///
comment.cs
///
using System;
using System.Collections.Generic;
using System.Web;
/// <summary>
/// Summary description for ClassName
/// </summary>
public class Comment
{
public Comment()
{
//
// TODO: Add constructor logic here
//
}
public Guid Id { get; set; }
public string Username { get; set; }
public string Content { get; set; }
public DateTime CreatedTime { get; set; }
public Guid? ParentId { get; set; }
}
///
index.cshtml
///
@{
if (IsPost)
{
var content = Request.Form["content"];
var username = Request.Form["username"];
var comment = new Comment
{
Content = content,
Username = username,
CreatedTime = DateTime.Now,
Id = Guid.NewGuid()
};
if (Request.Form["parentid"] != "")
{
comment.ParentId = new Guid(Request.Form["parentid"]);
}
var list = Context.Application["list"] as List<Comment>;
if (list == null)
{
list = new List<Comment>();
Context.Application["list"] = list;
}
list.Add(comment);
Response.Redirect("~/index.cshtml");
}
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title></title>
</head>
<body>
<ul>
@{
var allList = Context.Application["list"] as List<Comment> ?? new List<Comment>();
}
@foreach (var item in allList.Where(c => !c.ParentId.HasValue))
{
<li>内容：@item.Content<br />
发布人：@item.Username@@1
@item.CreatedTime.ToString("MM-dd HH:mm:ss")<br />
<a href="?id=@item.Id">回复</a>
<ul>
@foreach (var subitem in allList.Where(c => c.ParentId == item.Id))
{
<li>@subitem.Content|@item.Username@@|@item.CreatedTime.ToString("MM-dd HH:mm:ss")
</li>
}
</ul>
</li>
}
</ul>
<form action="" method="post">
<input type="hidden" name="parentid" value="@Request.QueryString["id"]" />
<label>
内容</label>
<textarea name="content"></textarea><br />
<label>
用户名</label>
<input type="text" name="username" />
<input type="submit" name="提交" />
</form>
</body>
</html>