CREATE DATABASE [InfoManagerSystem]
GO
USE [InfoManagerSystem]
GO
/****** Object: Table [dbo].[User] Script Date: 10/15/2019 08:14:50 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[User](
[UserName] [varchar](200) NOT NULL,
[UserPwd] [varchar](200) NOT NULL
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
GO
INSERT [dbo].[User] ([UserName], [UserPwd]) VALUES (N'Admin', N'Admin')
/****** Object: Table [dbo].[InfoManager] Script Date: 10/15/2019 08:14:49 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[InfoManager](
[ID] [int] IDENTITY(1,1) NOT NULL,
[Title] [varchar](200) NOT NULL,
[Sort] [varchar](200) NOT NULL,
[Source] [varchar](200) NOT NULL,
[Browser] [bigint] NULL,
[Status] [int] NULL
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
GO
SET IDENTITY_INSERT [dbo].[InfoManager] ON
INSERT [dbo].[InfoManager] ([ID], [Title], [Sort], [Source], [Browser], [Status]) VALUES (1, N'老人与海', N'经典文学', N'湖南科技出版社', 2000, 1)
SET IDENTITY_INSERT [dbo].[InfoManager] OFF
namespace DaysGone.ManagerSys.Mode
{
using System;
using System.Collections.Generic;
public partial class User
{
public string UserName { get; set; }
public string UserPwd { get; set; }
}
}
InfoManager类
namespace DaysGone.ManagerSys.Mode
{
using System;
using System.Collections.Generic;
public partial class InfoManager
{
public int ID { get; set; }
public string Title { get; set; }
public string Sort { get; set; }
public string Source { get; set; }
public Nullable Browser { get; set; }
public Nullable Status { get; set; }
}
}
Result类
namespace DaysGone.ManagerSys.Mode
{
public class OperateResult
{
public bool Success;
}
}
数据访问层
数据访问层需要引用Mode层
BaseRepository类
using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;
namespace DaysGone.ManagerSys.Dal
{
public class BaseRepository where T : class
where TS : DbContext, new()
{
private DbContext db = DbContextFactory.GetCurrentDbContext();
//添加单条记录
public bool Add(T entily)
{
db.Set().Add(entily);
return db.SaveChanges() > 0;
}
//添加多条记录
public bool AddList(List entily)
{
db.Set().AddRange(entily);
return db.SaveChanges() > 0;
}
//删除
public bool DELETE(T entily)
{
db.Entry(entily).State = EntityState.Deleted;
return db.SaveChanges() > 0;
}
//删除多个
public bool BDELETE(List entiles)
{
db.Set().RemoveRange(entiles);
return db.SaveChanges() > 0;
}
//根据id删除
public bool BatchDELETE(params int[] entiles)
{
foreach (var id in entiles)
{
var entity = db.Set().Find(id);
if (entity != null)
{
db.Set().Remove(entity);
}
}
return db.SaveChanges() > 0;
}
//修改
public bool Update(T entily)
{
db.Entry(entily).State = EntityState.Modified;
return db.SaveChanges() > 0;
}
//查询一个集合
public List QueryList(Expression> lambdaExpression)
{
return db.Set().Where(lambdaExpression).ToList();
}
//查询一个对象，如果没有返回null
public T Query(Expression> lambdaExpression)
{
return db.Set().SingleOrDefault(lambdaExpression);
}
public bool Exists(Expression> lambdaExpression)
{
return db.Set().Any(lambdaExpression);
}
//分页查询
public List QuerypageList(int pageIndex, int pageSize, Expression> wheredma, Expression> orderbyLamba, out int count, bool isAc = true)
{
count = db.Set().Where(wheredma).Count();
if (!isAc)
{
return db.Set().Where(wheredma).OrderByDescending(orderbyLamba).Skip((pageIndex - 1) * pageSize).Take(pageSize).ToList();
}
else
{
return db.Set().Where(wheredma).OrderBy(orderbyLamba).Skip((pageIndex - 1) * pageSize).Take(pageSize).ToList();
}
}
}
}
UserRepository类
public partial class UserRepository : BaseRepository
{
}
InfoManagerRepository类
public partial class InfoManagerRepository : BaseRepository
{
}
业务逻辑层
BaseService类
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;
using DaysGone.ManagerSys.DAL;
using DaysGone.ManagerSys.Mode;
namespace DaysGone.ManagerSys.Bll
{
public class BaseService where T : class
{
private BaseRepository baseRepository = new BaseRepository();
//添加单条记录
public virtual bool Add(T entily)
{
return baseRepository.Add(entily);
}
//添加多条记录
public virtual bool AddList(List entily)
{
return baseRepository.AddList(entily);
}
//删除
public virtual bool DELETE(T entily)
{
return baseRepository.DELETE(entily);
}
//删除多个
public virtual bool BDELETE(List entiles)
{
return baseRepository.BDELETE(entiles);
}
//根据id删除
public bool BatchDELETE(params int[] entiles)
{
return baseRepository.BatchDELETE(entiles);
}
//修改
public virtual bool Update(T entily)
{
return baseRepository.Update(entily);
}
//查询一个集合
public virtual List QueryList(Expression> lambdaExpression)
{
return baseRepository.QueryList(lambdaExpression);
}
//查询一个对象，如果没有返回null
public virtual T Query(Expression> lambdaExpression)
{
return baseRepository.Query(lambdaExpression);
}
public virtual bool Exists(Expression> lambdaExpression)
{
return baseRepository.Exists(lambdaExpression);
}
//分页查询
public virtual List QuerypageList(int pageIndex, int pageSize, Expression> wheredma, Expression> orderbyLamba, out int count, bool isAc = true)
{
return baseRepository.QuerypageList(pageIndex, pageSize, wheredma, orderbyLamba, out count, isAc);
}
}
}
InfoManagerService类
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using DaysGone.ManagerSys.Mode;
namespace DaysGone.ManagerSys.Bll
{
public class InfoManagerService : BaseService
{
public InfoManager SelectInfoMangers(int id)
{
return Query(a => a.ID == id);
}
}
}
AdminUserService类
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using DaysGone.ManagerSys.Mode;
namespace DaysGone.ManagerSys.Bll
{
public class AdminUserService : BaseService
{
///
/// 记住密码
///
///
///
public User AdminByReader(User users)
{
return Query(a => a.UserName == users.UserName && a.UserPwd == users.UserPwd);
}
}
}
UI层
AdminContext类（Models文件夹内）
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.SessionState;
using DaysGone.ManagerSys.Modles;
namespace DaysGone.ManagerSys.Web.Models
{
public class AdminContext
{
///
/// 设置key值
///
private const string sessionKey = "AdminInfo_session_Key";
public HttpSessionState httpSession => HttpContext.Current.Session;
///
/// 设置静态 上下文
///
public static AdminContext context = new AdminContext();
///
/// 设置用户表
///
public User adminUser
{
get
{
return httpSession[sessionKey] as User;
}
set
{
httpSession[sessionKey] = value;
}
}
}
}
ResultDataSet类（Models文件夹内）
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace DaysGone.ManagerSys.Web.Models
{
public class ResultDataSet
{
public int code { get; set; }
public string msg { get; set; }
public int count { get; set; }
public List data { get; set; }
}
}
过滤器（Attributes文件夹内）
行为过滤器（ActionAttribute）
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using DaysGone.ManagerSys.Web.Models;
namespace DaysGone.ManagerSys.Web.Attributes
{
public class ActionAttribute : ActionFilterAttribute //行为过滤器
{
///
/// 调用控制器对应的Action方法之后的操作
///
///
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
if (AdminContext.context.adminUser != null)
{
//获取用户名
string username = AdminContext.context.adminUser.UserName;
string controller = filterContext.RouteData.Values["Controller"].ToString();
string action = filterContext.RouteData.Values["Action"].ToString();
//获取系统的日志
string msg = $"时间:{DateTime.Now},用户名:{username},已完成控制器:{controller},页面:{action}";
//获取文件路径
string path = "D:\\lj.txt";
File.AppendAllText(path, msg);
}
}
///
/// 调用控制器对应的Action方法之前的操作
///
///
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
if (AdminContext.context.adminUser != null)
{
string username = AdminContext.context.adminUser.UserName;
string controller = filterContext.RouteData.Values["Controller"].ToString();
string action = filterContext.RouteData.Values["Action"].ToString();
//获取系统的日志
string msg = $"时间:{DateTime.Now},用户名:{username},正在操作控制器:{controller},页面:{action}";
//获取文件路径
string path = "D:\\Exception.txt";
File.AppendAllText(path, msg);
}
//获取用户名
}
///
/// 调用控制器对应的Action方法之后页面渲染之后的操作
///
///
public override void OnResultExecuted(ResultExecutedContext filterContext)
{
}
///
/// 调用控制器对应的Action方法之后页面渲染之前的操作
///
///
public override void OnResultExecuting(ResultExecutingContext filterContext)
{
}
}
}
异常过滤器（ExceptionAttribute）
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.Mvc;
namespace DaysGone.ManagerSys.Web.Attributes
{
public class ExceptionAttribute : HandleErrorAttribute //异常过滤器
{
///
/// 系统发生异常的操作
///
///
public override void OnException(ExceptionContext filterContext)
{
//Exception exception = filterContext.Exception;
//string msg = exception.Message;
//获取系统的日志
string exception = filterContext.Exception.ToString();
string msg = $"时间:{DateTime.Now},系统出错:{exception}";
//获取文件路径
string path = "D:\\Exception.txt";
//如果文件不存在则创建
/*if (!File.Exists(path))
{
File.Create(path);
}*/
File.AppendAllText(path, msg);
}
}
}
权限过滤器（PermissionAttribute）
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;
using DaysGone.ManagerSys.Web.Models;
namespace DaysGone.ManagerSys.Web.Attributes
{
public class PermissionAttribute : AuthorizeAttribute //权限过滤器
{
///
/// 判断认证是否通过
///
///
///
protected override bool AuthorizeCore(HttpContextBase httpContext)
{
//如果上下文不为空
if (AdminContext.context.adminUser != null && httpContext.Session != null)
{
return true;
}
return false;
}
///
///认证不通过的时候所做的操作
///
///
protected override void HandleUnauthorizedRequest(AuthorizationContext filterContext)
{
//获取用户请求的地址
string path = filterContext.HttpContext.Request.Path;
//自定义路由跳转
Dictionary keys = new Dictionary();
keys.Add("Controller", "Home");
keys.Add("Action", "Login");
keys.Add("ReturnUrl", path);
var routeValue = new RouteValueDictionary(keys);
//根据指定路由跳转
filterContext.Result = new RedirectToRouteResult(routeValue);
}
}
}
控制器（Controllers文件夹内）
AdminUserController类
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Web;
using System.Web.Mvc;
using DaysGone.ManagerSys.Mode;
using DaysGone.ManagerSys.Bll;
using DaysGone.ManagerSys.Web.Models;
namespace DaysGone.ManagerSys.Web.Controllers
{
public class AdminUserController : Controller
{
public JsonResult Add(InfoManager infoManager)
{
ModueService modueService = new ModueService();
OperateResult operateResult = new OperateResult
{
Success = modueService.Add(infoManager)
};
return Json(operateResult);
}
//修改
public JsonResult Update(InfoManager infoManager)
{
InfoManagerService infoManagerService = new InfoManagerService();
OperateResult operateResult = new OperateResult
{
Success = infoManagerService.Update(infoManager)
};
return Json(operateResult);
}
#region 登陆操作
///
/// 登陆
///
///
///
///
public JsonResult Query(User users)
{
AdminUserService adminUserService = new AdminUserService();
OperateResult result = new OperateResult();
User user = users;
Expression> lambdaExpression = a => a.UserName==users.UserName && a.UserPwd==users.UserPwd;
//调用业务层的lamdam表达式的记住密码
user= adminUserService.AdminByReader(user);
result.Success = adminUserService.Query(lambdaExpression) != null;
if(result.Success)
{
//创建Cookie对象
HttpCookie httpCookie = new HttpCookie("CookieName");
httpCookie.Values.Add("UserName", user.UserName);
httpCookie.Values.Add("UserPwd", user.UserPwd);
//设置过期时间
httpCookie.Values.Add("time",DateTime.Now.AddDays(7).ToString());
//添加Cookie对象
System.Web.HttpContext.Current.Response.Cookies.Add(httpCookie);
}
//给上下文赋值
AdminContext.context.adminUser = user;
return Json(result);
}
#endregion
//删除单条数据
public JsonResult DELETE(InfoManager infoManager)
{
ModueService modueService = new ModueService();
OperateResult operateResult = new OperateResult
{
Success = modueService.DELETE(infoManager)
};
return Json(operateResult);
}
///
/// 去除session和cookie
///
///
#region 去除session和cookie
public ActionResult AdminOut()
{
//清除session
AdminContext.context.adminUser = null;
//获取cookie
HttpCookie cok = Response.Cookies["UserName"];
if (cok != null)
{
cok.Values.Clear();
}
return Redirect("/Home/login");
}
#endregion
//分页查询
public JsonResult GetMoudelList(int page, int limit)
{
InfoManagerService infoManagerService = new InfoManagerService();
ResultDataSet resultDataSet = new ResultDataSet
{
code = 0,
msg = string.Empty,
count = 0
};
int count = 0;
List modules = new List();
Expression> whereLambda = a =>true;
Expression> orderbyLambda = a => a.ID;
resultDataSet.data = infoManagerService.QuerypageList(page, limit, whereLambda, orderbyLambda, out count);
return Json(resultDataSet,JsonRequestBehavior.AllowGet);
}
// GET: AdminUser
public ActionResult Index()
{
return View();
}
}
}
HomeController类（Controllers文件夹内）
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using DaysGone.ManagerSys.Mode;
using DaysGone.ManagerSys.Bll;
using DaysGone.ManagerSys.Web.Attributes;
using DaysGone.ManagerSys.Web.Models;
namespace DaysGone.ManagerSys.Web.Controllers
{
public class HomeController : Controller
{
[PermissionAttribute]
public ActionResult Index()
{
return View();
}
public ActionResult adminlist()
{
return View();
}
public ActionResult articleadd()
{
return View();
}
public ActionResult articlelist()
{
return View();
}
public ActionResult login()
{
HttpCookie cookie = System.Web.HttpContext.Current.Request.Cookies.Get("CookieName");
if (cookie != null)
{
string name = cookie["UserName"];//等同于string name = cookie.Values.Get("UserName");
string pwd = cookie["UserPwd"];
DateTime time = DateTime.Parse(cookie["time"]);
if (name != null && pwd != null && time != null && DateTime.Now < time)
{
//将Cookie中的值赋给上下文session 使其在不登录时页面也能够显示
AdminContext.context.adminUser = new User()
{
UserName = name,
UserPwd = pwd
};
return Redirect("/Home/Index");
}
}
return View();
}
public ActionResult About()
{
ViewBag.Message = "Your application description page.";
return View();
}
public ActionResult Contact()
{
ViewBag.Message = "Your contact page.";
return View();
}
}
}
今天eclipse突然报了com/genuitec/eclipse/j2eedt/core/J2EEProjectUtil 错误，并且工程文件打不开了，在网上找了一下资料，然后按照方法操作了一遍，好了，解决方法如下：
错误提示信息：
An error has occurred.See error log for more details.
Reason:
com/genuitec/
Java使用按值传递的函数调用方式，这往往使我感到迷惑。因为在基础数据类型和对象的传递上，我就会纠结于到底是按值传递，还是按引用传递。其实经过学习，Java在任何地方，都一直发挥着按值传递的本色。
首先，让我们看一看基础数据类型是如何按值传递的。
public static void main(String[] args) {
int a = 2;
Implicits work like this: if you call a method on a Scala object, and the Scala compiler does not see a definition for that method in the class definition for that object, the compiler will try to con
工作与生产效率:
A. 背景声音
Noisli:背景噪音与颜色生成器。
Noizio:环境声均衡器。
Defonic:世界上任何的声响都可混合成美丽的旋律。
Designers.mx:设计者为设计者所准备的播放列表。
Coffitivity:这里的声音就像咖啡馆里放的一样。
B. 避免注意力分散
Self Co
