feat: TASK #5388

web/building_saas/pm/js/pm_newMain.js

@@ -550,13 +550,49 @@ const projTreeObj = {
         return true;
       },
       callback: function (key, opt) {
-        //获取当前节点的建设项目ID
-        let selectedItem = projTreeObj.tree.selected;
-        let projectNode = selectedItem; //取建设项目节点
-        if (selectedItem.data.projType === projectType.tender) {
-          projectNode = selectedItem.parent;
+        // 有新需求，无缝批量导出
+        const nodeSelections = projTreeObj.workBook.getSheet(0).getSelections();
+        if (nodeSelections.length > 1) {
+          // 多选情况
+          // a. 收集所有顶节点(即建设项目)的row序号
+          const rootRows = [0];
+          const prjSelections = [];
+          let cnt = 0;
+          for (let nIdx = 0; nIdx < projTreeObj.tree._root.children.length; nIdx++) {
+            const rNode = projTreeObj.tree._root.children[nIdx];
+            cnt += rNode.children.length + 1; // 要加上顶节点
+            rootRows.push(cnt);
+          }
+          // b. 判断所选节点所属建设项目并记录
+          for (let nsIdx = 0; nsIdx < nodeSelections.length; nsIdx++) {
+            const selection = nodeSelections[nsIdx];
+            for (let idx = 0; idx < rootRows.length - 1; idx++) {
+              if (selection.row === rootRows[idx]) {
+                if (!prjSelections.includes(projTreeObj.tree._root.children[idx])) {
+                  prjSelections.push(projTreeObj.tree._root.children[idx]);
+                  break;
+                }
+              } else if (selection.row > rootRows[idx] && selection.row < rootRows[idx + 1]) {
+                if (!prjSelections.includes(projTreeObj.tree._root.children[idx])) {
+                  prjSelections.push(projTreeObj.tree._root.children[idx]);
+                  break;
+                }
+              }
+            }
+          }
+          // 并发导出
+          for (const pSelection of prjSelections) {
+            projTreeObj.exportProject(pSelection.data.ID, pSelection.data.name);
+          }
+        } else {
+          // 非多选，旧流程
+          let selectedItem = projTreeObj.tree.selected;
+          let projectNode = selectedItem; //取建设项目节点
+          if (selectedItem.data.projType === projectType.tender) {
+            projectNode = selectedItem.parent;
+          }
+          projTreeObj.exportProject(projectNode.data.ID, projectNode.data.name);
         }
-        projTreeObj.exportProject(projectNode.data.ID, projectNode.data.name);
       },
     },
     importProject: {