yuanchengpasc/application/manage/controller/Frontmenu.php

<?php

namespace app\manage\controller;

use think\Controller;
use think\Db;
use think\Session;
use think\Config;
use think\Cookie;
use think\Request;
use app\common\library\SysLogs;
use app\common\library\UUIDs;

/**
 * 前端菜单管理
 */
class Frontmenu extends Base {

    public function _initialize() {
        $admin = Session::get('admin');
        if ($admin) {
            //已经登陆过
            return json_encode(array('status' => 'fail', 'code' => '1001'));
        }
    }

    //登录功能
    public function index() {
        return $this->fetch('index');
    }

    /**
     * 查询全部菜单
     */
    public function menudata() {
        $rootMenuData = array();

        // 准备根节点
        $rootMenuData["id"] = "root";
        $rootMenuData["pId"] = "0";
        $rootMenuData["name"] = "菜单(根节点)";
        $rootMenuData["url"] = "";
        $rootMenuData["open"] = "true";
        $rootMenuData["icon_name"] = "";
        // 查询全部数据
        $menuData = $info = DB::table('menu')->select();
        $jsonarray = array();
        if ($menuData != null) {
            foreach ($menuData as $k => $val) {
                $parent_id = $val["parent_id"];
                unset($val["parent_id"]);
                // 处理parent_id为pId，为前端菜单上下级关系展示处理
                $val['pId'] = $parent_id;
                $val['open'] = "true";
                array_push($jsonarray, $val);
            }
        }
        // 将根节点添加到树
        array_unshift($jsonarray, $rootMenuData);
        // 返回JSON数据
        echo json_encode($jsonarray);
    }

    // 添加或修改
    public function update() {
        $request= Request::instance();
        $params=$request->param();
        
        $id = $params["id"];

        $data = array();
        $data["parent_id"] = $params["pid"];
        $data["name"] = $params["name"];
        $data["url"] = $params["url"];
        $data["ordernum"] = $params["ordernum"];
        $data["icon_name"] = $params["icon_name"];
        // ID有值，认为是更新
        if (empty($id)) {
            // 无值，认为是添加
            $data["id"] = UUIDs::uuid16();
            Db::table("menu")->insert($data);
            SysLogs::log("menu", "C", json_encode($data));
            echo "insert_ok";
        } else {
            // 更新
            Db::table("menu")->where("id", $id)->update($data);
            SysLogs::log("menu", "U", "id = " . $id . " --> " . json_encode($data));
            echo "update_ok";
        }
    }

    /**
     * 删除
     */
    public function delete() {
        $request= Request::instance();
        $params=$request->param();
        $id = $params["id"];
        $result = Db::table("menu")->delete($id);
        SysLogs::log("menu", "D", "id = " . $id . " result = " . $result);
        if ($result) {
            echo "delete_ok";
        } else {
            echo "delete_fail";
        }
    }

}