntryService.getFlowEntryPublishList(processDefinitionIdSet);
-            flowEntryPublishMap.putAll(flowEntryPublishList.stream()
-                    .collect(Collectors.toMap(FlowEntryPublish::getProcessDefinitionId, c -> c)));
-            Set<Long> entryIdSet = flowEntryPublishList.stream()
-                    .map(FlowEntryPublish::getEntryId).filter(Objects::nonNull).collect(Collectors.toSet());
-            if (CollUtil.isNotEmpty(entryIdSet)) {
-                flowEntryMap.putAll(flowEntryService.listByIds(entryIdSet).stream()
-                        .collect(Collectors.toMap(FlowEntry::getEntryId, e -> e)));
-            }
             for (FlowEntryPublish flowEntryPublish : flowEntryPublishList) {
                 TaskInfoVo initTaskInfo = StrUtil.isBlank(flowEntryPublish.getInitTaskInfo())
                         ? null : JSON.parseObject(flowEntryPublish.getInitTaskInfo(), TaskInfoVo.class);
@@ -972,8 +941,6 @@ public class FlowOperationController {
                     initTaskKeyMap.put(flowEntryPublish.getProcessDefinitionId(), initTaskInfo.getTaskKey());
                 }
             }
-            flowTaskExtMap.putAll(flowTaskExtService.getByProcessDefinitionId(processDefinitionIdSet).stream()
-                    .collect(Collectors.toMap(t -> t.getProcessDefinitionId() + ":" + t.getTaskId(), t -> t, (k1, k2) -> k1)));
         }
         List<Map<String, Object>> resultList = new LinkedList<>();
         pageData.getDataList().forEach(instance -> {
@@ -987,18 +954,10 @@ public class FlowOperationController {
             if (workOrder != null) {
                 data.put("workOrderCode", workOrder.getWorkOrderCode());
                 data.put("flowStatus", workOrder.getFlowStatus());
-                FlowEntryPublish flowEntryPublish = flowEntryPublishMap.get(instance.getProcessDefinitionId());
-                FlowTaskExt flowTaskExt = flowTaskExtMap.get(
-                        instance.getProcessDefinitionId() + ":" + initTaskKeyMap.get(instance.getProcessDefinitionId()));
-                if (flowEntryPublish != null && flowTaskExt != null) {
-                    FlowEntry flowEntry = flowEntryMap.get(flowEntryPublish.getEntryId());
-                    if (flowEntry != null) {
-                        // 流程实例列表使用起始节点的标题。
-                        String initTaskKey = initTaskKeyMap.get(instance.getProcessDefinitionId());
-                        data.put("title", flowApiService.resolveTitleCached(workOrder, initTaskKey,
-                                initTaskKey == null ? null : taskInstanceExtMap.get(instance.getId() + ":" + initTaskKey)));
-                    }
-                }
+                // 流程实例列表使用起始节点的标题；标题只认落库值，没有标题行就是空
+                String initTaskKey = initTaskKeyMap.get(instance.getProcessDefinitionId());
+                data.put("title", flowApiService.resolveTitleCached(workOrder, initTaskKey,
+                        initTaskKey == null ? null : taskInstanceExtMap.get(instance.getId() + ":" + initTaskKey)));
             }
             resultList.add(data);
         });

common/common-flow/src/main/java/apelet/common/flow/dao/mapper/FlowTaskInstanceExtMapper.xml

@@ -9,6 +9,7 @@
         <result column="process_definition_id" jdbcType="VARCHAR" property="processDefinitionId"/>
         <result column="task_key" jdbcType="VARCHAR" property="taskKey"/>
         <result column="title" jdbcType="VARCHAR" property="title"/>
+        <result column="title_incomplete" jdbcType="TINYINT" property="titleIncomplete"/>
         <result column="create_time" jdbcType="TIMESTAMP" property="createTime"/>
         <result column="create_user_id" jdbcType="BIGINT" property="createUserId"/>
         <result column="update_time" jdbcType="TIMESTAMP" property="updateTime"/>
@@ -17,13 +18,14 @@
 
     <insert id="upsert" parameterType="apelet.common.flow.model.FlowTaskInstanceExt">
         INSERT INTO zz_flow_task_instance_ext
-            (id, tenant_id, app_code, process_instance_id, process_definition_id, task_key, title,
-             create_time, create_user_id, update_time, update_user_id)
+            (id, tenant_id, app_code, process_instance_id, process_definition_id, task_key,
+             title, title_incomplete, create_time, create_user_id, update_time, update_user_id)
         VALUES
-            (#{id}, #{tenantId}, #{appCode}, #{processInstanceId}, #{processDefinitionId}, #{taskKey}, #{title},
-             #{createTime}, #{createUserId}, #{updateTime}, #{updateUserId})
+            (#{id}, #{tenantId}, #{appCode}, #{processInstanceId}, #{processDefinitionId}, #{taskKey},
+             #{title}, #{titleIncomplete}, #{createTime}, #{createUserId}, #{updateTime}, #{updateUserId})
         ON DUPLICATE KEY UPDATE
             title = VALUES(title),
+            title_incomplete = VALUES(title_incomplete),
             process_definition_id = VALUES(process_definition_id),
             update_time = VALUES(update_time),
             update_user_id = VALUES(update_user_id)

common/common-flow/src/main/java/apelet/common/flow/model/FlowTaskInstanceExt.java

@@ -61,6 +61,13 @@ public class FlowTaskInstanceExt {
     private String title;
 
     /**
+     * 标题是否未完整解析：0-完整；1-模板里还有没解析出来的 ${...} 占位符。
+     * <p>resolveTitle 取不到值时是静默保留占位符的，靠这个标记才能事后筛出没算全的标题。</p>
+     */
+    @TableField(value = "title_incomplete")
+    private Integer titleIncomplete;
+
+    /**
      * 创建时间。
      */
     @TableField(value = "create_time")

common/common-flow/src/main/java/apelet/common/flow/service/impl/FlowApiServiceImpl.java

@@ -982,11 +982,6 @@ public class FlowApiServiceImpl implements FlowApiService {
                 flowEntryService.getFlowEntryPublishList(processDefinitionIdSet);
         Map<String, FlowEntryPublish> flowEntryPublishMap =
                 flowEntryPublishList.stream().collect(Collectors.toMap(FlowEntryPublish::getProcessDefinitionId, c -> c));
-        // 批量加载流程对象，用于判断在线表单（bindFormType=0）
-        Set<Long> entryIdSet = flowEntryPublishList.stream()
-                .map(FlowEntryPublish::getEntryId).filter(Objects::nonNull).collect(Collectors.toSet());
-        Map<Long, FlowEntry> flowEntryMap = flowEntryService.listByIds(entryIdSet).stream()
-                .collect(Collectors.toMap(FlowEntry::getEntryId, e -> e));
         List<ProcessInstance> instanceList = this.getProcessInstanceList(procInstanceIdSet);
         Map<String, ProcessInstance> instanceMap =
                 instanceList.stream().collect(Collectors.toMap(ProcessInstance::getId, c -> c));
@@ -1000,8 +995,6 @@ public class FlowApiServiceImpl implements FlowApiService {
         // 节点标题按实例批量预载（一次 IN 查询覆盖整页），避免逐行查询造成 N+1。
         Map<String, FlowTaskInstanceExt> taskInstanceExtMap =
                 flowTaskInstanceExtService.getMapByProcessInstanceIds(procInstanceIdSet);
-        List<FlowTaskExt> allFlowTaskExtList = flowTaskExtService.getByProcessDefinitionId(processDefinitionIdSet);
-        Map<String, FlowTaskExt> flowTaskExtMap = allFlowTaskExtList.stream().collect(Collectors.toMap(t -> t.getProcessDefinitionId() + ":" + t.getTaskId(), t -> t, (k1, k2) -> k1));
         Map<String, Boolean> multiInstanceTaskMap = new HashMap<>();
         for (Task task : taskList) {
             FlowTaskVo flowTaskVo = new FlowTaskVo();
@@ -1029,12 +1022,10 @@ public class FlowApiServiceImpl implements FlowApiService {
                 flowTaskVo.setIsDraft(flowWorkOrder.getFlowStatus().equals(FlowTaskStatus.DRAFT));
                 flowTaskVo.setWorkOrderCode(flowWorkOrder.getWorkOrderCode());
             }
-            FlowTaskExt flowTaskExt = flowTaskExtMap.get(task.getProcessDefinitionId() + ":" + task.getTaskDefinitionKey());
-            FlowEntry flowEntry = flowEntryMap.get(flowEntryPublishMap.get(task.getProcessDefinitionId()).getEntryId());
-            if (flowTaskExt != null && flowEntry != null) {
-                flowTaskVo.setTitle(this.resolveTitleCached(flowWorkOrder, task.getTaskDefinitionKey(),
-                        taskInstanceExtMap.get(task.getProcessInstanceId() + ":" + task.getTaskDefinitionKey())));
-            }
+            // 标题只以 zz_flow_task_instance_ext 的落库值为准：没有标题行就是空，
+            // 不需要再按"节点配没配模板""是不是在线表单"做前置判断（那两个条件对标题行本身没有约束力）。
+            flowTaskVo.setTitle(this.resolveTitleCached(flowWorkOrder, task.getTaskDefinitionKey(),
+                    taskInstanceExtMap.get(task.getProcessInstanceId() + ":" + task.getTaskDefinitionKey())));
             flowTaskVoList.add(flowTaskVo);
         }
         Set<String> loginNameSet = flowTaskVoList.stream()

common/common-flow/src/main/java/apelet/common/flow/service/impl/FlowTaskInstanceExtServiceImpl.java

@@ -6,6 +6,7 @@ import apelet.common.core.base.service.BaseService;
 import apelet.common.core.constant.ApplicationConstant;
 import apelet.common.core.object.TokenData;
 import apelet.common.core.util.DefaultDataSourceResolver;
+import apelet.common.flow.constant.FlowConstant;
 import apelet.common.flow.dao.FlowTaskInstanceExtMapper;
 import apelet.common.flow.model.FlowTaskInstanceExt;
 import apelet.common.flow.service.FlowTaskInstanceExtService;
@@ -73,6 +74,10 @@ public class FlowTaskInstanceExtServiceImpl extends BaseService<FlowTaskInstance
         entity.setProcessDefinitionId(processDefinitionId);
         entity.setTaskKey(taskKey);
         entity.setTitle(this.truncateTitle(title));
+        // 标题里还残留 ${xxx} 说明有占位符没解析出来（最常见的原因是该实例的业务数据已经不存在了）。
+        // resolveTitle 对这种情况是静默的，不打标记就只能靠肉眼在标题里找 ${}，事后也筛不出来。
+        // 注意判断的是截断【前】的原始标题：截断可能把 ${number} 截成半个，那也要算没算全。
+        entity.setTitleIncomplete(StrUtil.contains(title, FlowConstant.TITLE_PLACEHOLDER_PREFIX) ? 1 : 0);
         Date now = new Date();
         entity.setCreateTime(now);
         entity.setUpdateTime(now);

common/common-flow/src/main/java/apelet/common/flow/service/impl/FlowTaskTitleBackfillServiceImpl.java

@@ -5,6 +5,7 @@ import apelet.common.core.constant.ApplicationConstant;
 import apelet.common.core.object.GlobalThreadLocal;
 import apelet.common.core.object.TokenData;
 import apelet.common.core.util.DefaultDataSourceResolver;
+import apelet.common.flow.constant.FlowConstant;
 import apelet.common.flow.model.FlowEntry;
 import apelet.common.flow.model.FlowTaskExt;
 import apelet.common.flow.model.FlowTaskInstanceExt;
@@ -76,6 +77,7 @@ public class FlowTaskTitleBackfillServiceImpl implements FlowTaskTitleBackfillSe
         result.setInstanceCount(0);
         result.setNodeCount(0);
         result.setSavedCount(0);
+        result.setIncompleteCount(0);
         result.setSkippedExistCount(0);
         result.setSkippedNoTitleCount(0);
         result.setFailedCount(0);
@@ -145,6 +147,11 @@ public class FlowTaskTitleBackfillServiceImpl implements FlowTaskTitleBackfillSe
                 flowTaskInstanceExtService.saveTaskTitle(
                         processInstanceId, workOrder.getProcessDefinitionId(), taskKey, title);
                 result.setSavedCount(result.getSavedCount() + 1);
+                if (StrUtil.contains(title, FlowConstant.TITLE_PLACEHOLDER_PREFIX)) {
+                    // 占位符没解析出来（通常是该实例的业务数据已不存在），落库时会打上 title_incomplete 标记，
+                    // 这里单独计数，好让返回结果直接看出"有多少条其实没算全"——只看 failedCount 是看不出来的。
+                    result.setIncompleteCount(result.getIncompleteCount() + 1);
+                }
             } catch (Exception e) {
                 // 单条失败不影响整批，记数后继续
                 result.setFailedCount(result.getFailedCount() + 1);

common/common-flow/src/main/java/apelet/common/flow/vo/FlowTaskTitleBackfillVo.java

@@ -38,6 +38,13 @@ public class FlowTaskTitleBackfillVo {
     private Integer skippedExistCount;
 
     /**
+     * 已写入、但标题里仍有未解析占位符的条数。
+     * <p>最常见的原因是该实例的业务数据已经不存在了。这些行的 title_incomplete 为 1。</p>
+     */
+    @Schema(description = "标题未完整解析的条数")
+    private Integer incompleteCount;
+
+    /**
      * 算不出标题(非在线表单 / 模板为空 / 业务数据取不到)而跳过的条数。
      */
     @Schema(description = "算不出标题跳过的条数")