不生成模版文件

app/services/qgis/map_service.py

@@ -48,16 +48,10 @@ class MapService:
             template_cache.reset_project_state(project, texts, extent)
         else:
             logger.info(f"[首次加载] {os.path.basename(template_path)}")
-            modifier = TemplateModifier(self.config)
+            # 直接读原始模板，不做文件级修改（避免 ZIP 兼容性问题）
-            actual_path = modifier.modify(template_path)
+            project.read(template_path)
-            template_cache.load_template(actual_path, layout_name=model.get("mapLayout", "A4"))
-            if actual_path != template_path:
-                try:
-                    os.remove(actual_path)
-                except OSError:
-                    pass
 
-        # 更新 PostgreSQL 图层连接（仅首次加载）
+        # 更新图层连接 + GPKG/SRID/表名修正（仅首次加载）
         if not is_cache_hit:
             self._update_db_connections(project)
 
@@ -94,59 +88,89 @@ class MapService:
         return model["name"]
 
     def _update_db_connections(self, project: QgsProject) -> None:
-        """更新所有 PostgreSQL 图层的数据库连接参数"""
+        """更新图层连接 + SRID修正 + GPKG静态层替换"""
         db_config = self.config["db"]
         override = self.config.get("template_override", {})
         actual_schema = override.get("actual", {}).get("schema", "qgis")
+        static_config = self.config.get("static_layers", {})
+        static_enabled = static_config.get("enabled", False)
+        gpkg_dir = static_config.get("gpkg_dir", "")
+        static_layers_map = static_config.get("layers", {})
+
         static_count = 0
 
         for layer in project.mapLayers().values():
-            if layer.providerType() == "ogr":
+            provider = layer.providerType()
+
+            # GPKG 静态层替换：postgres 表 → 本地 GPKG 文件
+            if provider == "postgres" and static_enabled:
+                uri_str = layer.dataProvider().uri().uri()
+                for name, info in static_layers_map.items():
+                    table_key = info["table"]
+                    schema, table = table_key.split(".", 1)
+                    if f'table="{schema}"."{table}"' in uri_str:
+                        gpkg_path = os.path.join(gpkg_dir, info["file"]).replace("\\", "/")
+                        layer.setDataSource(gpkg_path, name, "ogr")
+                        static_count += 1
+                        logger.debug(f"静态图层 {name} → GPKG")
+                        break
+                else:
+                    # 没匹配到静态层，继续处理为 postgres
+                    self._fix_postgres_layer(layer, db_config, actual_schema)
+                continue
+
+            if provider == "ogr":
                 static_count += 1
                 continue
 
-            if layer.providerType() != "postgres":
+            if provider == "postgres":
-                continue
+                self._fix_postgres_layer(layer, db_config, actual_schema)
-
-            try:
-                uri = layer.dataProvider().uri()
-                uri.setConnection(
-                    db_config["host"],
-                    str(db_config["port"]),
-                    db_config["database"],
-                    db_config["username"],
-                    db_config["password"],
-                )
-                # 更新 schema
-                old_uri = uri.uri()
-                if f'table="{actual_schema}".' not in old_uri:
-                    for old_schema in SCHEMA_REPLACEMENTS:
-                        new_uri = old_uri.replace(
-                            f'table="{old_schema}".',
-                            f'table="{actual_schema}".',
-                        )
-                        if new_uri != old_uri:
-                            uri = QgsDataSourceUri(new_uri)
-                            break
-
-                # 表名映射（模板表名 ≠ 目标库表名）
-                uri_str = uri.uri()
-                for old_name, new_name in TABLE_RENAMES.items():
-                    full_old = f'table="{actual_schema}"."{old_name}"'
-                    full_new = f'table="{actual_schema}"."{new_name}"'
-                    if full_old in uri_str:
-                        uri_str = uri_str.replace(full_old, full_new)
-                        uri = QgsDataSourceUri(uri_str)
-
-                layer.setDataSource(uri.uri(), layer.name(), "postgres")
-
-                if layer.isValid():
-                    fc = layer.featureCount()
-                    logger.info(f"图层 {layer.name()} 连接更新成功 ({fc} features)")
-                else:
-                    logger.error(f"图层 {layer.name()} 更新后仍无效")
-            except Exception as e:
-                logger.error(f"更新图层 {layer.name()} 连接失败: {e}")
 
         if static_count:
-            logger.info(f"静态底图已本地化: {static_count} 个 GPKG 图层跳过远程连接")
+            logger.info(f"静态底图已本地化: {static_count} 个图层")
+
+    @staticmethod
+    def _fix_postgres_layer(layer, db_config, actual_schema):
+        """修正单个 PostgreSQL 图层的连接参数"""
+        try:
+            uri = layer.dataProvider().uri()
+            uri.setConnection(
+                db_config["host"],
+                str(db_config["port"]),
+                db_config["database"],
+                db_config["username"],
+                db_config["password"],
+            )
+            # Schema 替换
+            uri_str = uri.uri()
+            for old_schema in SCHEMA_REPLACEMENTS:
+                if f'table="{old_schema}".' in uri_str:
+                    uri_str = uri_str.replace(
+                        f'table="{old_schema}".',
+                        f'table="{actual_schema}".',
+                    )
+                    uri = QgsDataSourceUri(uri_str)
+                    break
+            # 表名映射
+            uri_str = uri.uri()
+            for old_name, new_name in TABLE_RENAMES.items():
+                full_old = f'table="{actual_schema}"."{old_name}"'
+                full_new = f'table="{actual_schema}"."{new_name}"'
+                if full_old in uri_str:
+                    uri_str = uri_str.replace(full_old, full_new)
+                    uri = QgsDataSourceUri(uri_str)
+            # SRID 修正
+            uri_str = uri.uri()
+            if " srid=0 " in uri_str:
+                uri_str = uri_str.replace(" srid=0 ", " srid=4326 ")
+                uri = QgsDataSourceUri(uri_str)
+
+            layer.setDataSource(uri.uri(), layer.name(), "postgres")
+
+            if layer.isValid():
+                fc = layer.featureCount()
+                logger.info(f"图层 {layer.name()} 连接更新成功 ({fc} features)")
+            else:
+                logger.error(f"图层 {layer.name()} 更新后仍无效")
+        except Exception as e:
+            logger.error(f"更新图层 {layer.name()} 连接失败: {e}")