主题：CON2STR怎样改？谢谢

请提供函数的说明。

成交额:=V*C/100,NODRAW;{万元}
A2:=SUM((IF(((成交额/8>20) AND (CLOSE>(REF(CLOSE,1)))),成交额,0)),0);
A3:=SUM((IF(((成交额/8>20) AND (CLOSE<(REF(CLOSE,1)))),成交额,0)),0);
A4:=SUM((IF(((成交额/8<20) AND (CLOSE>(REF(CLOSE,1)))),成交额,0)),0);
A5:=SUM((IF(((成交额/8<20) AND (CLOSE<(REF(CLOSE,1)))),成交额,0)),0);
A6:=((A2+A3)+A4)+A5;
A7:=IF((ISLASTBAR),((100*A2)/A6),0);
A8:=IF((ISLASTBAR),((100*A3)/A6),0);
A9:=IF((ISLASTBAR),((100*A4)/A6),0);
A10:=IF((ISLASTBAR),((100*A5)/A6),0);
大鳄买:(A2),LINETHICK6,COLORRED;
刘氏鱼卖:(A3),LINETHICK6,COLORFFFF55;
大单进出:=大鳄买-刘氏鱼卖,NODRAW;
青蛙买:(A4),COLOR5555FF;{细红线}
武大郎卖:(A5),COLOR55FF55;{细绿线}
强势:=((100*A2)/A6>50);
STICKLINE(强势,大鳄买*1.02,大鳄买*1.1,1,0),COLORYELLOW;
拉升:=((100*A2)/A6-(100*A3)/A6)>18 AND (100*A2)/A6-(100*A5)/A6>18;
STICKLINE(拉升,大鳄买*1.1,大鳄买*1.2,1,0),COLORFF00FF;
DRAWTEXT(ISLASTBAR=1,大鳄买*0.95,'●大鳄买'),LINETHICK2,COLORRED;
DRAWTEXT(ISLASTBAR=1,刘氏鱼卖*0.95,'○刘氏鱼卖'),LINETHICK2,COLORFFFF55;
DRAWTEXT(大单进出>0 AND REF(大单进出,1)<=0,大鳄买*1.02,'●大鳄买'),COLORRED;
DRAWTEXT(大单进出<0 AND REF(大单进出,1)>=0,大鳄买*0.98,'○刘氏鱼 卖'),COLORFFFF55;
AAA1:=STRCAT(STRCAT('大鳄买',numtostr((100*A2)/A6,0)),'%%');
AAA2:=STRCAT(STRCAT('刘氏鱼卖',numtostr((100*A3)/A6,0)),'%%');
AAA3:=STRCAT(STRCAT('青蛙买',numtostr((100*A4)/A6,0)),'%%');
AAA4:=STRCAT(STRCAT('武大郎卖',numtostr((100*A5)/A6,0)),'%%');
DRAWTEXT(1,0,0.02,0,AAA1),COLORRED;
DRAWTEXT(1,0,0.13,0,AAA2),COLORFFFF55;
DRAWTEXT(1,0,0.24,0,AAA3),COLOR5555FF;
DRAWTEXT(1,0,0.35,0,AAA4),COLOR55FF55;