利用Render 静态化页面，谁搞过，这样性能如何？？？
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[已关闭问题]
关闭于 2012-04-25 13:20
源码：
t.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="t.aspx.cs" Inherits="t" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title></title> </head> <body> sdfasdfsadfsdafs 测试 </body> </html>
t.aspx.cs
using System; using System.IO; using System.Web.UI; public partial class t : System.Web.UI.Page { string CachePath; bool BeCreateCacheFile = false; protected void Page_Load(object sender, EventArgs e) { string RelativePath ="/RunTime/Index.html"; CachePath = Server.MapPath(RelativePath); FileInfo Info = new FileInfo(CachePath); if (Info.Exists) { if ((DateTime.Now-Info.LastWriteTime).Seconds>10) { BeCreateCacheFile = true; } else { BeCreateCacheFile = false; Response.Write("由缓存输出<br />"); Response.TransmitFile(RelativePath); } } else { BeCreateCacheFile = true; } } protected override void Render(HtmlTextWriter htmlTextWriter) { if (BeCreateCacheFile) { Response.Write("<span style=\"color:#f00\">写入缓存</span><br />"); StringWriter stringWriter = new StringWriter(); HtmlTextWriter newHtmlTextWriter = new HtmlTextWriter(stringWriter); base.Render(newHtmlTextWriter); string htmlContent = stringWriter.ToString(); lock (this) { using (FileStream stream = File.Create(CachePath)) { byte[] data = System.Text.Encoding.UTF8.GetBytes(htmlContent); stream.Write(data, 0, data.Length); stream.Flush(); stream.Close(); } } stringWriter.Close(); htmlTextWriter.Write(htmlContent); } } }
所有回答(2)
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最好的就是用上面这位兄弟说的先写一个模板， 然后通过模板上的标志替换成相应的数据。
这种最操蛋
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1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Web.UI; 6 using System.Web.UI.WebControls; 7 using System.Text; 8 9 public partial class webControl_hot_news_list : System.Web.UI.UserControl 10 { 11 private string filePath = "../webControl/temp/hot_news_list.ascx"; 12 13 /// <summary> 14 /// 获取导航信息 15 /// </summary> 16 /// <param name="top"></param> 17 /// <returns></returns> 18 protected string GetTopNewsList(int top) 19 { 20 Mydream.BLL.News.NewsBLL newsBLL = new Mydream.BLL.News.NewsBLL(); 21 IList<Mydream.Model.IDValue> list = newsBLL.GetNewslist(top); 22 StringBuilder sb = new StringBuilder(); 23 int i=1; 24 foreach (Mydream.Model.IDValue idValue in list) 25 { 26 sb.Append("<li>"); 27 sb.AppendFormat("<img src=\"images/web/top/p{0}.gif\" alt=\"{0}\" />", i); 28 sb.Append(" "); 29 sb.AppendFormat("<a href=\"news_{0}.html\" title=\"{1}\">{2}</a>", idValue.ID, idValue.Value, Mydream.Common.StrTool.StringUtity.SubStr(idValue.Value, 8, "...")); 30 sb.Append("</li>"); 31 i++; 32 } 33 return sb.ToString(); 34 } 35 36 protected override void Render(HtmlTextWriter writer) 37 { 38 bool Redirect = false; 39 if (Request["File"] == null) { Redirect = true; } 40 Render(writer, filePath, Redirect); 41 } 42 43 /// <summary> 44 /// 生成静态方法 45 /// </summary> 46 /// <param name="writer"></param> 47 /// <param name="filePath"></param> 48 /// <param name="redirect"></param> 49 public void Render(HtmlTextWriter writer, string filePath, bool redirect) 50 { 51 System.IO.StringWriter html = new System.IO.StringWriter(); 52 System.Web.UI.HtmlTextWriter tw = new System.Web.UI.HtmlTextWriter(html); 53 base.Render(tw); 54 System.IO.StreamWriter sw; 55 sw = new System.IO.StreamWriter(Server.MapPath(this.filePath), false, System.Text.Encoding.GetEncoding("utf-8")); 56 sw.Write(html.ToString()); 57 sw.Close(); 58 tw.Close(); 59 } 60 }
（适用）我页面数据不是因为用户而会修改，只会后台管理员修改，导致数据改变就执行一次，这样就避免每次都访问数据库，方法和你的有点像！只不过我是用户自定义控件，总共2个用户自定义控件，一个是绑定数据等待执行，一个是获取执行后的html标签数据，把着html标签数据拉到网页上
