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jquery中EasyUI同步樹的實現(xiàn)代碼

時間:2020-11-10 14:26:04 jQuery Mobile 我要投稿

jquery中EasyUI同步樹的實現(xiàn)代碼

  在JS中,將顯示樹的`url地址寫成control的地址即可.

  代碼如下:

  @RequestMapping(value = "/tree")

  public void tree(HttpServletRequest request, HttpServletResponse response) throws IOException {

  this.writeJson(response, bookService.getTree());

  }

  dao:

  復制代碼 代碼如下:

  /**

  * 獲取樹

  */

  @Override

  public ListgetTree(){

  try {

  Listtrees = new ArrayList();

  Listroot = this.search(0);

  if(root != null && root.size() > 0){

  for(TBookType tb : root){

  Tree rootnode = this.getNode(tb);

  rootnode.setState("open");

  trees.add(rootnode);

  }

  }

  return trees;

  } catch (Exception e) {

  e.printStackTrace();

  return null;

  }

  }

  /**

  * 遞歸

  */

  private Tree getNode(TBookType node){

  if(node == null){

  return null;

  }

  try {

  Tree treenode = new Tree();

  treenode.setId(String.valueOf(node.getId()));

  treenode.setText(node.getName());

  treenode.setPid(String.valueOf(node.getPid()));

  Listchildren = this.search(node.getId());

  if(children != null && children.size() > 0){

  treenode.setState("closed");

  for(TBookType child : children){

  Tree childnode = this.getNode(child);

  if(childnode != null){

  treenode.getChildren().add(childnode);//遞歸

  }

  }

  }

  return treenode;

  } catch (Exception e) {

  throw new BusinessException("獲取數(shù)據(jù)出錯!", e);

  }

  }