// GET: Notice
public ActionResult Index(string searchTitle, int?pageSize, int page = 1)
{
ViewBag.searchTitle = searchTitle;
var _notices = from n in db.Notices
select n;
if (!string.IsNullOrEmpty(searchTitle))
{
_notices = _notices.Where(n => n.NoticeTitle.Contains(searchTitle.Trim()));
}
//定义一个用于显示公告列表的视图模型对象，主要是用于返回不用生成 公告内容的字段，这样会提高系统访问速度；
List <NoticeIndexViewModel> noticesIndexViewModels = new List <NoticeIndexViewModel>();
foreach (var item in _notices)
{
var indexViewModel = new NoticeIndexViewModel(); //直接初始化还要报错，干脆先建立一个对象及引用，再来赋值。
indexViewModel.NoticeID = item.NoticeID;
indexViewModel.NoticeTitle = item.NoticeTitle;
indexViewModel.AuthorName = item.AuthorName;
indexViewModel.PostTime = item.PostTime;
indexViewModel.NoticeIsShow = item.NoticeIsShow;
indexViewModel.ClickCount = item.ClickCount;
indexViewModel.PriorOrder = item.PriorOrder;
noticesIndexViewModels.Add(indexViewModel);
}
//分页
int currentPageSize;
if (pageSize == null)
{
if (Session["pageSize"] != null)
{
currentPageSize = int.Parse(Session["pageSize"].ToString());
}
else
{
currentPageSize = 10;
}
}
else
{
currentPageSize = (int)pageSize;
}
Session["pageSize"] = currentPageSize;
ViewBag.PageSize = currentPageSize;
ViewBag.Page = page;
return(View(noticesIndexViewModels.OrderBy(n => n.PriorOrder).OrderByDescending(n => n.PostTime).ToPagedList(page, currentPageSize)));
}
public ActionResult LoginNoticeList() //在登录页面上显示一个分部视图，只能查看标题，不能访问具体内容。
{
IQueryable <Notice> _notices = db.Notices.Where(x => x.NoticeIsShow == true).OrderBy(x => x.PriorOrder).OrderBy(x => x.PostTime).Take(6);
//定义一个用于显示公告列表的视图模型对象，主要是用于返回不用生成 公告内容的字段，这样会提高系统访问速度；
List <NoticeIndexViewModel> noticesIndexViewModels = new List <NoticeIndexViewModel>();
foreach (var item in _notices)
{
var indexViewModel = new NoticeIndexViewModel
{
NoticeID = item.NoticeID,
NoticeTitle = item.NoticeTitle,
PostTime = item.PostTime
};
noticesIndexViewModels.Add(indexViewModel);
}
return(PartialView("_LoginNoticeList", noticesIndexViewModels));
}
