1、Models
namespace 发布新闻.Models
{
public class NewsBF
{
private MyDBDataContext _context = new MyDBDataContext();
public void Insert(string biaoti, string zuozhe, string laiyuan, string zhengwen) //增加
{
news data = new news();
data.title = biaoti;
data.Author = zuozhe;
data.source = laiyuan;
data.content = zhengwen;
data.time = DateTime.Now;
_context.news.InsertOnSubmit(data);
_context.SubmitChanges();
}
public List<news> Select()//显示
{
return _context.news.ToList();
}
public news Select(int id)//显示单个
{
var query = _context.news.Where(P => P.newsid == id);
if (query.Count() > 0)
{
return query.First();
}
else
{
return null;
}
}
public void Update(int code, string biaoti, string zuozhe, string laiyuan, string zhengwen)//修改
{
var query = _context.news.Where(p => p.newsid == code);
if (query.Count() > 0)
{
news x = query.First();
x.title = biaoti;
x.Author = zuozhe;
x.source = laiyuan;
x.content = zhengwen;
}
_context.SubmitChanges();
}
public void Delete(int code) //删除
{
var query = _context.news.Where(P => P.newsid== code);
if (query.Count() > 0)
{
news a = query.First();
_context.news.DeleteOnSubmit(a);
}
_context.SubmitChanges();
}
}
}
2、Controllsers
namespace 发布新闻.Controllers
{
public class HomeController : Controller
{
//
// GET: /Home/
public ActionResult Index()
{
return View();
}
public ActionResult Insert(string biaoti,string zuozhe,string laiyuan,string zhengwen)
{
new NewsBF().Insert(biaoti,zuozhe,laiyuan,zhengwen);
return RedirectToAction("Index");
}
public ActionResult Selcet()
{
List<news> list = new NewsBF().Select();
return View(list);
}
public ActionResult Edit(int id)
{
news data = new NewsBF().Select(id);
return View(data);
}
public ActionResult Update(int newsid,string title,string Author,string source,string content)
{
new NewsBF().Update(newsid,title,Author,source,content);
return RedirectToAction("Selcet");
}
public ActionResult Delete(int id)
{
new NewsBF().Delete(id);
return RedirectToAction("Selcet");
}
}
}
3、Views
Index:
@{
Layout = null;
}
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>Index</title>
<style>
.aa
{
position: relative;
margin:auto;
width:300px;
height: 400px;
z-index: 2;
}
</style>
</head>
<body>
<div class="aa">
<h1 style="text-align:center">发布新闻</h1>
<form name="f1" id="f1" action="/Home/Insert" method="post">
标题:@Html.TextBox("biaoti", "", new { size=35})<br>
作者:@Html.TextBox("zuozhe", "")<br>
来源:@Html.TextBox("laiyuan", "")<br>
内容:@Html.TextArea("zhengwen", "", 6, 55, new { })
<input id="Submit1" type="submit" value="提交" /> <a href="/Home/Selcet"><input id="Button1" type="button" value="查看" /></a>
</form>
</div>
</body>
</html>
Edit:
@using 发布新闻.Models;
@model news
@{
Layout = null;
}
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>Edit</title>
<style>
.aa
{
position: relative;
margin:auto;
width:300px;
height: 400px;
z-index: 2;
}
</style>
</head>
<body>
<div>
<div class="aa">
<h1 style="text-align:center">修改新闻</h1>
<form name="f1" id="f1" action="/Home/Update" method="post">
标题:@Html.TextBoxFor(P=>P.title)<br>
作者:@Html.TextBoxFor(P=>P.Author)<br>
来源:@Html.TextBoxFor(P=>P.source)<br>
内容:@Html.TextBoxFor(P => P.content, new { size=55})<br>
<input type="hidden" id="newsid" name="newsid" value="@Model.newsid">
<input id="Submit1" type="submit" value="更新" />
</form>
</div>
</div>
</body>
</html>
Select:
@using 发布新闻.Models;
@model List<news>
@{
Layout = null;
}
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>Selcet</title>
<style>
.trhead
{
background-color:#b200ff
}
.trrow
{
background-color:#FFFFcc
}
</style>
</head>
<body>
<div>
<table width="100%" cellpadding="4" cellspacing="1" border="1">
<tr class="trhead">
<td>id</td>
<td>title</td>
<td>author</td>
<td>source</td>
<td>date</td>
<td>update</td>
<td>delete</td>
</tr>
@{
foreach (news data in Model)
{
<tr class="trrow">
<td>@data.newsid</td>
<td>@data.title</td>
<td>@data.Author</td>
<td>@data.source</td>
<td>@data.time</td>
<td><a href="/Home/Edit/@data.newsid"><img src="~/xiugai.png"></a> </td>
<td><a href="/Home/Delete/@data.newsid"><img src="~/shanchu.png"></a> </td>
</tr>
}
}
</table>
</div>
</body>
</html>
效果图：
时间： 2024-11-02 17:53:16