复制代码 代码如下:

/// <summary>
/// 分页内容
/// </summary>
/// <param name=\"size\">页面大小</param>
/// <param name=\"count\">页面数量</param>
/// <param name=\"currendIndex\">当前页</param>
/// <param name=\"pattern\">url模式：demo.aspx?page={0}</param>
/// <param name=\"target\">窗口模式</param>
/// <returns></returns>
public static string get_pagenation(int size,
                                    int count,
                                    int currendIndex,
                                    string pattern,
                                    string target)
{
    //1>打开窗口目标
    target = string.IsNullOrEmpty(target) ? \"_top\" : target;
    //2>总页数
    int pageCount = count / size;
    pageCount = pageCount * size == count ? pageCount : pageCount + 1;
    //3>分页内容
    StringBuilder strHtml = new StringBuilder();
    strHtml.Append(\"<span class=\'pagenation\'>\");
 
    #region 首部处理
    if (currendIndex > 1)
    {
        strHtml.AppendFormat(\"<a href=\'1\' target=\'{0}\'>[首页]</a>\", target);
        strHtml.AppendFormat(\"<a href=\'{0}\' target=\'{1}\'>[上一页]</a>\", string.Format(pattern, currendIndex - 1), target);
    }
    else
    {
        strHtml.Append(\"<span class=\'disabled\'>[首页]</span>  <span class=\'disabled\'>[上一页]</span>\");
    }
    #endregion
 
    #region 中间部分
    int i = 1;
 
    int right = (currendIndex + 4) > pageCount ? pageCount : currendIndex + 4;
    if (currendIndex > 6)
    {
        i = currendIndex - 5;
    }
    else
    {
        right = pageCount >= 10 ? 10 : pageCount;
    }
    for (; i <= right; i++)
    {
        if (i == currendIndex)
        {
            strHtml.AppendFormat(\"<font class=\'current\'>{0}</font>\", i);
            strHtml.AppendLine();
            continue;
        }
        strHtml.AppendFormat(\"<a href=\'{0}\' target=\'{1}\'>[{2}]</a>\", string.Format(pattern, i), target, i);
        strHtml.AppendLine();
    }
    #endregion
 
    #region 尾部处理
    if (currendIndex == pageCount)
    {
        strHtml.Append(\"<span class=\'disabled\'>[下一页]</span><span class=\'disabled\'>[末页]</span>\");
        strHtml.AppendFormat(\"总共({0})页\", pageCount);
    }
    else
    {
        strHtml.AppendFormat(\"<a href=\'{0}\' target=\'{1}\'>[下一页]</a>\", string.Format(pattern, currendIndex + 1), target);
        strHtml.AppendFormat(\"<a href=\'{0}\' target=\'{1}\'>[末页]</a>\", string.Format(pattern, pageCount), target);
        strHtml.AppendFormat(\"  <label>总共({0})页</label>\", pageCount);
    }
    #endregion
 
    strHtml.Append(\"</span>\");
 
    return strHtml.ToString();
}