$("#pager").pager({
    pagenumber: pageIndex,
    pagecount: pageCount,
    buttonClickCallback: function (pageclickednumber) {
        loadPagination(pageclickednumber);
    }
});
function loadPagination(pageNum) {
    jQuery.ajax({
        type: "POST",
        url: baseUrl + "/interface.json",
        dataType: "json",
        data: postData,
        beforeSend: function () {
            $.modal.on("loading");
        },
        success: function (data) {
            //代码区
        }
    }
}