EF6 CodeFirst+Repository+Ninject+MVC4+EasyUI实践(九)

　　 public bool SetPermit(object RoleID, object MenuIDs)
        {
            try
            {
                string[] roleArr = RoleID as string[];
                long roleID = Convert.ToInt64(roleArr[0].ToString());

                S_Role role = context.S_Roles.Where(x => x.ID.Equals(roleID)).FirstOrDefault(); //获取角色
                role.S_Menus = new List<S_Menu>();

                //删除先前设置的roleID的数据
                List<S_Menu> listdate = context.S_Roles.Where(x => x.ID.Equals(roleID)).FirstOrDefault().S_Menus.ToList();
                foreach (var item in listdate)
                {
                    role.S_Menus.Remove(item);
                }

                //写入现有的数据
                string[] MenuArr = MenuIDs as string[];
                string[] MenuArrString = MenuArr[0].ToString().TrimEnd(‘,‘).Split(‘,‘).ToArray();
                List<long> arr = new List<long>();
                foreach (var item in MenuArrString)
                {
                    arr.Add(Convert.ToInt64(item));
                }

                //必须转化为list集合，否则会出现“已有打开的与此 Command 相关联的 DataReader，必须首先将它关闭”错误
                List<S_Menu> query = (from m in context.S_Menus where arr.Contains(m.ID) select m).ToList();

                foreach (S_Menu menu in query)
                {
                    role.S_Menus.Add(menu);
                    menu.S_Roles = new List<S_Role>();
                    menu.S_Roles.Add(role);
                }

                //EF默认启用了事务提交
                context.SaveChanges();
                return true;
            }
            catch
            {
                return false;
            }
        }

$(‘#dg‘).datagrid({
            onClickRow: function (index, data) {
                var row = $(‘#dg‘).datagrid(‘getSelected‘);
                if (row) {
                    var RoleID = row.ID;
                    $.ajax({
                        url: ‘/System/GetPermit‘,
                        type: ‘POST‘,
                        data: { RoleID: RoleID },
                        success: function (data) {
                            $(‘#dgMenu‘).treegrid(‘unselectAll‘); //重新加载

                            $(‘#dgMenu‘).treegrid({
                                onLoadSuccess: function (dataaa) {
                                    $.each(data, function (index, item) {
                                        $(‘#dgMenu‘).treegrid(‘selectRow‘, item);  //选中设置的权限
                                    });
                                }});
                        }
                    })}} });

　　public class mod_S_RoleMenuTree
    {
        public long id { get; set; }   // 节点的ID
        public string text { get; set; }  //节点显示的文字
        public string iconCls { get; set; }
        public string url { get; set; }
        public int treelevel { get; set; }
        //节点状态，有两个值  ‘open‘ or ‘closed‘, 默认为‘open‘. 当为‘closed’时说明此节点下有子节点否则此节点为叶子节点
        public string state { get; set; }
        public List<mod_S_RoleMenuTree> children { get; set; }// 子节点集合
    }

　　public ActionResult GetRoleMenus()
        {
            string strUser = System.Web.HttpContext.Current.User.Identity.Name;
            List<S_Menu> listData = IS_Role.GetRoleMenus(strUser);

            var listDataParent = listData.Where(x => x.PID.Equals(null)).OrderBy(x => x.SerialNO);

            List<mod_S_RoleMenuTree> DataModel = new List<mod_S_RoleMenuTree>();

            foreach (var item in listDataParent)
            {
                mod_S_RoleMenuTree model = new mod_S_RoleMenuTree();
                model.id = item.ID;
                model.text = item.MenuName;
                model.iconCls = item.Icon;
                model.state = "open";
                model.url = item.Link;
                model.treelevel = item.Level;
                model.children = new List<mod_S_RoleMenuTree>();

                var children = listData.Where(x => x.PID.Equals(item.ID)).OrderBy(x => x.SerialNO);
                foreach (var childitem in children)
                {
                    mod_S_RoleMenuTree childmodel = new mod_S_RoleMenuTree();
                    childmodel.id = childitem.ID;
                    childmodel.text = childitem.MenuName;
                    childmodel.iconCls = childitem.Icon;
                    childmodel.state = "open";
                    childmodel.url = childitem.Link;
                    model.treelevel = childitem.Level;
                    model.children.Add(childmodel);
                }

                DataModel.Add(model);
            }


            return Json(DataModel, JsonRequestBehavior.AllowGet);
        }

   <ul class="easyui-tree" id="txt"
                    data-options="url:‘/Main/GetRoleMenus‘,method:‘get‘,animate:true,lines:true"></ul>

　　[HttpPost]
　　public ActionResult Login(mod_Account model)
        {
            if (null != model){
                if (IS_User.Login(model.UserName, DESEncrypt.Encrypt(model.UserPwd))){
                    System.Web.Security.FormsAuthentication.SetAuthCookie(model.UserName, false);
                    return RedirectToAction("Index", "Main");
                }
                else{
                    return View();
                }
            }
            else{
                return View();
            }
        }

  <authentication mode="Forms">
      <forms loginUrl="/Account/Login" timeout="2880" protection="All" />
    </authentication>
    <authorization>
      <deny users="?"/>
    </authorization>

　　public ActionResult LoginOut()
        {
            System.Web.Security.FormsAuthentication.SignOut();
            return RedirectToAction("Login", "Account");
        }