var curnum = $(".sheet-container").eq($(".fr-sheetbutton-container").index($(".fr-sheetbutton-container-active"))).find("td[id^='A']").length - 2; //获取当前sheetA列单元格个数,并减去前两行,即A3单元格扩展后的个数
var rownum = $(".sheet-container").eq($(".fr-sheetbutton-container").index($(".fr-sheetbutton-container-active"))).find("td[id^='B1']").find("div").html(); //获取当前sheetB1单元格的值
$('#fr-btn-CustomToolBarButton').text("当前页" + curnum + "条数据,共" + rownum + "条数据");