生成静态页操作-优快云博客

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Net;
using System.Text.RegularExpressions;

namespace Zxq.Common
{
     // 郑希强
     // www.cnblogs.com/zhengxiqiang
     // 生成静态页操作
     // 2009.2
     public class ToHtml
    {
         #region 读取模板
         /// <summary>
         /// 读取模板
         /// </summary>
         /// <param name="templateUrl"> 模板地址 </param>
         /// <param name="coding"> 编码 </param>
         /// <returns> 模板内容 </returns>
         public string ReadTemplate( string templateUrl, Encoding code)
        {
             string tlPath = System.Web.HttpContext.Current.Server.MapPath(templateUrl);
            StreamReader sr = null ;
             string str = null ;
             // 读取模板内容
             try
            {
                sr = new StreamReader(tlPath, code);
                str = sr.ReadToEnd();
            }
             catch (Exception ex)
            {
                 throw ex;
            }
             finally
            {
                sr.Close();
            }
             return str;
        }
         #endregion

         #region 生成文件
         /// <summary>
         /// 生成文件
         /// </summary>
         /// <param name="str"> 文件内容 </param>
         /// <param name="htmlFile"> 文件存放地址 </param>
         /// <param name="fileName"> 文件名 </param>
         /// <param name="coding"> 编码 </param>
         /// <returns> 文件名 </returns>
         public bool CreateHtml( string str, string htmlFile, string fileName, Encoding code)
        {
            StreamWriter sw = null ;
             bool a = false ;
             // 写入生成
             try
            {
                htmlFile = System.Web.HttpContext.Current.Server.MapPath(htmlFile);
                 this .FolderCreate(htmlFile);
                sw = new StreamWriter(htmlFile + fileName, false , code);
                sw.Write(str);
                sw.Flush();
                a = FileExists(htmlFile + fileName);
            }
             catch (Exception ex)
            {
                 throw ex;
            }
             finally
            {
                sw.Close();
            }
             return a;
        }
         #endregion

         #region 判断文件是否存在
         /// <summary>
         /// 判断文件是否存在
         /// </summary>
         /// <param name="FilePath"> 文件路径 </param>
         /// <returns></returns>
         public bool FileExists( string FilePath)
        {
             if (System.IO.File.Exists(FilePath))
                 return true ;
             else
                 return false ;
        }
         #endregion

         #region 创建目录
         /// <summary>
         /// 创建目录
         /// </summary>
         /// <param name="Path"></param>
         /// <returns></returns>
         public bool FolderCreate( string Path)
        {
             // 判断目标目录是否存在如果不存在则新建之
             if ( ! FolderExists(Path))
                Directory.CreateDirectory(Path);
             return FolderExists(Path);
        }
         #endregion

         #region 判断目录是否存在
         /// <summary>
         /// 判断目录是否存在
         /// </summary>
         /// <param name="Path"> 路径 </param>
         /// <returns></returns>
         public bool FolderExists( string Path)
        {
             if (Directory.Exists(Path))
                 return true ;
             else
                 return false ;
        }
         #endregion

         #region 静态列表页分页
         /// <summary>
         /// 静态列表页分页
         /// </summary>
         /// <param name="pageCount"> 总页数 </param>
         /// <param name="currentPage"> 当前页 </param>
         /// <param name="prefix"> 如:list </param>
         /// <param name="suffix"> 如:.shtml </param>
         /// <returns></returns>
         public string GetHtmlPager( int pageCount, int currentPage, string prefix, string suffix)
        {
             int stepNum = 4 ;
             int pageRoot = 1 ;
            pageCount = pageCount == 0 ? 1 : pageCount;
            currentPage = currentPage == 0 ? 1 : currentPage;
            StringBuilder sb = new StringBuilder();
            sb.Append( " <ul> " );
            sb.Append( " <li class=pagerTitle> 分页  " + currentPage.ToString() + " / " + pageCount.ToString() + "  </li>\r " );
             if (currentPage - stepNum < 2 )
                pageRoot = 1 ;
             else
                pageRoot = currentPage - stepNum;
             int pageFoot = pageCount;
             if (currentPage + stepNum >= pageCount)
                pageFoot = pageCount;
             else
                pageFoot = currentPage + stepNum;
             if (pageRoot == 1 )
            {
                 if (currentPage > 1 )
                {
                    sb.Append( " <li> <a href=' " + prefix + " 1 " + suffix + " ' title='首页'>首页</a> </li>\r " );
                    sb.Append( " <li> <a href=' " + prefix + Convert.ToString(currentPage - 1 ) + suffix + " ' title='上页'>上页</a> </li>\r " );
                }
            }
             else
            {
                sb.Append( " <li> <a href=' " + prefix + " 1 " + suffix + " ' title='首页'>首页</a> </li> " );
                sb.Append( " <li> <a href=' " + prefix + Convert.ToString(currentPage - 1 ) + suffix + " ' title='上页'>上页</a> </li>\r " );
            }
             for ( int i = pageRoot; i <= pageFoot; i ++ )
            {
                 if (i == currentPage)
                {
                    sb.Append( " <li class='current'>  " + i.ToString() + "  </li>\r " );
                }
                 else
                {
                    sb.Append( " <li> <a href=' " + prefix + i.ToString() + suffix + " ' title='第 " + i.ToString() + " 页'> " + i.ToString() + " </a> </li>\r " );
                }
                 if (i == pageCount)
                     break ;
            }
             if (pageFoot == pageCount)
            {
                 if (pageCount > currentPage)
                {
                    sb.Append( " <li> <a href=' " + prefix + Convert.ToString(currentPage + 1 ) + suffix + " ' title='下页'>下页</a> </li>\r " );
                    sb.Append( " <li> <a href=' " + prefix + pageCount.ToString() + suffix + " ' title='尾页'>尾页</a> </li>\r " );
                }
            }
             else
            {
                sb.Append( " <li> <a href=' " + prefix + Convert.ToString(currentPage + 1 ) + suffix + " ' title='下页'>下页</a> </li>\r " );
                sb.Append( " <li> <a href=' " + prefix + pageCount.ToString() + suffix + " ' title='尾页'>尾页</a> </li>\r " );
            }
            sb.Append( " </ul> " );
             return sb.ToString();
        }
         #endregion

         #region 压缩Html文件
         /// <summary>
         /// 压缩Html文件
         /// </summary>
         /// <param name="html"> Html文件 </param>
         /// <returns></returns>
         public string ZipHtml( string Html)
        {
            Html = Regex.Replace(Html, @" >\s+?< " , " >< " ); // 去除Html中的空白字符.
            Html = Regex.Replace(Html, @" \r\n\s* " , "" );
            Html = Regex.Replace(Html, @" <body([\s|\S]*?)>([\s|\S]*?)</body> " , @" <body$1>$2</body> " , RegexOptions.IgnoreCase);
             return Html;
        }
         #endregion

         #region 从HTML中获取文本,保留br,p,img
         /// <summary>
         /// 从HTML中获取文本,保留br,p,img
         /// </summary>
         /// <param name="Html"> 文本内容 </param>
         /// <returns></returns>
         public string GetTextFromHtml( string Html)
        {
            Regex regEx = new Regex( @" </?(?!br|/?p|img)[^>]*> " , RegexOptions.IgnoreCase);
             return regEx.Replace(Html, "" );
        }
         #endregion
    }
}

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