var startdate=this.options.form.getWidgetByName("开始日期").getValue();

var enddate=this.options.form.getWidgetByName("结束日期").getValue();

var bm=this.options.form.getWidgetByName("citycode").getValue();//复选框

var url = ("${servletURL}?viewlet=GettingStarted.cpt");//报表路径和名称。你自己改

var config={

startdate:startdate,

enddate:enddate,

city_code:bm,

format:"excel",

extype:"simple",

__filename__:startdate//自定义导出的文件名称以时间为文件名，你自己去修改

};

FR.doHyperlinkByPost(url,config);