function main(spreadsheetReport, isAjaxRefreshCallback) {
var value = spreadsheetReport.getParameterValue("区域"); //获取"区域"参数的值
if (value == '华北') { //若值等于"华北",则设置"产品类型"参数隐藏
spreadsheetReport.paramPanelObj.getParamTagByParamName("产品类别2").style.display = 'none';
} else spreadsheetReport.paramPanelObj.getParamTagByParamName("产品类别2").style.display = '';
}