vue elementUI tree树形控件获取父节点ID的实例

 TreeStore.prototype.getCheckedNodes = function getCheckedNodes() { var leafOnly = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;  var checkedNodes = []; var traverse = function traverse(node) {  var childNodes = node.root ? node.root.childNodes : node.childNodes;   childNodes.forEach(function (child) {  if (child.checked && (!leafOnly || leafOnly && child.isLeaf)) {   checkedNodes.push(child.data);  }   traverse(child);  }); }; traverse(this); return checkedNodes; };

 TreeStore.prototype.getCheckedNodes = function getCheckedNodes() { var leafOnly = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;  var checkedNodes = []; var traverse = function traverse(node) {  var childNodes = node.root ? node.root.childNodes : node.childNodes;   childNodes.forEach(function (child) {  if ((child.checked || child.indeterminate) && (!leafOnly || leafOnly && child.isLeaf)) {   checkedNodes.push(child.data);  }  traverse(child);  }); };  traverse(this);  return checkedNodes; };