asp.net 长文章通过设定的行数分页

复制代码 代码如下:

  public string OutputByLine(string strContent)//通过设定的行数分页

  {

  int pageSize = int.Parse(ConfigurationManager.AppSettings["pageSize"]);//每页显示行数从CONFIG文件中取出

  string lineBreak = ConfigurationManager.AppSettings["lineBreak"];//换行符从CONFIG文件中取出

  string lineBreakS = "<" + lineBreak + ">";

  string lineBreakE = "</" +lineBreak+">";

  strContent = strContent.Replace("\r\n", "");

  string[] strLined = strContent.Split(new string[] {lineBreakS, lineBreakE }, StringSplitOptions.RemoveEmptyEntries);//以DIV为换行符

  int pageCount = strLined.Length / pageSize;

  int pageCountPlus = strLined.Length % pageSize == 0 ? 0 : 1;//非满页

  pageCount = pageCount + pageCountPlus;//总页数

  int currentPage = 1;//当前页码

  string displayText = null;

  if (Request.QueryString["pageIndex"]!=null) //获取翻页页码

  {

  currentPage = Convert.ToInt32(Request.QueryString["pageIndex"].ToString());

  }

  string pageInfo = "";//页数信息

  for (int i = 1; i < pageCount+1; i++)

  {

  if (i==currentPage)

  {

  pageInfo += " 第" + i + "页";

  if (pageCount>1)

  {

  pageInfo += " | ";

  }

  }

  else

  {

  pageInfo += string.Format("<a href='newshow.aspx?pageIndex={0}' title='翻到第{0}页'>{0} | </a>",i);

  }

  }

  labPageNumber.Text = pageInfo;

  for (int i = (currentPage-1)*pageSize; i < currentPage*pageSize&&i<strLined.Length; i++)

  {

  displayText += "<div>" + strLined[i] + "</div>";

  }

  return displayText;

  }