分页控件layui的使用

　　 //内容页面    
　　 <div id="notice_div"></div>
　　 //分页控件
    <div id="notice_pages"></div>
    <script>
        var roolurl = "http://" + window.location.host;
        var urlAshx = roolurl + "/aa/Ashx/NoticeInfo.ashx";
        //var pages = 0;
        //获取分页好的公告内容
        function GetNoticeList(curr, cid) {
            $.getJSON(urlAshx,
                {//参数
                    action: "notice_action",
                    courseid: cid,
                    page: curr || 1,//向服务端传的参数，此处只是演示
                    nums: 3//每页显示的条数
                }, function (datajson) {//成功执行的方法
　　　　　　　　　　　 if (datajson != null && typeof (datajson) == "string" && datajson.length > 0) { 
　　　　　　　　　　　　　　try { datajson = JSON.parse(datajson); } catch (e) { datajson = eval("(" + datajson + ")"); } }
                    
                        var norice_content = "";
                        //alert(datajson.pages);
                        $(datajson.rows).each(function (n, Row) {
                            norice_content += "  <div class='panel panel-default'>";
                            norice_content += "      <div class='panel-heading'>";
                            norice_content += "          <h3 class='panel-title'>";
                            norice_content += Row.CreateDate;
                            norice_content += "                        ";
                            norice_content += Row.Creater;
                            norice_content += "          </h3>";
                            norice_content += "      </div>";
                            norice_content += "      <div class='panel-body'>";
                            norice_content += Row.NoticeContent;
                            norice_content += "      </div>";
                            norice_content += "  </div>";
                        });
                        $('#notice_div').html(norice_content);

                        //alert(11);
                        //调用分页
                        laypage({
                            cont: 'notice_pages',//容器。值支持id名、原生dom对象，jquery对象。【如该容器为】：<div id="page1"></div>
                            pages: datajson.pages,//总页数
                            groups: 5, //连续显示分页数
                            skip: false, //是否开启跳页
                            skin: '#AF0000',
                            curr: curr || 1, //当前页,
                            jump: function (obj, first) {//触发分页后的回调
                                if (!first) {//点击跳页触发函数自身，并传递当前页：obj.curr
                                    GetNoticeList(obj.curr, cid);
                                }
                            }
                        });
                });
        }
        $(document).ready(function () {
            GetNoticeList(0, '<%=_courseid%>')
        });
    </script>

private string GetNewsByPage(HttpContext context)
{
    #region //分页 算法
    int page = 0;
    int.TryParse(context.Request.Params["page"], out page);//当前第几页
    int nums = 0;
    int.TryParse(context.Request.Params["nums"], out nums);//每页显示几条数据
    int StartIndex = (page - 1) * nums + 1;
    int EndIndex = page * nums;
    #endregion
    
    //StringBuilder strWhere = new StringBuilder();
    #region // 拼Sql Where 条件
    
    #endregion


    int total = 0;
    DataTable dt = bll_News.GetListByPage("", "postdate", StartIndex, EndIndex);
    total = bll_News.GetRecordCount("");
    string strjosn = AppCode.DataTableConvertJson.DataTableToJson(dt);
    int pages = Convert.ToInt32(Math.Ceiling((double)total / (double)nums)); // 页数
    return "{\"total\":" + total + ",\"pages\":" + pages + ",\"rows\":" + strjosn + "}";
}