生成静态文件的新闻系统核心代码

技术2025-08-02 7

在网上看了许多能生成静态页的新闻系统，但基于asp.net的系统极少，闲下时间来自己写了一个，发出来，大家一起研究，代码没做什么优化，只是实现了功能

using System;using System.Collections;using System.ComponentModel;using System.Data;using System.Data.OleDb;using System.Drawing;using System.Web;using System.Web.SessionState;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.HtmlControls;using System.Configuration;

namespace makehtmlfile{ /// <summary> /// makeallfiles 的摘要说明。 /// </summary> public class makeallfiles : System.Web.UI.Page { public string strcon; public OleDbConnection conn; public string strSQL;

private void Page_Load(object sender, System.EventArgs e) { 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"])+";";//连接字符窜// 在此处放置用户代码以初始化页面 strSQL = "select id,class1id,class2id from news order by id desc"; MakeAreaForShow(); ReadNewsForWriteFileUserDataReader(); //同过DataReader来读取数据， //ReadNewsForWriteFileUserDataSet(); //将数据直接挂入DataSet中来读取， } /// <summary> /// 用来产生循环显示页面的区域，装载生成HTML页的ASPX页面的区域 /// </summary> public void MakeAreaForShow() { Response.Write("<span id=showImport></span>"); Response.Write("<IE:Download ID='oDownload' STYLE='behavior:url(#default#download)'/>"); }

/// <summary> /// 通过DATAREADER来读取数据 /// </summary> public void ReadNewsForWriteFileUserDataReader() { int num = 0 ; string newsid = null; string class1id = null; string class2id = null; OleDbDataReader dr = null; OleDbConnection conn = new OleDbConnection(strcon); conn.Open(); OleDbCommand mycommand = new OleDbCommand(strSQL,conn); dr = mycommand.ExecuteReader(); while(dr.Read()) { newsid = dr["id"].ToString(); class1id = dr["class1id"].ToString(); class2id = dr["class2id"].ToString(); WriteJScript(newsid,class1id,class2id); num++; } dr.Close(); conn.Close(); Response.Write(num.ToString());

}

/// <summary> /// 通过DATASET来读取数据 /// </summary> public void ReadNewsForWriteFileUserDataSet() { DataSet ds = new DataSet(); int num = 0 ; string newsid = null; string class1id = null; string class2id = null;

OleDbConnection conn = new OleDbConnection(strcon); conn.Open(); OleDbDataAdapter da = new OleDbDataAdapter(strSQL,conn); da.Fill(ds,"news"); conn.Close(); num = ds.Tables["news"].Rows.Count; foreach(DataRow dr in ds.Tables["news"].Rows) { newsid = dr["id"].ToString(); class1id = dr["class1id"].ToString(); class2id = dr["class2id"].ToString(); WriteJScript(newsid,class1id,class2id); } ds = null; Response.Write(num.ToString()); }

public void WriteJScript(string newsid,string class1id,string class2id) { Response.Write("<script>"); Response.Write("function onDownloadDone(downDate)"); Response.Write("{"); Response.Write("showImport.innerHTML=downDate"); Response.Write("}"); Response.Write("oDownload.startDownload('makefile2.aspx?id="); Response.Write(newsid); Response.Write("&class1id="); Response.Write(class1id); Response.Write("&class2id="); Response.Write(class2id); Response.Write("',onDownloadDone)"); Response.Write("</script>"); }

#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 }}

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(); } }

最新回复(0)