function convertDateFromString(dateString) {
    if (dateString) {
        var date = new Date(dateString.replace(/-/, "/"))
        return date;
    }
}

var a=this.options.form.getWidgetByName("yearsed");
var b=this.options.form.getWidgetByName("endyearsed");
var st =new Date(a.getValue());
var ed = new Date(b.getValue());

if (st>ed) {
    
    FR.Msg.alert("警告", "开始时间要小于结束时间!");
    //FR.Msg.alert("66",a.getValue())
    return false;
}

if (st.getYear()!=ed.getYear()){
    FR.Msg.alert("警告", "开始时间和结束时间要是同一年!");
    return false;
}