行为记录优化

src/main/java/com/qqflow/engine/domain/flow/service/impl/ProcessInstanceServiceImpl.java

@@ -622,7 +622,10 @@ public class ProcessInstanceServiceImpl implements ProcessInstanceService {
             }
         }
         if (!hasPermission) throw new BusinessException("只有当前节点处理人可补充材料");
-        String changeDesc = this.diffFormData(instance.getFormData(), formData);
+        // 从流程定义的表单配置中获取 字段名->显示名 映射，记录变更时使用显示名
+        ProcessDefinition def = this.processDefinitionMapper.selectById(instance.getProcessDefinitionId());
+        Map<String, String> fieldLabelMap = this.buildFieldLabelMap(def);
+        String changeDesc = this.diffFormData(instance.getFormData(), formData, fieldLabelMap);
         this.processInstanceMapper.update(null, Wrappers.<ProcessInstance>lambdaUpdate()
                 .eq(ProcessInstance::getId, instanceId)
                 .set(ProcessInstance::getFormData, formData));
@@ -644,8 +647,30 @@ public class ProcessInstanceServiceImpl implements ProcessInstanceService {
         }
     }
 
-    /** 对比新旧表单数据，返回变更说明；无变化返回 null */
-    private String diffFormData(String oldJson, String newJson) {
+    /** 从流程定义的表单配置(form_schema)构建 字段名 -> 显示名 映射 */
+    private Map<String, String> buildFieldLabelMap(ProcessDefinition def) {
+        Map<String, String> map = new HashMap<>();
+        if (def == null || def.getFormSchema() == null || def.getFormSchema().isBlank()) {
+            return map;
+        }
+        try {
+            List<Map<String, Object>> fields = this.objectMapper.readValue(
+                    def.getFormSchema(), new TypeReference<List<Map<String, Object>>>() {});
+            for (Map<String, Object> f : fields) {
+                Object name = f.get("name");
+                Object label = f.get("label");
+                if (name != null && label != null) {
+                    map.put(String.valueOf(name), String.valueOf(label));
+                }
+            }
+        } catch (Exception ignored) {
+            // 表单配置解析失败时降级为使用字段名
+        }
+        return map;
+    }
+
+    /** 对比新旧表单数据，返回变更说明（使用字段显示名）；无变化返回 null */
+    private String diffFormData(String oldJson, String newJson, Map<String, String> labelMap) {
         if (newJson == null || newJson.isBlank()) {
             return null;
         }
@@ -654,17 +679,19 @@ public class ProcessInstanceServiceImpl implements ProcessInstanceService {
         if (oldMap == null || oldMap.isEmpty()) {
             return "补充表单数据";
         }
+        java.util.function.Function<String, String> labelOf =
+                key -> labelMap != null && labelMap.containsKey(key) ? labelMap.get(key) : key;
         List<String> changed = new ArrayList<>();
         for (Map.Entry<String, Object> e : newMap.entrySet()) {
             Object oldVal = oldMap.get(e.getKey());
             Object newVal = e.getValue();
             if (!Objects.equals(oldVal, newVal)) {
-                changed.add(e.getKey());
+                changed.add(labelOf.apply(e.getKey()));
             }
         }
         for (String k : oldMap.keySet()) {
             if (!newMap.containsKey(k)) {
-                changed.add(k + "(删除)");
+                changed.add(labelOf.apply(k) + "(删除)");
             }
         }
         if (changed.isEmpty()) {