利用loadFilter对后台返回的原始数据进行过滤处理,将数据中的state字段修改相应的值,若无子节点,则改成open,若有子节点,则改成closed. 由于一个node属性只有下面几项内容,因此利用checked字段,于是有了下面的sql查询语句, id: An identity value bind to the node. text: Text to be showed. iconCls: The css class to display icon. checked: Whether
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree is symmetric: 1 / \ 2 2 / \ / \ 3 4 4 3 But the following is not: 1 / \ 2 2 \ \ 3 3 Note:Bonus points if you could solve it b
1110 Complete Binary Tree(25 分) Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (≤20) which is the total num
//1.删除TreeView节点以及其子节点procedure TForm2.Button1Click(Sender: TObject);var TreeNode:TTreeNode;begin if TreeView1.Selected <> Nil then Begin TreeNode := TreeView1.Selected.getFirstChild; while TreeNode <> nil do begin TreeNode.Del