标题：[求助]对应条件开，平仓怎么写

variable:b1=0,b2=0,b3=0,b4=0,b5=0,s1=0,s2=0,s3=0,s4=0,s5=0;
M7:=eMA(C,40);
M6:=eMA(C,30);
M5:=eMA(C,20);
M4:=eMA(C,10);
max74:max(max(max(m4,m5),m6),m7),COLORMAGENTA,linethick2;
j1:ema(c,3);
min74:min(min(min(m4,m5),m6),m7),COLORred,linethick2;
kcw:=1;

//｜｜开多1*********************************｜｜
if holding>=0 && b1=0 && j1>min74 then
begin
b1:=1;
buy(1,kcw,thisclose);
end
//｜｜平多1*********************************｜｜
if HOLDING>0&&b1=1&&j1<min74 then
begin
SELL(1,kcw,THISCLOSE);
b1:=0;
end
//｜｜开空1*********************************｜｜
if holding<=0&&s1=0&&j1<min74 then
begin
s1:=1;
BUYSHORT(1,kcw,thisclose);
end
//｜｜平空1*********************************｜｜
if HOLDING<0&&s1=1&&j1>min74 then
begin
SELLSHORT(1,kcw,THISCLOSE);
s1:=0;
end

//｜｜开多2*********************************｜｜
if holding>=0&&b2=0&&j1>max74 then
begin
b2:=2;
buy(1,kcw,thisclose);
end
//｜｜平多2*********************************｜｜
if HOLDING>0&&b2=2&&j1<max74 then
begin
SELL(1,kcw,THISCLOSE);
b2:=0;
end
//｜｜开空2*********************************｜｜
if holding<=0&&s2=0&&j1<max74 then
begin
s2:=2;
BUYSHORT(1,kcw,thisclose);
end
//｜｜平空2*********************************｜｜
if HOLDING<0&&s2=2&&j1>max74 then
begin
SELLSHORT(1,kcw,THISCLOSE);
s2:=0;
end