ASP.NET长文章分页显示函数

来源:互联网 发布:域名注册好了怎么备案 编辑:程序博客网 时间:2024/04/28 16:09
public string NoHTML(string Htmlstring) //去除HTML标记     {         //删除脚本         Htmlstring = Regex.Replace(Htmlstring, @" <script[^>]*?>.*? </script>", "", RegexOptions.IgnoreCase);         //删除HTML         Htmlstring = Regex.Replace(Htmlstring, @" <(.[^>]*)>", "", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @"([\r\n])[\s]+", "", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @"-->", "", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @" <!--.*", "", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @"&(quot|#34);", "\"", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @"&(amp|#38);", "&", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @"&(lt|#60);", " <", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @"&(gt|#62);", ">", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @"&(nbsp|#160);", " ", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @"&(iexcl|#161);", "\xa1", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @"&(cent|#162);", "\xa2", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @"&(pound|#163);", "\xa3", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @"&(copy|#169);", "\xa9", RegexOptions.IgnoreCase);         Htmlstring = Regex.Replace(Htmlstring, @"&#(\d+);", "", RegexOptions.IgnoreCase);         Htmlstring.Replace(" <", "");         Htmlstring.Replace(">", "");         Htmlstring.Replace("\r\n", "");         Htmlstring = HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim();         return Htmlstring;     }   public string OutputBySize(string p_strContent)//分页函数     {         string m_strRet = "";         int m_intPageSize = 2500;//文章每页大小         int m_intCurrentPage = 1;//设置第一页为初始页         int m_intTotalPage = 0;         int m_intArticlelength = NoHTML(p_strContent).Length;//文章长度         if (m_intPageSize < m_intArticlelength)         {//如果每页大小大于文章长度时就不用分页了             if (m_intArticlelength % m_intPageSize == 0)             {//set total pages count                 m_intTotalPage = m_intArticlelength / m_intPageSize;             }             else             {//if the totalsize                 m_intTotalPage = m_intArticlelength / m_intPageSize + 1;             }             if (Request.QueryString["pages"] != null)             {//set Current page number                 try                 {//处理不正常的地址栏的值                     m_intCurrentPage = Convert.ToInt32(Request.QueryString["pages"]);                     if (m_intCurrentPage > m_intTotalPage)                                           m_intCurrentPage = m_intTotalPage;                                   }                 catch                 {                     m_intCurrentPage = m_intCurrentPage;                 }             }             //set the page content 设置获取当前页的大小             if (m_intCurrentPage < m_intTotalPage)             {                 m_intPageSize = m_intCurrentPage < m_intTotalPage ? m_intPageSize : (m_intArticlelength - m_intPageSize * (m_intCurrentPage - 1));                 m_strRet += p_strContent.Substring(m_intPageSize * (m_intCurrentPage - 1), m_intPageSize);             }             else if(m_intCurrentPage == m_intTotalPage )             {                 int mm_intPageSize=m_intArticlelength - m_intPageSize * (m_intCurrentPage - 1);                 m_strRet += p_strContent.Substring(m_intArticlelength - mm_intPageSize);             }                     string m_strPageInfo = " <p> </p>";             for (int i = 1; i <= m_intTotalPage; i++)             {                 if (i == m_intCurrentPage)                     m_strPageInfo += "第" + i + "页 | ";                 else                     m_strPageInfo += " <a href=news_id" + Request.QueryString["wzid"] + "_pages" + i + ".html>" + i + " </a>|";             }             //输出显示各个页码             this.labPageNumber.Text = m_strPageInfo;         }         else         {             m_strRet += p_strContent;         }         return m_strRet;     }     protected void Page_Load(object sender, EventArgs e)     {   SqlDataReader dr = shuju.duquzt(Int32.Parse(Request.QueryString["wzid"]));         if (dr == null) return;         if (dr.Read())         {             this.labContent.Text = OutputBySize(dr["wzcontent"].ToString());//调用该函数 ... 前台页面分页处使用的控件: <asp:Label ID="labPageNumber"    Font-Size="14px" runat="server"> </asp:Label> 

 
原创粉丝点击