public ActionResult Create(PostInfo newPost)
{
if (!Request.IsAuthenticated && (newPost.Poster == null || newPost.Poster.Trim() == string.Empty))
{
ModelState.AddModelError("", "请填写昵称或登录帐号，然后再发表留言！");
return View(newPost);
}
if (newPost.Content == null || newPost.Content.Trim() == string.Empty)
{
ModelState.AddModelError("", "请填写留言内容！");
return View(newPost);
}
if (ModelState.IsValid)
{
newPost.Content = HttpUtility.HtmlEncode(newPost.Content).Replace("\r\n", "<br />").Replace("\r", "<br />").Replace("\n", "<br />");
newPost.Poster = Request.IsAuthenticated ? User.Identity.Name : newPost.Poster;
ShortUserInfo posterInfo = Users.GetUserInfoByUsername(newPost.Poster);
newPost.PosterId = posterInfo != null ? posterInfo.Uid : 0;
newPost.Ip = Request.UserHostAddress;
newPost.PostDate = DateTime.Now;
newPost.Email = "";
newPost.Website = "";
Posts.CreatePost(newPost);
return RedirectToAction("Index");
}
else
{
ModelState.AddModelError("", "验证失败，请填写必填项！");
return View(newPost);
}
}
public static void CreatePost(PostInfo newPost)
{
DbParameter[] prams =
{
DbHelper.MakeInParam("?poster", (DbType)MySqlDbType.String, 50,newPost.Poster),
DbHelper.MakeInParam("?posterid", (DbType)MySqlDbType.Int32, 4,newPost.PosterId),
DbHelper.MakeInParam("?content", (DbType)MySqlDbType.String, 5000,newPost.Content),
DbHelper.MakeInParam("?postdate", (DbType)MySqlDbType.DateTime, 8,newPost.PostDate),
DbHelper.MakeInParam("?ip", (DbType)MySqlDbType.String, 50,newPost.Ip),
DbHelper.MakeInParam("?email", (DbType)MySqlDbType.String, 100,newPost.Email),
DbHelper.MakeInParam("?website", (DbType)MySqlDbType.String, 100,newPost.Website)
};
DbHelper.ExecuteNonQuery(CommandType.Text, "INSERT INTO posts (poster,posterid,content,postdate,ip,email,website) VALUES(?poster,?posterid,?content,?postdate,?ip,?email,?website)", prams);
}
public static List<PostInfo> GetPostList()
{
IDataReader dr = DbHelper.ExecuteReader(CommandType.Text, "SELECT * FROM posts ORDER BY pid DESC");
List<PostInfo> list = new List<PostInfo>();
while (dr.Read())
{
PostInfo p = new PostInfo();
p.Pid = Convert.ToInt32(dr["pid"]);
p.Poster = dr["poster"].ToString();
p.PosterId = Convert.ToInt32(dr["posterid"]);
p.Content = dr["content"].ToString();
p.PostDate = Convert.ToDateTime(dr["postdate"]);
p.Ip = dr["ip"].ToString();
p.Email = dr["email"].ToString();
p.Website = dr["website"].ToString();
list.Add(p);
}
dr.Close();
return list;
}
