步步为营-93-MVC+EF简单实例

1:创建MVC项目

步步为营-93-MVC+EF简单实例

2:添加EF数据(这里选择DataBaseFirst模式)

步步为营-93-MVC+EF简单实例

3:添加控制器

步步为营-93-MVC+EF简单实例

3.1.1 创建列表页面

步步为营-93-MVC+EF简单实例

3.1.2 html页面

@using MvcApplication1
@{
ViewBag.Title = "Index";
} <div>
<table>
<tr>
<th>编号</th>
<th>用户名</th>
<th>密码</th>
<th>详情</th>
</tr>
@{
foreach (var item in (IQueryable<TB_User>)ViewData["UserInfoList"])
{
<tr>
<td>@item.UserID</td>
<td>@item.UserName</td>
<td>@item.Password</td>
<td><a href="/UserInfo/ShowDetail?id=@item.UserID">详情</a></td>
</tr>
}
}
</table>
</div>

3.2.1 详情页面

步步为营-93-MVC+EF简单实例

3.2.2 html页面

@using MvcApplication1
@{
ViewBag.Title = "ShowDetail";
} <h2>ShowDetail</h2>
<div>
@{
TB_User item = (TB_User)ViewData["UserInfo"]; <table>
<tr><td>用户ID </td> <td>@item.UserID </td></tr>
<tr><td>用户的登录ID </td> <td>@item.UserLoginID </td></tr>
<tr><td>密码 </td> <td>@item.Password </td></tr>
<tr><td>用户代码 </td> <td>@item.UserCode </td></tr>
<tr><td>用户名称 </td> <td>@item.UserName </td></tr>
<tr><td>用户类型 </td> <td>@item.UserType </td></tr>
<tr><td>电子邮件 </td> <td>@item.Email </td></tr>
<tr><td>移动电话 </td> <td>@item.MobilePhone </td></tr>
<tr><td>商务电话 </td> <td>@item.BusinessTelephone </td></tr>
<tr><td>出生日期 </td> <td>@item.BirthDay </td></tr>
<tr><td>性别 </td> <td>@item.Gender </td></tr>
<tr><td>国籍 </td> <td>@item.Nationality </td></tr>
<tr><td>籍贯 </td> <td>@item.NativePlace </td></tr>
<tr><td>纸张类型 </td> <td>@item.PaperType </td></tr>
<tr><td>论文数 </td> <td>@item.PaperNumber </td></tr>
<tr><td>加入日期 </td> <td>@item.JoinDate </td></tr>
<tr><td>离开日期 </td> <td>@item.LeaveDate </td></tr>
<tr><td>教育类 </td> <td>@item.Education </td></tr>
<tr><td>婚姻状况 </td> <td>@item.MaritalStatus </td></tr>
<tr><td>银行 </td> <td>@item.Bank </td></tr>
<tr><td>银行账户 </td> <td>@item.BankAccount </td></tr>
<tr><td>现状 </td> <td>@item.Status </td></tr>
<tr><td>造物主 </td> <td>@item.Creator </td></tr>
<tr><td>创建日期 </td> <td>@item.CreateDate </td></tr>
<tr><td>更新用户 </td> <td>@item.UpdateUser </td></tr>
<tr><td>更新日期 </td> <td>@item.UpdateDate </td></tr>
<tr><td>EAS用户编码 </td> <td>@item.Eas_UserCode </td></tr>
<tr><td>EAS的用户名 </td> <td>@item.Eas_UserName </td></tr>
<tr><td>备注 </td> <td>@item.Rank </td></tr> </table>
}
</div>

3.3.1 删除页面

步步为营-93-MVC+EF简单实例

3.3.2 html页面

@using MvcApplication1
@using MvcApplication1.Common
@{
ViewBag.Title = "Index";
}
<script type="text/javascript">
window.onload = function () {
var deleteClass = document.getElementsByClassName("deleteClass");
var deleteLength = deleteClass.length;
for (var i = ; i < deleteLength; i++) {
deleteClass[i].onclick = function () {
if (!confirm("确认要删除吗?")) {
return false;
}
}
}
}
</script>
<link href="~/Css/pageBarStyle.css" rel="stylesheet" />
<div>
<table>
<tr>
<th>编号</th>
<th>用户名</th>
<th>密码</th>
<th>详情</th>
</tr>
@{
foreach (var item in (IQueryable<TB_User>)ViewData["UserInfoList"])
{
<tr>
<td>@item.UserID</td>
<td>@item.UserName</td>
<td>@item.Password</td>
<td>
<a href="/UserInfo/ShowDetail?id=@item.UserID">详情</a>
<a href="/UserInfo/Delete?id=@item.UserID" class="deleteClass">删除</a>
</td>
</tr>
}
}
<tr>
<td>
@PageBarHelper.GetPageBar((int)ViewData["pageIndex"], (int)ViewData["pageCount"],)
</td>
</tr>
</table>
<hr /> </div>

3.4.1 分页功能

步步为营-93-MVC+EF简单实例

效果图:

步步为营-93-MVC+EF简单实例

整体代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc; namespace MvcApplication1.Controllers
{
public class UserInfoController : Controller
{
//
// GET: /UserInfo/
ZLDC_CostControl_TestEntities db = new ZLDC_CostControl_TestEntities();
public ActionResult Index()
{
//var userInfoList = db.TB_User.Where<TB_User>(u => u.Status==1);
//ViewData["UserInfoList"] = userInfoList;
//return View(); #region 分页
int pageIndex;//当前页数
if (!int.TryParse(Request["pageIndex"],out pageIndex))
{
pageIndex = ;
}
int recordCount;//总记录数
recordCount = db.TB_User.Where<TB_User>(u => u.Status == ).Count();
int pageSize;//每页多少条
pageSize=;
int pageCount;//总的页数
pageCount = Convert.ToInt32(Math.Ceiling((double)(recordCount / pageSize)));
pageIndex = pageIndex < ? : pageIndex;
pageIndex = pageIndex > pageCount ? pageCount : pageIndex;
var userInfoList = db.TB_User.Where<TB_User>(u => u.Status == ).OrderByDescending<TB_User, DateTime>(u => (DateTime)u.CreateDate).Skip<TB_User>((pageIndex-)*pageSize).Take<TB_User>(pageSize);
ViewData["UserInfoList"] = userInfoList;
ViewData["pageIndex"] = pageIndex;
ViewData["pageCount"] = pageCount;
return View();
#endregion
}
public ActionResult ShowDetail()
{
string userID =Request["id"];
var userInfo = db.TB_User.Where(u => u.UserID == userID).FirstOrDefault();
ViewData["UserInfo"] = userInfo;
return View();
}
public ActionResult Delete()
{
string userID = Request["id"];
var userInfo = db.TB_User.Where(u => u.UserID == userID).FirstOrDefault();
if (userInfo != null)
{
userInfo.Status = ;
db.Entry<TB_User>(userInfo).State = System.Data.EntityState.Modified;
if (db.SaveChanges() > )
{
return RedirectToAction("Index");
}
else {
return Content("删除失败! ");
}
}
else {
return Content("删除失败! 要删除的数据不存在!");
}
}
}
}

UserInfoController

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.Mvc; namespace MvcApplication1.Common
{
public partial class PageBarHelper
{
/// <summary>
/// 获取底部数字页码显示条
/// </summary>
/// <param name="pageIndex">当前页码值</param>
/// <param name="pageCount">总的页码值</param>
/// <param name="pageShowCount">需要显示上下几页页码</param>
/// <returns></returns>
public static MvcHtmlString GetPageBar(int pageIndex, int pageCount, int pageShowCount)
{
string pageBarHtml;
//假设每次显示10页数据.pageShowCount=10,一共有18页数据
int start = , end = ;//循环开始页,循环结束页 if (pageIndex <= pageShowCount / && pageCount >= pageShowCount)
{
//当前页码in( 1 2 3) ==== 1 2 3 4 5 6 7 8 9 10
start = ;
end = start + pageShowCount;
}
else if (pageIndex <= pageShowCount / && pageCount < pageShowCount)
{
//当前页码in( 1 2 3) ==== 1 2 3 4 5
start = ;
end = pageCount + ;
}
else if (pageIndex > pageShowCount / && pageIndex + pageShowCount / <= pageCount)
{
//当前页码in(8) ==== 3 4 5 6 7 8 9 10 11 12
start = pageIndex - pageShowCount / ;
end = start + pageShowCount;
}
else if (pageIndex > pageShowCount / && pageIndex + pageShowCount / > pageCount)
{
//当前页码in(16) ==== 9 10 11 12 13 14 15 16 17 18
start = pageCount - pageShowCount > ? pageCount - pageShowCount + : ;
end = pageCount + ;
}
StringBuilder sb = new StringBuilder(); if (pageIndex != )
{
sb.AppendFormat(@"<a href='?pageIndex={0}'>上一页</a>", pageIndex - ); } //循环遍历
for (int i = start; i < end; i++)
{ if (i == pageIndex)
{
sb.AppendFormat(@"<a href='#'>{0}</a>", i);
}
else
{
sb.AppendFormat(@"<a href='?pageIndex={0}'>{0}</a>", i);
} }
if (pageIndex != pageCount)
{
sb.AppendFormat(@"<a href='?pageIndex={0}'>下一页</a>", pageIndex + ); }
pageBarHtml = sb.ToString();
return MvcHtmlString.Create(sb.ToString());
} }
}

PageBarHelper

@using MvcApplication1
@using MvcApplication1.Common
@{
ViewBag.Title = "Index";
}
<script type="text/javascript">
window.onload = function () {
var deleteClass = document.getElementsByClassName("deleteClass");
var deleteLength = deleteClass.length;
for (var i = ; i < deleteLength; i++) {
deleteClass[i].onclick = function () {
if (!confirm("确认要删除吗?")) {
return false;
}
}
}
}
</script>
<link href="~/Css/pageBarStyle.css" rel="stylesheet" />
<div>
<table>
<tr>
<th>编号</th>
<th>用户名</th>
<th>密码</th>
<th>详情</th>
</tr>
@{
foreach (var item in (IQueryable<TB_User>)ViewData["UserInfoList"])
{
<tr>
<td>@item.UserID</td>
<td>@item.UserName</td>
<td>@item.Password</td>
<td>
<a href="/UserInfo/ShowDetail?id=@item.UserID">详情</a>
<a href="/UserInfo/Delete?id=@item.UserID" class="deleteClass">删除</a>
</td>
</tr>
}
}
<tr>
<td>
@PageBarHelper.GetPageBar((int)ViewData["pageIndex"], (int)ViewData["pageCount"],)
</td>
</tr>
</table>
<hr /> </div>

Index.cshtml

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