src/data/dto/NavDto.cpp

@@ -8,6 +8,7 @@
 #include <functional>
 #include <limits>
 #include <set>
+#include <unordered_map>
 
 namespace geopro::data::dto {
 
@@ -235,4 +236,30 @@ std::vector<ExceptionRow> parseExceptions(const QJsonArray& arr) {
     return out;
 }
 
+GroupedExceptions groupExceptionsByConsortium(const std::vector<ExceptionRow>& rows) {
+    GroupedExceptions out;
+    std::unordered_map<std::string, size_t> indexById;  // consortiumId → out.consortia 下标
+    for (const auto& r : rows) {
+        if (r.consortiumId.empty()) {
+            out.loose.push_back(r);
+            continue;
+        }
+        auto it = indexById.find(r.consortiumId);
+        if (it == indexById.end()) {
+            ConsortiumGroup g;
+            g.id = r.consortiumId;
+            g.name = r.consortiumName;
+            g.typeName = r.consortiumType;
+            indexById.emplace(r.consortiumId, out.consortia.size());
+            out.consortia.push_back(std::move(g));
+            it = indexById.find(r.consortiumId);
+        }
+        ConsortiumGroup& g = out.consortia[it->second];
+        if (g.name.empty() && !r.consortiumName.empty()) g.name = r.consortiumName;
+        if (g.typeName.empty() && !r.consortiumType.empty()) g.typeName = r.consortiumType;
+        g.exceptions.push_back(r);
+    }
+    return out;
+}
+
 }  // namespace geopro::data::dto

src/data/dto/NavDto.hpp

@@ -48,4 +48,8 @@ DynamicForm parseDynamicForm(const QJsonObject& data);
 //   detailSummary 由 exceptionMarkTypeName/createTime/elevationList/remark 拼成可读多行串。
 std::vector<ExceptionRow> parseExceptions(const QJsonArray& arr);
 
+// 把一个对象(TM)的异常行按 consortiumId 分组：同 id 归一组（组名/类型取首个非空）；
+//   consortiumId 空 → loose。保持首次出现顺序稳定。纯函数、可单测。
+GroupedExceptions groupExceptionsByConsortium(const std::vector<ExceptionRow>& rows);
+
 }  // namespace geopro::data::dto

src/data/repo/RepoTypes.hpp

@@ -44,4 +44,13 @@ struct ExceptionRow {
     std::string consortiumId, consortiumName, consortiumType;
     std::string detailSummary;
 };
+
+// 异常体分组（树中间层）+ 对象分组（树根层，对应一个被勾选 TM）。
+struct ConsortiumGroup { std::string id, name, typeName; std::vector<ExceptionRow> exceptions; };
+struct ObjectExceptionGroup {
+    std::string objectId, objectName;
+    std::vector<ConsortiumGroup> consortia;
+    std::vector<ExceptionRow> looseExceptions;
+};
+struct GroupedExceptions { std::vector<ConsortiumGroup> consortia; std::vector<ExceptionRow> loose; };
 }  // namespace geopro::data

tests/data/test_nav_dto.cpp

@@ -4,6 +4,8 @@
 #include <QJsonDocument>
 #include <QJsonObject>
 
+#include <vector>
+
 #include "dto/NavDto.hpp"
 
 using namespace geopro::data;
@@ -262,3 +264,29 @@ TEST(NavDto, ParseExceptionsMapsFieldsAndSummary) {
     EXPECT_TRUE(rows[1].consortiumId.empty());
     EXPECT_NE(rows[1].detailSummary.find("手动"), std::string::npos);
 }
+
+TEST(NavDto, GroupExceptionsByConsortiumSplitsLooseAndGroups) {
+    std::vector<ExceptionRow> rows = {
+        { "e1","空洞A","空洞","t1","c1","体A","溶洞群","" },
+        { "e2","空洞B","空洞","t1","c1","","","" },
+        { "e3","裂隙X","裂隙","t1","","","","" },
+        { "e4","空洞C","空洞","t1","c2","体B","溶洞群","" },
+    };
+    const auto g = dto::groupExceptionsByConsortium(rows);
+    ASSERT_EQ(g.consortia.size(), 2u);
+    EXPECT_EQ(g.consortia[0].id, "c1");
+    EXPECT_EQ(g.consortia[0].name, "体A");
+    EXPECT_EQ(g.consortia[0].typeName, "溶洞群");
+    ASSERT_EQ(g.consortia[0].exceptions.size(), 2u);
+    EXPECT_EQ(g.consortia[1].id, "c2");
+    ASSERT_EQ(g.loose.size(), 1u);
+    EXPECT_EQ(g.loose[0].id, "e3");
+}
+
+TEST(NavDto, GroupExceptionsAllLooseWhenNoConsortium) {
+    std::vector<ExceptionRow> rows = {
+        { "e1","a","t","t1","","","","" }, { "e2","b","t","t1","","","","" } };
+    const auto g = dto::groupExceptionsByConsortium(rows);
+    EXPECT_TRUE(g.consortia.empty());
+    EXPECT_EQ(g.loose.size(), 2u);
+}