Function collectNeedExpandNodeIndex

src/modules/treeTable.js:2521–2529

(index)

    }

    var collectNeedExpandNodeIndex = function (index) {
      needExpandIndex.push(index);
      var trElem = tableView.find('tr[lay-data-index="' + index + '"]');
      if (!trElem.length) {
        var nodeData = that.getNodeDataByIndex(index);
        var parentIndex = nodeData[LAY_PARENT_INDEX];
        parentIndex && collectNeedExpandNodeIndex(parentIndex);
      }
    };

    // 判断是否展开过
    var trElem = tableView.find('tr[lay-data-index="' + dataIndex + '"]');