生成静态页核心代码

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

namespace Zxq.Common
{
    
//生成静态页操作
    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>&nbsp;分页&nbsp;" + currentPage.ToString() + "/" + pageCount.ToString() + "&nbsp;</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>&nbsp;<a href='" + prefix + "1" + suffix + "' title='首页'>首页</a>&nbsp;</li>\r");
                    sb.Append(
"<li>&nbsp;<a href='" + prefix + Convert.ToString(currentPage - 1+ suffix + "' title='上页'>上页</a>&nbsp;</li>\r");
                }
            }
            
else
            {
                sb.Append(
"<li>&nbsp;<a href='" + prefix + "1" + suffix + "' title='首页'>首页</a>&nbsp;</li>");
                sb.Append(
"<li>&nbsp;<a href='" + prefix + Convert.ToString(currentPage - 1+ suffix + "' title='上页'>上页</a>&nbsp;</li>\r");
            }
            
for (int i = pageRoot; i <= pageFoot; i++)
            {
                
if (i == currentPage)
                {
                    sb.Append(
"<li class='current'>&nbsp;" + i.ToString() + "&nbsp;</li>\r");
                }
                
else
                {
                    sb.Append(
"<li>&nbsp;<a href='" + prefix + i.ToString() + suffix + "' title='第" + i.ToString() + "页'>" + i.ToString() + "</a>&nbsp;</li>\r");
                }
                
if (i == pageCount)
                    
break;
            }
            
if (pageFoot == pageCount)
            {
                
if (pageCount > currentPage)
                {
                    sb.Append(
"<li>&nbsp;<a href='" + prefix + Convert.ToString(currentPage + 1+ suffix + "' title='下页'>下页</a>&nbsp;</li>\r");
                    sb.Append(
"<li>&nbsp;<a href='" + prefix + pageCount.ToString() + suffix + "' title='尾页'>尾页</a>&nbsp;</li>\r");
                }
            }
            
else
            {
                sb.Append(
"<li>&nbsp;<a href='" + prefix + Convert.ToString(currentPage + 1+ suffix + "' title='下页'>下页</a>&nbsp;</li>\r");
                sb.Append(
"<li>&nbsp;<a href='" + prefix + pageCount.ToString() + suffix + "' title='尾页'>尾页</a>&nbsp;</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
    }
}
posted @ 2009-07-06 12:46 TONYBINLJ 阅读(...) 评论(...) 编辑 收藏