MVC Razor 登录
@using MvcApplication1.Models; @{ Layout = null; } <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>Index</title> </head> <body> <div> @using (@Html.BeginForm("panduai","LogIn",FormMethod.Post)) { <div> 用户：@Html.TextBox("uid")<br /> 密码：@Html.Password("pwd")<br /> <input type="submit" value="登录" /> </div> } </div> </body> </html>
LogInBF
using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace MvcApplication1.Models { public class LogInBF { private NewsDBDataContext Context = new NewsDBDataContext(); public bool LogInCheck(string uid,string pwd) { var query = Context.users.Where(p=>p.uids==uid && p.pwd==pwd); if (query.Count()>0) { return true; } return false; } } }
LogInController
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; using MvcApplication1.Models; namespace MvcApplication1.Controllers { public class LogInController : Controller { // // GET: /LogIn/ public ActionResult Index() { return View(); } public ActionResult panduai(string uid, string pwd) { bool isok = new LogInBF().LogInCheck(uid,pwd); if (isok) { Session["user"] = uid;//保存登录状态，添加会话保存当前的登录账户 return RedirectToAction("Index", "Home"); } else { return RedirectToAction("Index"); } } } }
HomeController
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; using MvcApplication1.Models; namespace MvcApplication1.Controllers { public class HomeController : Controller { // // GET: /Home/ //查询所有信息 public ActionResult Index() { //调取会话中信息，判断是否为空，不为空证明是从登录界面登录过来的，是空的话证明没有登录 if (Session["user"]==null) { return RedirectToAction("Index","LogIn"); } List<News> s = new NewsBF().Select(); return View(s); } public ActionResult xiugai(string id) { if (Session["user"] == null) { return RedirectToAction("Index", "LogIn"); } News s= new NewsBF().Select(id); return View(s); } public ActionResult tianjia() { if (Session["user"] == null) { return RedirectToAction("Index", "LogIn"); } News s = new News();//传递一个空的对象，给对象赋满值后添加进数据库 return View(s); } public ActionResult Insert(News s) { if (Session["user"] == null) { return RedirectToAction("Index", "LogIn"); } new NewsBF().Insert(s); return RedirectToAction("Index"); } public ActionResult Update(News s) { if (Session["user"] == null) { return RedirectToAction("Index", "LogIn"); } new NewsBF().Update(s); return RedirectToAction("Index"); } public ActionResult Delete(string id) { if (Session["user"] == null) { return RedirectToAction("Index", "LogIn"); } try { new NewsBF().Delete(id); return RedirectToAction("Index"); } catch (Exception) { throw; } } } }
NewsBF
using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace MvcApplication1.Models { public class NewsBF { private NewsDBDataContext Context = new NewsDBDataContext(); //插入 public void Insert(News s) { s.times = DateTime.Now; Context.News.InsertOnSubmit(s); Context.SubmitChanges(); } //按ID查询 public News Select(string id) { var query = Context.News.Where(p=>p.newsid==int.Parse(id)); if (query.Count()>0) { News s = query.First(); return s; } return null; } //删除 public void Delete(string id) { var query = Context.News.Where(p=>p.newsid==int.Parse(id)); if (query.Count()>0) { News s = query.First(); Context.News.DeleteOnSubmit(s); Context.SubmitChanges(); } } //修改 public void Update(News n) { var query = Context.News.Where(p=>p.newsid==n.newsid); if (query.Count()>0) { News s = query.First(); s.newsid = n.newsid; s.title = n.title; s.zname = n.zname; s.laiyuan = n.laiyuan; s.txt = n.txt; s.times = n.times; Context.SubmitChanges(); } } //查询全部信息 public List<News> Select() { return Context.News.ToList(); } } }
Index.cshtml
@using MvcApplication1.Models; @model List<News> @{ Layout = null; } <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>Index</title> <style type="text/css"> .tbhead { background-color: navy; text-align: center; color: white; font-weight: bold; } .tbrow1 { text-align:center; background-color:#FFFFcc; } #f1 { margin-left:600px; margin-top:0px; } </style> </head> <body> <div> <table id="tbstu" width="100%" cellpadding="4" cellspacing="1" border="0"> <tr class="tbhead"> <td>编号</td> <td>标题</td> <td>作者</td> <td>来源</td> <td>内容</td> <td>日期</td> <td>更新</td> <td>操作</td> </tr> @{ foreach(News s in Model) { <tr class="tbrow1"> <td>@s.newsid</td> <td>@s.title</td> <td>@s.zname</td> <td>@s.laiyuan</td> <td>@s.txt</td> <td>@s.times</td> <td> @Html.ActionLink("修改", "xiugai", "Home", new { id=s.newsid},null) </td> <td> @Html.ActionLink("删除", "Delete", "Home", new { id = s.newsid }, new {onclick="return confirm('确认删除 "+@s.title+" 吗？')" }) </td> </tr> } } </table> <form id="f1" action="/Home/tianjia"> <input type="submit" value="添加" /> </form> </div> </body> </html>
tianjia.cshtml
@using MvcApplication1.Models; @model News @{ Layout = null; } <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>tianjia</title> <style type="text/css"> .tbhead { background-color: navy; text-align: center; color: white; font-weight: bold; } .tbrow1 { text-align:center; background-color:#FFFFcc; } #f1 { margin-left:600px; margin-top:-26px; } </style> </head> <body> <div> @using (Html.BeginForm("Insert", "Home", FormMethod.Post)) { <table id="tbstu" width="100%" cellpadding="4" cellspacing="1" border="0"> <tr class="tbhead"> <td colspan="3">发布新闻 </td> </tr> <tr style="display:none"> <td> @Html.HiddenFor(p=>p.newsid) @Html.HiddenFor(p=>p.times) </td> </tr> <tr class="tbrow1"> <td width="20%"></td> <td>标题：</td> <td>@Html.TextBoxFor(p=>p.title)</td> </tr> <tr class="tbrow1"> <td width="20%"></td> <td>作者：</td> <td>@Html.TextBoxFor(p=>p.zname)</td> </tr> <tr class="tbrow1"> <td width="20%"></td> <td>来源：</td> <td>@Html.TextBoxFor(p=>p.laiyuan)</td> </tr> <tr class="tbrow1"> <td width="20%"></td> <td>内容：</td> <td height="200px">@Html.TextAreaFor(P => P.txt, new {rows="10" })</td> </tr> <tr class="tbrow1"> <td colspan="3"> <input type="submit" value="提交" /> </td> </tr> </table> } <form id="f1" action="/Home/Index" method="post"> <input type="submit" value="查看" /> </form> </div> </body> </html>
xiugai.cshtml
@using MvcApplication1.Models; @model News @{ Layout = null; } <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>xiugai</title> <style type="text/css"> .tbhead { background-color: navy; text-align: center; color: white; font-weight: bold; } .tbrow1 { text-align:center; background-color:#FFFFcc; } #f1 { margin-left:600px; margin-top:-26px; } </style> </head> <body> <div> @using (Html.BeginForm("Update", "Home", FormMethod.Post)) { <table id="tbstu" width="100%" cellpadding="4" cellspacing="1" border="0"> <tr class="tbhead"> <td colspan="3">发布新闻 </td> </tr> <tr class="tbrow1" style="display:none"> <td width="20%"></td> <td>标号：</td> <td>@Html.TextBoxFor(p => p.newsid)</td> </tr> <tr class="tbrow1" style="display:none"> <td width="20%"></td> <td>标号：</td> <td>@Html.TextBoxFor(p => p.times)</td> </tr> <tr class="tbrow1"> <td width="20%"></td> <td>标题：</td> <td>@Html.TextBoxFor(p=>p.title)</td> </tr> <tr class="tbrow1"> <td width="20%"></td> <td>作者：</td> <td>@Html.TextBoxFor(p=>p.zname)</td> </tr> <tr class="tbrow1"> <td width="20%"></td> <td>来源：</td> <td>@Html.TextBoxFor(p=>p.laiyuan)</td> </tr> <tr class="tbrow1"> <td width="20%"></td> <td>内容：</td> <td height="200px">@Html.TextAreaFor(P=>P.txt,new {rows="10",cols="30" })</td> </tr> <tr class="tbrow1"> <td colspan="3"> <input type="submit" value="修改" /> </td> </tr> </table> } <form id="f1" action="/Home/Index" method="post"> <input type="submit" value="查看" /> </form> </div> </body> </html>
