主题：请帮忙看看错在哪里

 我在mt4中编了一下缠论分笔的公式，拿到金字塔来，改了一下格式，为什么通不过呢。把前一段公式的代码贴在下面。请朋友们帮忙看看，有啥问题。本人刚刚接触金字塔。

 

 Highxiu:=high;

 Lowxiu:=low;

 IF NOT(ISLASTBAR) THEN EXIT; //为了加快运算速度，只有最后一个周期时才循环计算

 for Shi=1 to datacount do

  begin

      if Shi>=1 and xiangbao==0 then

        begin         

          if (Highxiu[Shi]>Highxiu[Shi-1] and Lowxiu[Shi]>Lowxiu[Shi-1]) then xiangbao:=1;

          if (Highxiu[Shi]<Highxiu[Shi-1] and Lowxiu[Shi]<Lowxiu[Shi-1]) then  xiangbao:=-1;

        end

      if xiangbao==1 then

        begin

          if Highxiu[Shi]>=Highxiu[Shi-1] and Lowxiu[Shi]<Lowxiu[Shi-1] then 

           begin

             Lowxiu[Shi]:=Lowxiu[Shi-1];

           end

          if Highxiu[Shi]<Highxiu[Shi-1] and Lowxiu[Shi]>=Lowxiu[Shi-1] then

            begin

             Highxiu[Shi]:=Highxiu[Shi-1];

            end

          if Highxiu[Shi]<Highxiu[Shi-1] and Lowxiu[Shi]<Lowxiu[Shi-1] then

            begin

              xiangbao:=-1;

            end

         end

      if xiangbao==-1 then

        begin

          if Highxiu[Shi]>Highxiu[Shi-1] and Lowxiu[Shi]<=Lowxiu[Shi-1] then

            begin

             Highxiu[Shi]:=Highxiu[Shi-1];

            end

          if Highxiu[Shi]<=Highxiu[Shi-1] and Lowxiu[Shi]>Lowxiu[Shi-1] then

            begin

             Lowxiu[Shi]:=Lowxiu[Shi-1];

            end

          if Highxiu[Shi]>Highxiu[Shi-1] and Lowxiu[Shi]>Lowxiu[Shi-1] then

            begin

              xiangbao:=1;

            end

         end

   end         //结束循环

 

测试的时候报错  第八行 无法识别的算数表达式。

(1)判断一个变量是否为0,不是双=号,一个就够了,如   xiangbao=0

 

(2)你这里的xiangbao需要设置为全局变量,

详细请参考:  http://www.weistock.com/bbs/dispbbs.asp?boardid=4&Id=332  问题1