lib/excel.js
function hasTAB(excelobj, tabname) {
    for (let ii = 0; ii < excelobj.length; ++ii) {
        if (excelobj[ii].name == tabname) {
            return true;
        }
    }

    return false;
}
function hasTAB(excelobj, tabname) {
    for (let ii = 0; ii < excelobj.length; ++ii) {
        if (excelobj[ii].name == tabname) {
            return true;
        }
    }

    return false;
}
判断是否有TAB页