板块节点

Params//此处添加参数Numeric choosedate(20200102);//选股日期Numeric beginTime(20190101.090000);//开始时间String dicname1("F1010010006"); //板块节点（科创板）string base1("stocktrade");//股票池存储标志的块名String name1("choosecode"); //股票池存储标志的键名String freq1("1d");//选股周期String freq2("5m");//交易周期Numeric hllen(20);//波段参数Vars//此处添加变量Global String myfreq;//数据周期Global Integer i(0); //循环变量Global Integer n;//股票池个数Global Array<String> myArray; //股票池代码Global Array<String> subarray;//子股票池代码Global Array<Numeric> zdf;//涨跌幅Global Array<Integer> id1;//数组下标Global Array<Integer> id2;//数组下标Series<Numeric> highline;//高点通道Series<Numeric> lowline; //低点通道Global string choosecode;//选股时间Global string dicsymbol;//基础数据关联标的Global string dicname; //基础数据的键名Defs//写文件函数的定义Integer LogFile(String str){FileAppend("d://"+FormulaName()+".tbf","["+Text(SystemDateTime())+"] "+ str);Return 0;}EventsOnInit(){//从数据库读取子股票池是否有选好的标志 无效值则没有选好，choosedone则表示选好了choosecode=GetTBProfileString(base1,name1);LogFile("begin...choosecode="+choosecode);//根据股票池是否确立，确定行情订阅if(choosecode==InvalidString){FileDelete("d://"+FormulaName()+".txt");LogFile("init1...choosecode="+choosecode);myfreq=freq1;dicsymbol=dicname1;dicname="TB_INDUSTRY";}Else{myfreq=freq2;dicsymbol="myindustry";dicname="001";}GetDicValue(dicname,dicsymbol,SystemDateTime(),myArray);n=GetArraySize(myArray);LogFile("myArray="+TextArray(myArray));//订阅行情For i=0 To n-1{//加载所有成分合约到图层SubscribeBar(myArray[i],myfreq,beginTime);}SetBackBarMaxCount(1);//SetInitCapital(20000000);}OnBar(ArrayRef<Integer> indexs){//选股if(choosecode==InvalidString){//涨跌幅排序筛选股票if(date==choosedate){//涨跌幅排序选取跌幅前三名作为股票池Range[i=0:n-1]{zdf[i]=Close/Open-1;id1[i]=i;id2[i]=i;}SortIds(zdf,id1,id2,0,n-1,True);for i=0 to 2{subarray[i]=myArray[id1[i]];}LogFile("subarray="+TextArray(subarray));SetDicValue("001","myindustry",SystemDateTime(),subarray,True);LogFile("subarray write done!");SetTBProfileString(base1,name1,"choosedone!");ReStart;}}Else //波段交易{Range[0:n-1]{if(MarketPosition<>1 and High>=highline)Buy(200,Open);If(MarketPosition==1 and DateDiff(entrydate,Date)>0 and Low<=lowline)Sell(0,Open);}}}这是示例代码，我想问下1.板块节点如何查询？比如我想要上证50，那么上证50的代码是什么？2.块名和键名是什么？