Web/App_Code/Common.cs

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

/// <summary>
/// Common 的摘要说明
/// </summary>
public class Common
{
    public Common()
    {
        //
        // TODO: 在此处添加构造函数逻辑
        //
    }
    /// <summary>
    /// 获取文本编辑器的数据，并自动上传远程图片
    /// </summary>
    /// <param name="uc">文本编辑器数据</param>
    /// <returns></returns>
    public string GetText(string str)
    {
        string mycontext = Regex.Replace(str, @"src[^>]*[^/].(?:jpg|bmp|gif|png|jpeg|JPG|BMP|GIF|JPEG)(?:\""|\')", new MatchEvaluator(SaveYuanFile));
        
        return mycontext;
    }

   

    private string SaveYuanFile(Match m)
    {
        string imgurl = "";
        string matchstr = m.Value;//str[i].ToString();
        string tempimgurl = "";
        tempimgurl = matchstr.Substring(5);
        tempimgurl = tempimgurl.Substring(0, tempimgurl.IndexOf("\""));

        Regex re = new Regex(@"^http://*");
        if (re.Match(tempimgurl).Success)
        {
            matchstr = matchstr.Substring(5);
            matchstr = matchstr.Substring(0, matchstr.IndexOf("\""));

            //Response.Write(matchstr + "<br>");

            //远程文件保存路径
            string Folders = ConfigurationManager.AppSettings["yuanimg"].ToString();
            string fullname = matchstr;

            string huozui = fullname.Substring(fullname.LastIndexOf("."));
            string filename = Common.GetFileName();