主题：[求助]

{A上穿B，平空一手，同时开多一手，
A上穿D，平空一手，同时开多一手
B上穿D，平空一手，同时开多一手
A下穿B，平多一手，同时开空一手
A下穿D，平多一手，同时开空一手
B下穿D，平多一手，同时开空一手
}
INPUT:M1(10,1,100,5);
INPUT:N1(30,1,100,5);
INPUT:P1(60,1,100,5);
A:MA(c,M1);
B:MA(c,N1);
D:MA(c,P1);
variable:n=0,m=0,k=0;
variable:p=0,q=0,t=0;
if n=1 and m=1 and k=1 and (cross(b,a) or cross(d,a) or cross(d,b)) then begin
 sell(1,0,market); 
end

if p=1 and q=1 and t=1 and (cross(a,b) or cross(a,d) or cross(b,d)) then begin
 sellshort(1,0,market); 
end
if n=0 and cross(a,b) and holding>=0 then begin
    buy(1,1,market);
    n:=1;
    p:=0;
end
if m=0 and cross(a,d) and holding>=0 then begin
    buy(1,1,market);
    m:=1;
    q:=0;
end
if k=0 and cross(b,d) and holding>=0 then begin
    buy(1,1,market);
    k:=1;
    t:=0;
end

if p=0 and cross(b,a) and holding<=0 then begin
    buyshort(1,1,market);
    p:=1;
    n:=0;
end
if q=0 and cross(d,a) and holding<=0 then begin
    buyshort(1,1,market);
    q:=1;
    m:=0;
end
if t=0 and cross(d,b)  and holding<=0 then begin
    buyshort(1,1,market);
    t:=1;
    k:=0;
end

用6个变量来记录6种上下穿的状态，穿一次下次单然后改变变量数值，反手开仓时改变对应的值