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ASP.NET擷取遠程網頁下載到本地檔案,通過URL產生靜態檔案的做法

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上載者：User
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TestWeb.aspx.cs 後台檔案

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Net;
using System.IO;
using System.Text;

public partial class TestWeb : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }/// <summary>
    /// 產生網頁檔案
    /// </summary>
    /// <param name="url">遠程URL</param>
    /// <param name="filename">組建檔案名路徑</param>
    /// <param name="pagecode">目標URL頁面編碼</param>
    protected void DownUrltoFile(string url, string filename, string pagecode)
    {
        try
        {
            //編碼
            Encoding encode = Encoding.GetEncoding(pagecode);
            //請求URL
            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
            //設定逾時(10秒)
            req.Timeout = 10000;
            this.NotFolderIsCreate(filename);
            //擷取Response
            HttpWebResponse rep = (HttpWebResponse)req.GetResponse();
            //建立StreamReader與StreamWriter檔案流對象
            StreamReader sr = new StreamReader(rep.GetResponseStream(), encode);
            StreamWriter sw = new StreamWriter(Server.MapPath(filename), false, encode);
            //寫入內容
            sw.Write(sr.ReadToEnd());
            //清理當前緩衝區，並將緩衝寫入檔案
            sw.Flush();
            //釋放相關對象資源
            sw.Close();
            sw.Dispose();
            sr.Close();
            sr.Dispose();
            Response.Write("組建檔案" + filename + "成功");
        }
        catch (Exception ex)
        {
            Response.Write("組建檔案" + filename + "失敗，原因：" + ex.Message);
        }
    }
    /// <summary>
    /// 檔案夾不存在則建立
    /// </summary>
    /// <param name="filename">檔案名稱所在路徑</param>
    protected void NotFolderIsCreate(string filename)
    {
        string fileAtDir = Server.MapPath(Path.GetDirectoryName(filename));
        if (!Directory.Exists(fileAtDir))
            Directory.CreateDirectory(fileAtDir);
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string txtStr = this.TextBox1.Text.ToString();
        string rolName = System.Guid.NewGuid().ToString();
        this.DownUrltoFile("" + txtStr + "", "html/" + rolName + ".htm", "GB2312");

    }
}

 

TestWeb.aspx前台檔案

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="TestWeb.aspx.cs" Inherits="TestWeb" %>

<!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 runat="server">
    <title>無標題頁</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
   
    </div>
    <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />
    <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
    </form>
</body>
</html>

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