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;
 };