jquery动态获取数据分页

function GetMoreInfo() {
    var winH = $(window).height(); //页面可视区域高度
    var i = 1;
    var s = "1";
    $(window).scroll(function () {
        var pageH = $(document.body).height();
        var scrollT = $(window).scrollTop(); //滚动条top
        var aa = (pageH - winH - scrollT) / winH;
        //alert(aa);
        if (aa < 0&&s=="1") {
            i++;
            $.getJSON("/GetInfoApi", { page: i }, function (json) {
                //alert(json);
                if (json == "[]") {
                    s = "0";
                }
                if (json) {
                    var str = "";
                    $.each(JSON.parse(json), function (index, array) {
                        var product = "延误2小时赔付300元";
                        if (array.Product == "") {
                            product = "延误2小时赔付300元";
                        }
                        else {
                            product = "延误";
                        }
                        var str = "";
                        $("#divLstModel").append(str);

                        percentsByClass(array.ID);
                    });
                } else {
                    //$(".nodata").show().html("别滚动了，已经到底了。。。");
                    return false;
                }

            });
        }
    });

}