MVC 实现分页效果

 public static HtmlString ShowPageNavigate(this HtmlHelper htmlHelper, int currentPage, int pageSize, int totalCount)
        {
            var redirectTo = htmlHelper.ViewContext.RequestContext.HttpContext.Request.Url.AbsolutePath;
            pageSize = pageSize == 0 ? 3 : pageSize;
            var totalPages = Math.Max((totalCount + pageSize - 1) / pageSize, 1);//总页数

            var output = new StringBuilder();
            if (totalPages > 1)
            {
                {//处理首页连接
                    output.AppendFormat("<a class=‘pageLink‘ href=‘javascript:void(0)‘ onclick=‘pageShow(\"{0}\",1,{1});‘>首页</a>", redirectTo, pageSize);
                }
                if (currentPage > 1)
                {
                    //处理上一页的连接
                    output.AppendFormat("<a class=‘pageLink‘ href=‘javascript:void(0)‘ onclick=‘pageShow(\"{0}\",{1},{2});‘>上一页</a>", redirectTo, currentPage - 1, pageSize);
                }
                else
                {
                    //output.Append("<span class=‘pageLink‘>上一页</span>");
                }

                output.Append(" ");
                int currint = 5;
                for (int i = 0; i <= 10; i++)
                {
                    if ((currentPage + i - currint) >= 1 && (currentPage + i - currint) <= totalPages)
                    {
                        if (currint == i)
                        {
                            //当前页处理
                            output.AppendFormat("<a class=‘on‘ href=‘javascript:void(0)‘ onclick=‘pageShow(\"{0}\",{1},{2});‘ id=‘oncurentPage‘>{3}</a>", redirectTo, currentPage, pageSize, currentPage);
                        }
                        else
                        {
                            //一般页处理
                            output.AppendFormat("<a class=‘pageLink‘ href=‘javascript:void(0)‘ onclick=‘pageShow(\"{0}\",{1},{2});‘>{3}</a>", redirectTo, currentPage + i - currint, pageSize, currentPage + i - currint);
                        }
                    }
                    output.Append(" ");
                }
                if (currentPage < totalPages)
                {
                    //处理下一页的连接
                    output.AppendFormat("<a class=‘pageLink‘ href=‘javascript:void(0)‘ onclick=‘pageShow(\"{0}\",{1},{2});‘>下一页</a>", redirectTo, currentPage + 1, pageSize);
                }
                else
                {

                }
                output.Append(" ");
                if (currentPage != totalPages)
                {
                    output.AppendFormat("<a class=‘pageLink‘ href=‘javascript:void(0)‘ onclick=‘pageShow(\"{0}\",{1},{2});‘>末页</a>", redirectTo, totalPages, pageSize);
                }
                output.Append(" ");
                output.AppendFormat("第{0}页 / 共{1}页", currentPage, totalPages);
            }
            return new HtmlString(output.ToString());
        }

@model System.Data.DataTable
@{
    Layout = null;
}
<div class="box-frame">
    <h3>
        待办工作</h3>
    <table class="box-frame-table wordlist-table">
        <thead>
            <tr>
                <th>
                    主题
                </th>
                <th width="100">
                    发件人
                </th>
                <th width="130">
                    时间
                </th>
            </tr>
        </thead>
        <tbody>
            @foreach (System.Data.DataRow item in Model.Rows)
            { 
                <tr tag="@item["Dia_Id"]">
                    <td>@item["Pro_Title"]
                    </td>
                    <td>@item["C_aname"]
                    </td>
                    <td>@string.Format("{0:g}", item["Dia_StartTime"])
                    </td>
                </tr>
            }
        </tbody>
    </table>
</div>
<p class="page_nav">
    @Html.ShowPageNavigate(Convert.ToInt32(ViewData["pageIndex"]), Convert.ToInt32(ViewData["pageSize"]), Convert.ToInt32(ViewData["totalCount"]))
</p>
<script type="text/javascript">
    $(‘.wordlist-table tr‘).bind(‘click‘, function (event) {
        window.location.href = "#test/todo";
        analyseUrl("#test/todo");
    });
</script>
</body> </html> 

        int pageIndex = 1;//当前页
        int pageSize = 3;//每页显示条数 
 public ActionResult ToDoInfoList()
        {
            c_addressbook m_addressbook = Common.ReadCookie();
            if (m_addressbook != null)
            {
                int.TryParse(Request.QueryString["pageIndex"], out pageIndex);
                if (pageIndex == 0)
                    pageIndex = 1;
                string sqlCount = "select Dia_Id,pc_process.Pro_Title,pc_process.Pro_Sender,c_addressbook.C_aname,pc_dialog.Dia_StartTime from pc_dialog LEFT JOIN pc_process ON pc_dialog.Pro_Id =pc_process.Pro_id LEFT JOIN c_addressbook ON pc_process.Pro_Sender=c_addressbook.C_aid where pc_dialog.Dia_Manager=@manager and pc_dialog.Dia_State=-1";
                string sql = "select Dia_Id,pc_process.Pro_Title,pc_process.Pro_Sender,c_addressbook.C_aname,pc_dialog.Dia_StartTime from pc_dialog LEFT JOIN pc_process ON pc_dialog.Pro_Id =pc_process.Pro_id LEFT JOIN c_addressbook ON pc_process.Pro_Sender=c_addressbook.C_aid where pc_dialog.Dia_Manager=@manager and pc_dialog.Dia_State=-1 order by Dia_StartTime desc LIMIT " + (pageIndex - 1) * pageSize + "," + pageSize + "";
                MySqlParameter[] pars = new MySqlParameter[]{
                new MySqlParameter("@manager",m_addressbook.C_aid)
                };

                int totalCount = PM.DBUtility.DbHelperMySQL.Query(sqlCount, pars).Tables[0].Rows.Count;
                int pageCount = Convert.ToInt32(Math.Ceiling((double)totalCount / pageSize));//总页数                
                if (pageIndex < 1)
                    pageIndex = 1;
                else if (pageIndex > pageCount)
                    pageIndex = pageCount;
                var newPage = PM.DBUtility.DbHelperMySQL.Query(sql, pars).Tables[0];
                if (newPage.Rows.Count != 0)
                {
                    ViewData.Model = newPage;
                    ViewData["pageCount"] = pageCount;
                    ViewData["pageIndex"] = pageIndex;
                    ViewData["pageSize"] = pageSize;
                    ViewData["totalCount"] = totalCount;
                }

                ViewData.Model = newPage;
            }


            return View();
        }