getSzPagingInfo = function getSzPagingInfo(html){

    let $    = cheerio.load(html, { decodeEntities:false });
    let text = _.trim($('td[colspan="12"]',this).text());
    if(text === MSG.NO_DATA_FROM_SZ){ return { totalPg: 0, totalCount: 0 }; }

    let nextFn = $('input.cls-navigate-next', this).attr('onclick')||'';
    let prevFn = $('input.cls-navigate-prev', this).attr('onclick')||'';
    if(!nextFn && !prevFn) { return { totalPg:1, totalCount: $('tr.cls-data-tr', this).length }; }

    // gotoReportPageNo('1801_nm','tab1',2,584,11670)
    global.gotoReportPageNo = (mkt, id, nIdx, totalPg, totalCount) => ({totalPg, totalCount});

    let pgInfo = vm.runInThisContext(nextFn||prevFn);

    return pgInfo;
}
Get total trading count of sz market from html segment.
@param  {String} html Html string
@return {Object}      Promise of total trading count.