protected void Page_Load(object sender, EventArgs e)
{
if (Request.QueryString["news_id"] != null)
{
Guid news_id = new Guid(Request.QueryString["news_id"].ToString());
News toFindNews = new News();
toFindNews.Article_id = news_id;
News entireNews = NewsOpr.GetNewsByID(toFindNews);
if (entireNews != null)
{
entireNews.News_click_count += 1;
NewsOpr.UpdateNewsInfo(entireNews);
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
Admin loggedAdmin = AdminOpr.isLogged(Request);
if (loggedAdmin == null)
{
//未登录
//未登录
lblLoginStatus.Text = "您未登录或已经登录过期，请重新登录，3秒后转回管理员登录页。";
lblLoginStatus.Visible = true;
AdminLoggedForm.Visible = false;
//重定向
HtmlMeta RedirectMeta = new HtmlMeta(); //重定向用Meta标签
RedirectMeta.HttpEquiv = "refresh"; //指定行为为跳转
RedirectMeta.Content = "3;url=admin_login.aspx"; //时间为三秒，跳转到首页
this.Page.Header.Controls.Add(RedirectMeta);
}
else
{
//已登录
if (Request.QueryString["news_id"] != null)
{
//新闻id不为空
News deleteNews = new News();
deleteNews.Article_id = new Guid(Request.QueryString["news_id"]);
if (NewsOpr.DeleteNewsByID(deleteNews))
{
lblDeleteStatus.Text = "删除成功，3秒后转向新闻管理首页";
HtmlMeta RedirectMeta = new HtmlMeta(); //重定向用Meta标签
RedirectMeta.HttpEquiv = "refresh"; //指定行为为跳转
RedirectMeta.Content = "3;url=news_manage_index.aspx"; //时间为三秒，跳转到首页
this.Page.Header.Controls.Add(RedirectMeta);
}
else
{
lblDeleteStatus.Text = "删除失败";
}
}
else
{
//新闻id为空
lblDeleteStatus.Text = "新闻不存在";
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
Admin loggedAdmin = AdminOpr.isLogged(Request);
if (loggedAdmin == null)
{
//未登录
lblLoginStatus.Text = "您未登录或已经登录过期，请重新登录";
lblLoginStatus.Visible = true;
loginForm.Visible = false;
}
else
{
//已经登录
if (!Page.IsPostBack)
{
//未提交
//这里分两个功能：①、修改。②、添加
// QueryString什么都没有，就是增加，反之，参数为news_id的时候，就是修改
if (Request.QueryString["news_id"] != null)
{
//修改文章
News destNews = new News();
destNews.Article_id = new Guid(Request.QueryString["news_id"]);
News entireNews = NewsOpr.GetNewsByID(destNews);
if (entireNews != null)
{
//找到了
txtNewsContent.Text = entireNews.Article_content;
txtNewsTitle.Text = entireNews.Article_title;
imgHeadImage.ImageUrl = entireNews.News_image;
Boolean isOnIndex = entireNews.News_isOnIndex;
chkboxIsOnIndex.Checked = isOnIndex;
}
else
{
//没找到，给出提示信息
lblLoginStatus.Text = "文章不存在";
lblLoginStatus.Visible = true;
loginForm.Visible = false;
}
}
}
else
{
///提交回来了
if (Request.QueryString["news_id"] == null)
{
//增加用
String newsTitle = Request.Form[txtNewsTitle.ID];
String newsContent = Request.Form[txtNewsContent.ID];
String newsHeadImage = null;
if (Request.Cookies["newsHeadImage"] != null)
{
//如果填了题头图片，分配图片地址
newsHeadImage = Request.Cookies["newsHeadImage"].Value.Replace("%2F", "/");
//释放Cookies
HttpCookie newsHeadImageCookie = new HttpCookie("newsHeadImage");
//这句不加清除不掉
newsHeadImageCookie.Path = "/admin";
newsHeadImageCookie.Expires = DateTime.Now.AddDays(-1d);
Response.Cookies.Add(newsHeadImageCookie);
}
else
{
newsHeadImage = "/news_image/default.jpg";
}
DateTime news_publish_date = DateTime.Now;
Boolean news_isDeleted = false;
Boolean news_isOnIndex = chkboxIsOnIndex.Checked;
int news_click_count = 0;
Guid news_author = loggedAdmin.User_id;
Guid news_id = System.Guid.NewGuid();
News newNews = new News();
newNews.Article_id = news_id;
newNews.Article_content = newsContent;
newNews.Article_title = newsTitle;
newNews.Article_author = news_author;
newNews.Article_publish_date = news_publish_date;
newNews.Article_isDeleted = news_isDeleted;
newNews.News_isOnIndex = news_isOnIndex;
//去空格否则bug
newNews.News_image = newsHeadImage.Trim();
newNews.News_click_count = news_click_count;
if (NewsOpr.CreateNews(newNews, loggedAdmin))
{
//创建成功
loginForm.Visible = true;
lblLoginStatus.Text = "添加新闻成功";
lblLoginStatus.Visible = true;
}
else
{
lblLoginStatus.Text = "添加新闻失败，请检查各项是否已经填写";
lblLoginStatus.Visible = true;
loginForm.Visible = true;
}
}
else
{
//修改用
Guid news_id = new Guid(Request.QueryString["news_id"].ToString());
News destNews = new News();
destNews.Article_id = news_id;
News updateNews = NewsOpr.GetNewsByID(destNews);
if (updateNews != null)
{
String news_title = Request.Form[txtNewsTitle.ID];
String news_content = Request.Form[txtNewsContent.ID];
String news_head = imgHeadImage.ImageUrl;
//修改了题头图片！
if (Request.Cookies["newsHeadImage"] != null)
{
//如果填了题头图片，分配图片地址
news_head = Request.Cookies["newsHeadImage"].Value.Replace("%2F", "/");
//释放Cookies
HttpCookie newsHeadImageCookie = new HttpCookie("newsHeadImage");
newsHeadImageCookie.Expires = DateTime.Now.AddDays(-1d);
//这句不加清不掉
newsHeadImageCookie.Path = "/admin";
Response.Cookies.Add(newsHeadImageCookie);
}
Boolean isOnIndex = chkboxIsOnIndex.Checked;
//开始更新
updateNews.Article_title = news_title;
updateNews.Article_content = news_content;
updateNews.News_image = news_head;
updateNews.News_isOnIndex = isOnIndex;
if (NewsOpr.UpdateNewsInfo(updateNews))
{
lblLoginStatus.Text = "修改成功，若更改题头图片，请重新进入本页方能查看修改效果";
lblLoginStatus.Visible = true;
}
else
{
lblLoginStatus.Text = "修改失败";
lblLoginStatus.Visible = true;
}
}
else
{
lblLoginStatus.Text = "您要修改的新闻不存在";
lblLoginStatus.Visible = true;
loginForm.Visible = false;
}
}
}
}
}
