Einführung in rekursive JavaScript-Algorithmen

var menuArry = [
{ id: 1, name: "办公管理", pid: 0 },
{ id: 2, name: "请假申请", pid: 1 },
{ id: 3, name: "出差申请", pid: 1 },
{ id: 4, name: "请假记录", pid: 2 },
{ id: 5, name: "系统设置", pid: 0 },
{ id: 6, name: "权限管理", pid: 5 },
{ id: 7, name: "用户角色", pid: 6 },
{ id: 8, name: "菜单设置", pid: 6 },
];　

//菜单列表html
    var menus = '';
 
    //根据菜单主键id生成菜单列表html
    //id：菜单主键id
    //arry：菜单数组信息
    function GetData(id, arry) {
      var childArry = GetParentArry(id, arry);
      if (childArry.length > 0) {
        menus += &#39;<ul>&#39;;
        for (var i in childArry) {
          menus += &#39;<li>&#39; + childArry[i].name;
          GetData(childArry[i].id, arry);
          menus += &#39;</li>&#39;;
        }
        menus += &#39;</ul>&#39;;
      }
    }
 
    //根据菜单主键id获取下级菜单
    //id：菜单主键id
    //arry：菜单数组信息
    function GetParentArry(id, arry) {
      var newArry = new Array();
      for (var i in arry) {
        if (arry[i].pid == id)
          newArry.push(arry[i]);
      }
      return newArry;
    }

GetData(0, menuArry)
$("body").append(menus);