求期货公式，

1. 求期货公式，

效果图
普通买卖（委买、委卖、委净）-指标公式源码
 
t1:=(ORDERVOL(1,0)-ORDERVOL(1,2));
t2:=-(ORDERVOL(2,0)-ORDERVOL(2,2));
t3:=(TRANSACTVOL(1,0)-TRANSACTVOL(1,2));
t4:=-(TRANSACTVOL(2,0)-TRANSACTVOL(2,2));
委买:(ORDERVOL(1,0)-ORDERVOL(1,2)),COLOR0000AA,LINETHICK0,PRECIS0;
委卖:(ORDERVOL(2,0)-ORDERVOL(2,2)),COLOR00AA00,LINETHICK0,PRECIS0;
委净:委买-委卖,COLOR00ffff,PRECIS0,LAYER0,LINETHICK0;;
主买:(TRANSACTVOL(1,0)-TRANSACTVOL(1,2)),COLOR0000ff,LINETHICK0,PRECIS0;
主卖:(TRANSACTVOL(2,0)-TRANSACTVOL(2,2)),COLOR00ff00,LINETHICK0,PRECIS0;
主净:主买-主卖,COLORff0000,PRECIS0,LAYER0,LINETHICK0;;
委托总买:sum((ORDERVOL(1,0)-ORDERVOL(1,2)),0),COLOR0000ff,LINETHICK0,PRECIS0;
委托总卖:sum((ORDERVOL(2,0)-ORDERVOL(2,2)),0),COLOR00ff00,LINETHICK0,PRECIS0;
主动总买:sum((TRANSACTVOL(1,0)-TRANSACTVOL(1,2)),0),COLOR0000ff,LINETHICK0,PRECIS0;
主动总卖:sum((TRANSACTVOL(2,0)-TRANSACTVOL(2,2)),0),COLOR00ff00,LINETHICK0,PRECIS0;
STICKLINE(t1>=0,0,t1,6,0),COLOR000055;
STICKLINE(t2<0,0,t2,6,0),COLOR005500;
STICKLINE(t3>0,0,t3,3,0),COLOR0000ff;