using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Configuration; using System.Data.OleDb; using System.Drawing; using System.Web; using System.IO; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; namespace makehtmlfile { /// <summary> /// makefile2 的摘要说明。 /// </summary> public class makefile2 : System.Web.UI.Page { public string strcon; public OleDbConnection conn; public string class1id; public string class2id; //*********************************** public string previd; public string prevtitle; public string nextid; public string nexttitle; //*********************************** public string newstitle; public string newscontent; public string newsdate; public string newsip; public string newsid; //************************************ private void Page_Load(object sender, System.EventArgs e) { strcon = "provider=Microsoft.jet.OLEDB.4.0;data Source="+Server.MapPath(ConfigurationSettings.AppSettings["MDBpath2"])+";";//连接字符窜// 在此处放置用户代码以初始化页面 if(Request.Params["id"]!=null&&Request.Params["class1id"]!=null&&Request.Params["class2id"]!=null) { InitialPages(,',','); }// 在此处放置用户代码以初始化页面 } public void InitialPages() { strcon = "provider=Microsoft.jet.OLEDB.4.0;data Source="+Server.MapPath(ConfigurationSettings.AppSettings["MDBpath2"])+";"; if(Request.Params["id"]!=null) { newsid = Request.Params["id"].ToString(,',','); } if(Request.Params["class1id"]!=null) { class1id = Request.Params["class1id"].ToString(,',','); } if(Request.Params["class2id"]!=null) { class2id = Request.Params["class2id"].ToString(,',','); } ReadDataBase(newsid,class2id,',','); MakeHtmlFile(newsid,class1id,class2id,',','); } /// <summary> /// 读写同一分类中,上一篇,和下一篇文章 /// </summary> /// <param name="inputid"> 该文章ID</param> /// <param name="class2id">该文章所属分类ID</param> public void ReadPrevAndNext(string inputid,string class2id) { int id = int.Parse(inputid,',','); string strPrevSQL = "select top 1 id,newstitle,newsdate from news where class2id='"+ class2id +"' and id<"+id+" order by id desc"; string strNextSQL = "select top 1 id,newstitle,newsdate from news where class2id='"+ class2id +"' and id>"+id+" order by id asc"; OleDbDataReader datar = null; OleDbConnection con = new OleDbConnection(strcon,',','); con.Open(,',','); OleDbCommand newcommand = new OleDbCommand(strPrevSQL,con,',','); datar = newcommand.ExecuteReader(,',','); while(datar.Read()) { previd = datar["id"].ToString(,',','); prevtitle = datar["newstitle"].ToString(,',','); } datar.Close(,',','); newcommand.CommandText = strNextSQL ; datar = newcommand.ExecuteReader(,',','); while(datar.Read()) { nextid = datar["id"].ToString(,',','); nexttitle = datar["newstitle"].ToString(,',','); } con.Close(,',','); } /// <summary> /// 将文章信息从库中读出,并将准备生成的HTML文件路径写入库中 /// </summary> /// <param name="inputid"></param> /// <param name="class2id"></param> public void ReadDataBase(string inputid,string class2id) { string filename_w = MakeFileName(class1id,class2id,newsid)+".htm"; ReadPrevAndNext(inputid,class2id,',','); //读取下一篇和上一篇的信息。 OleDbConnection mycon = new OleDbConnection(strcon,',','); //打开数据库连接 mycon.Open(,',','); int id = int.Parse(inputid,',','); string strSQL = "select * from news where id="+id; OleDbDataReader dr = null; OleDbCommand mycommand = new OleDbCommand(strSQL,mycon,',','); dr = mycommand.ExecuteReader(,',','); while(dr.Read()) { newstitle = dr["newstitle"].ToString(,',','); newscontent = dr["newscontent"].ToString(,',','); newsdate = dr["newsdate"].ToString(,',','); newsip = dr["newsip"].ToString(,',','); } dr.Close(,',','); mycommand.CommandText = "update news set url='"+ filename_w +"' where id="+int.Parse(inputid,',','); //将生成的文件路径写入库中,以遍在生成分类页中方便使用 mycommand.ExecuteNonQuery(,',','); mycon.Close(,',','); } /// <summary> /// 生成目标目录和文件,主要用来生成不同分类的目录 /// </summary> /// <param name="inputstr"></param> /// <returns></returns> public string MakeCatalogName(string class1,string class2) //生成目标目录文件 { string namestr = "Article"; string rootstr = Server.MapPath(".").ToString(,',','); string class1str = rootstr + "\\" + namestr + "_" + class1 + "\\"; string class2str = rootstr + "\\" + namestr + "_" + class1 + "\\" + namestr + "_" + class2 + "\\"; if(!Directory.Exists(class1str)) { Directory.CreateDirectory(class1str,',','); } if(!Directory.Exists(class2str)) { Directory.CreateDirectory(class2str,',','); } //创建目标文件夹 return class2str; } /// <summary> /// 根据文章分类和ID生成文件名 /// </summary> /// <param name="class1id"></param> /// <param name="class2id"></param> /// <param name="nid"></param> /// <returns>返回文件名</returns> public string MakeFileName(string class1,string class2,string id) //生成文件名,能够生成上下篇 { string myclass2id = class2; string myclass1id = class1; string s = DateTime.Now.Year.ToString() +DateTime.Now.Month.ToString() +DateTime.Now.Day.ToString() +"_" +myclass1id +"_" +myclass2id //父类ID +"_" +id; //新闻ID return s; } /// <summary> /// 生成HTML文件 /// </summary> /// <param name="nid">文章ID号</param> public void MakeHtmlFile(string nid,string cla1id,string cla2id) // MakeHtmlFile(string nid,string cla1id,string cla2id,string filetemp) 用于区分不同的摸班 { string file_path = Server.MapPath ("template/news_mb.htm",',','); string desfilename = MakeFileName(cla1id,cla2id,nid)+".htm"; string desfile = MakeCatalogName(cla1id,cla2id)+MakeFileName(cla1id,cla2id,nid)+".htm"; string prevurl = MakeFileName(cla1id,cla2id,previd)+".htm"; //根据分类和ID生成上下篇的文件连接名 string nexturl = MakeFileName(cla1id,cla2id,nextid)+".htm"; //下篇 System.Text.Encoding code = System.Text.Encoding.GetEncoding("gb2312",',','); StreamReader srd = null; //读 StreamWriter swr = null; //写 string strFile = null ; //字符串 try { srd = new StreamReader(file_path, code,',','); strFile = srd.ReadToEnd(,',','); // 读取文件 } catch(Exception exp) { HttpContext.Current.Response.Write(exp.Message,',','); HttpContext.Current.Response.End(,',','); srd.Close(,',','); } strFile = strFile.Replace("$title$",newstitle,',','); strFile = strFile.Replace("$content$",newscontent,',','); strFile = strFile.Replace("$date$",newsdate,',','); strFile = strFile.Replace("$ip$",newsip,',','); strFile = strFile.Replace("$prev$",prevtitle,',','); strFile = strFile.Replace("$next$",nexttitle,',','); strFile = strFile.Replace("$prevurl$",prevurl,',','); strFile = strFile.Replace("$nexturl$",nexturl,',','); try { swr = new StreamWriter(desfile,false,code,',','); swr.Write(strFile,',','); swr.Flush(,',','); } catch(Exception ex) { HttpContext.Current.Response.Write(ex.Message,',','); HttpContext.Current.Response.End(,',','); } finally { swr.Close(,',','); } if(srd!=null) { srd.Close(,',','); } Response.Write(desfilename,',','); } public void Open() { if(conn==null) { conn = new OleDbConnection(strcon,',','); conn.Open(,',','); } } public void Close() { if(conn!=null) { conn.Close(,',','); } } #region Web 窗体设计器生成的代码 override protected void OnInit(EventArgs e) { // // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。 // InitializeComponent(,',','); base.OnInit(e,',','); } /// <summary> /// 设计器支持所需的方法 - 不要使用代码编辑器修改 /// 此方法的内容。 /// </summary> private void InitializeComponent() { this.Load += new System.EventHandler(this.Page_Load,',','); } #endregion } }
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