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[HttpGet]
public ActionResult Modify(int id)
{
Books mod=db.Books.Where(b => b.Id == id).FirstOrDefault();
if (mod != null)
{
ViewData["category"] = db.Categories.ToList();
ViewBag.data = db.Publishers.ToList();
return View(mod);
}
return Content("not found");
}
[HttpPost]
public ActionResult Modify(Books mod)
{
HttpPostedFileBase file=Request.Files["File1"];
if(file!=null)
file.SaveAs(Server.MapPath("~/BookCovers/"+mod.ISBN+".jpg"));
Books book=db.Books.Where(b => b.Id == mod.Id).FirstOrDefault();
book.Title = mod.Title;
book.ISBN = mod.ISBN;
db.SaveChanges();
return Redirect("/Book/Index");
}
[HttpGet]
public ActionResult Add()
{
ViewData["category"] = db.Categories.ToList();
ViewBag.data = db.Publishers.ToList();
return View();
}
[HttpPost]
public ActionResult Add(Books mod)
{
HttpPostedFileBase file = Request.Files["File1"];
if (file != null)
file.SaveAs(Server.MapPath("~/BookCovers/" + mod.ISBN + ".jpg"));
mod.PublishDate = DateTime.Now;
db.Books.Add(mod);
db.SaveChanges();
//return Redirect("/Book/Index");
return RedirectToAction("Index");
}
public ActionResult Find()
{
string title = Request.Form["title"];
List<Books> list = null;
if (title != "")
list = db.Books.Where(b => b.Title.Contains(title)).ToList();
else
list = db.Books.Take(10).ToList();
return View("index",list);
}
@{
Layout = null; //add.cshtml
}
@using MvcApplication2.Models
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>Add</title>
</head>
<body>
<form method="post" enctype="multipart/form-data">
<table style="width:400px; margin:0 auto;" id="tab">
<thead>
<tr>
<th colspan="2" align="center" id="header">添加</th>
</tr>
</thead>
<tbody>
<tr>
<td>标题：</td>
<td>
<input name="Title" id="Title" type="text" />
</td>
</tr>
<tr>
<td>作者：</td>
<td>
<input name="Author" id="Author" type="text" />
</td>
</tr>
<tr>
<td>单价：</td>
<td>
<input name="Price" id="Price" type="text" />
</td>
</tr>
<tr>
<td>出版社：</td>
<td>
<select name="PublisherId">
@foreach (var item in ViewBag.data as List<Publishers>)
{
<option value="@item.pid">@item.pubName</option>
}
</select>
</td>
</tr>
<tr>
<td>类型：</td>
<td>
<select name="CategoryId">
@foreach (var item in ViewData["category"] as List<Categories>)
{
<option value="@item.cid">@item.catName</option>
}
</select>
</td>
</tr>
<tr>
<td>ISBN：</td>
<td>
<input id="ISBN" name="ISBN" type="text" />
</td>
</tr>
<tr>
<td>封面：</td>
<td>
<input id="File1" name="File1" type="file" />
</td>
</tr>
<tr>
<td>点击数：</td>
<td>
<input id="Clicks" value=" 0" name="Clicks" type="text" />
</td>
</tr>
<tr>
<td>出版日期：</td>
<td>
<input id="PublishDate" name="publishdate" type="text" />
</td>
</tr>
<tr>
<td></td>
<td>
<input id="btnOk" type="submit" value="确定" />
</td>
</tr>
</tbody>
</table>
</form>
</body>
</html>
@{
Layout = null; //modify.cshtml
}
@model MvcApplication2.Models.Books
@using MvcApplication2.Models
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>Modify</title>
</head>
<body>
<form action="/Book/Modify" method="post" enctype="multipart/form-data">
<input type="hidden" name="Id" value="@Model.Id" />
<table>
<tr>
<td>标题：</td>
<td><input name="Title" id="Title" value="@Model.Title" type="text" /></td>
</tr>
<tr>
<td>ISBN：</td>
<td><input name="ISBN" id="ISBN" value="@Model.ISBN" type="text" /></td>
</tr>
<tr>
<td>出版社：</td>
<td>
<select name="PublisherId">
@foreach (var item in ViewBag.data as List<Publishers>)
{
if(item.pid==Model.PublisherId){
<option value="@item.pid" selected>@item.pubName</option>
}
else
{
<option value="@item.pid">@item.pubName</option>
}
}
</select>
</td>
</tr>
<tr>
<td>类型：</td>
<td>
<select name="CategoryId">
@foreach (var item in ViewData["category"] as List<Categories>)
{
if (item.cid == Model.CategoryId)
{
<option value="@item.cid" selected>@item.catName</option>
}
else
{
<option value="@item.cid">@item.catName</option>
}
}
</select>
</td>
</tr>
<tr>
<td>封面：</td>
<td>
<input name="File1" type="file" /><br />
@{string img = Model.ISBN + ".jpg";}
<img src="~/BookCovers/@img" width="100" height="150"/>
</td>
</tr>
<tr>
<td></td>
<td><input id="Submit1" type="submit" value="确定" /></td>
</tr>
</table>
</form>
</body>
</html>
@{
Layout = null; //index.cshtml
}
@using MvcApplication2.Models
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>Index</title>
<script>
function find() {
//location.href = "/Book/Find";
}
</script>
</head>
<body>
<div>
<table>
<tr>
<td>
<form action="/Book/Find" method="post">
按标题查询：<input name="Title" type="text" /><input id="Button1" type="submit" value="查询" />
</form>
</td>
</tr>
</table>
<table>
@foreach (var item in Model as List<Books>)
{
<tr>
<td>@item.Title</td>
<td><a href="/Book/Delete/@item.Id">删除</a></td>
<td><a href="/Book/Modify/@item.Id">修改</a></td>
</tr>
}
</table>
<a href="/Book/Add">添加</a>
</div>
</body>
</html>
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原文地址：http://www.cnblogs.com/yiran123456/p/5543868.html
