MA1:=MA(CLOSE,5);
MA2:=MA(CLOSE,10);
MA3:=MA(CLOSE,20);
MA4:=MA(CLOSE,60);
K_LINE_BREAK:=MA(CLOSE,30);
CROSS_UP:=CROSS(MA1, MA2);
CROSS_DOWN:=CROSS(MA2, MA1);
DRAWICON(CROSS_UP, LOW, 1);
DRAWICON(CROSS_DOWN, HIGH, 2);
DRAWTEXT(CROSS_UP, LOW, '买入'), COLORRED;
DRAWTEXT(CROSS_DOWN, HIGH, '卖出'), COLORGREEN;
