basepage.cs

可供共享学习.net环境下生产管理的实现

using System;
using System.Web;
using System.Web.Caching;
using System.Web.UI;
using System.Diagnostics;
using System.Configuration;
using Botheighten.Yanghui.BusinessFacade;
using Botheighten.Yanghui.BusinessRules;
using Botheighten.Yanghui.Framework;
using  System.Security.Cryptography;  
using  System.IO;  
using  System.Text;
 


namespace Botheighten.Yanghui.Web
{
	/// <summary>
	/// BasePage 的摘要说明。
	/// </summary>
	public class BasePage : System.Web.UI.Page
		{
		
			protected bool validate=true;
			protected bool DemoCheck=true;
			public BasePage()
			{
				//
				// TODO: 在此处添加构造函数逻辑
				//
			}

		public bool DefaultValidate
		{
			get
			{
				return this.validate;
			}
			set
			{
				this.validate=value;
			}

		}

			protected override void OnInit(EventArgs e)
			{
				base.OnInit(e);

			

				//验证权限

				if(validate)
				{
					if (!this.IsPostBack )
					{
						if (Session ["User"] == null)
						{
							Response.Write(@"<script>parent.location='"+Request.ApplicationPath + "/" + g.LOGIN_PAGE+"'</script>");
						}
						else
						{
							//this.validate=true;
//							Principal p = (Principal) Session["User"];
//							string page = Request.FilePath.Substring (Request.ApplicationPath.Length );
//							if (!p.HasPermission (page))
//							{
//								Response.Redirect (Request.ApplicationPath + "/" + g.ERROR_PAGE );
//							}
						}
					}
				}

				//初始化数据库连接			
				if(Application["DatabaseSetting"]==null || Application["DatabaseSetting"].ToString()!="Y")
				{
					string applicationPath=Request.ApplicationPath;
					if(applicationPath=="")
						applicationPath="/";
					if(!applicationPath.EndsWith("/"))
						applicationPath +="/";
					string DatabaseXml=applicationPath + ConfigurationSettings.AppSettings["DatabaseConfig"].ToString();

					DatabaseSetting.SettingDatabase(Server.MapPath(DatabaseXml));
					Application["DatabaseSetting"]="Y";
				}		
	

				//激活访问
				if(this.DemoCheck)
				{
					if(Application["Author"]==null || Application["Author"].ToString()!="Y")
					{
						string cpuId="";
						try
						{
							cpuId=Enc.GetCPUInfo();
						}
						catch
						{
							Response.Redirect(Request.ApplicationPath +"/Security.aspx",true);
						}

						if(Enc.IsAuthor(cpuId))
						{
							Application["Author"]="Y";
						}
						else
						{
							if( Application["Demo"]==null || Application["Demo"].ToString()!="Y")
							{
								Response.Redirect(Request.ApplicationPath + "/Demo.aspx",true);
							}
							else
							{
//								Config config=ConfigSystem.GetConfig();
//								if(config!=null)
//								{
//									string userDate=Enc.Decrypt(config.UserDate,Enc.EncKey(Enc.GetCPUInfo()));
//									if(DateTime.Parse(userDate).AddDays(30)<System.DateTime.Now)
//									{
//										Application["Expire"]="Y";
//										Response.Redirect(Request.ApplicationPath + "/Demo.aspx",true);
//									}
//								}
							}
										
						}

					
					}
				
				}

				//获取有关Application配置信息
				//公司名称 和每页显示信息条数

				if(Application["CompanyInfo"]==null || Application["PageSize"]==null)
				{
					Config config=ConfigSystem.GetConfig();
					if(config!=null)
					{
						if(config.CompanyName!=null)
                            Application["CompanyInfo"]=config.CompanyName;
						else
							Application["CompanyInfo"]="";
						Application["PageSize"]=config.PrintCount;
					}
					else
					{
						Application["CompanyInfo"]="";
						Application["PageSize"]=20;
					}
					
				}

				//每页显示条数
				

				this.Load += new System.EventHandler(this.BasePage_Load);
				this.Error +=new System.EventHandler(this.BasePage_Error);
			}

					
			

			protected void BasePage_Error(object sender,System.EventArgs e)
			{
				string errMsg;
				Exception currentError=Server.GetLastError();

				errMsg = "<link rel=\"stylesheet\" href=\""+Request.ApplicationPath+"/Styles/Site.css\">";
				errMsg += "<h1>页面出错[Page Error]</h1><hr/>本页发生一个异常 系统管理员请注意." +
					"请联系我们以便更好的解决此问题" +
					".<br/>"+
					"An unexpected error has occurred on this page.The system administrators have been notified.Please feel free to contact us with the information surrounding this error."+
					"<br/>"+
					"页面发生于[The error occurred in]: "+Request.Url.ToString()+"<br/>"+
					"出错信息[Error Message]: <font class=\"Alert\">"+ currentError.Message.ToString() + "</font><br/>"+
					"引发异常的方法[Error Method]:"+currentError.TargetSite.ToString()+"<hr/>"+
				
					"<b> 堆栈跟踪[Stack Trace]:</b><br/>"+
					currentError.ToString();

				//具体的错误事件处理
				//建议记录进Error.Log文件
				//			if ( !(currentError is AppException) )
				//			{
				//				// It is not one of ours, so we cannot guarantee that it has been logged
				//				// into the event log.
				//				//LogEvent( currentError.ToString(), EventLogEntryType.Error );
				//				
				//			}

				Response.Write( errMsg );
				Server.ClearError();
			
			}


			protected void GoBackFunction(System.Web.UI.WebControls.Button btnBack)
			{
				if (!this.IsPostBack)
				{
					ViewState["Count"]="-1";
					btnBack.Attributes.Add("onclick","history.go("+ViewState["Count"].ToString()+");return false;");			
				}
				if (this.IsPostBack)
				{
					ViewState["Count"]=int.Parse(ViewState["Count"].ToString())-1;
					btnBack.Attributes.Add("onclick","history.go("+ViewState["Count"]+");return false;");			
				}
			}


			private void BasePage_Load(object sender,System.EventArgs e)
			{

				//获取当前应用项目名称
				//定义CSS文件引用
				string cssFile="<link rel=\"stylesheet\" href=\""+Request.ApplicationPath+"/Styles/Site.css\">";
				Response.Write (cssFile);
			}

			/// <summary>
			///		返回当前登陆用户
			/// </summary>
			/// <returns>Principal对象</returns>
			protected Principal CurrentUser ()
			{
				if (Session ["User"] != null)
				{
					return (Principal)Session["User"];
				}
				else
				{
					Response.Write(@"<script>parent.location='"+Request.ApplicationPath + "/" + g.LOGIN_PAGE+"'</script>");
					return null;

				}
			}

			protected void ReponseWriteDeleteScript()
			{
				Response.Write(@"<script language='javascript'>
<!-- 
function Delete()
{
return confirm('"+"您确定要删除记录吗？"+@"');
}
//-->
</script>");
			}


		protected void CheckPermissionPage(string userId,string IsSuper,string per)
		{
			if(!LoginSystem.CheckPermission(userId,IsSuper,per))
			{
				//Response.Write(@"<script>parent.location='"+Request.ApplicationPath + "/" + g.LOGIN_PAGE+"'</script>");
				Response.Write("<table width='80%' border=0><tr><td align='center'><font color='red'>您没有此管理权限,请跟超级管理员联系!</font></td></tr></table>");
				Response.End();	
			}
		}

		}

	}