评论:
//@version=4
study(title="Exponential Moving Averages", shorttitle="Ivan_EMAs_Flow", overlay=true)

//定义均线流的各个参数参数

len1 = input(2, minval=1)
len2 = input(3, minval=1)
len3 = input(5, minval=1)

len4 = input(10, minval=1)
len5 = input(20, minval=1)
len6 = input(50, minval=1)

len7 = input(90, minval=1)
len8 = input(120, minval=1)
// len9 = input(120, minval=1)
// len10 = input(150, minval=1)
// len11 = input(180, minval=1)
// len12 = input(200, minval=1)
// len13 = input(300, minval=1)


src = input(close, title="Source")

e1 = ema(src, len1)
e2 = ema(src, len2)
e3 = ema(src, len3)
e4 = ema(src, len4)
e5 = ema(src, len5)
e6 = ema(src, len6)
e7 = ema(src, len7)
e8 = ema(src, len8)
// e9 = ema(src, len9)
// e10 = ema(src, len10)
// e11 = ema(src, len11)
// e12 = ema(src, len12)
// e13 = ema(src, len13)


//绘制均线流
//plot(close, color=color.white)
plot(e1, color=color.red, title="EMA2", linewidth=2)
plot(e2, color=color.orange, title="EMA3", linewidth=2)
plot(e3, color=color.yellow, title="EMA5", linewidth=2)
plot(e4, color=color.green, title="EMA10", linewidth=2)
plot(e5, color=color.blue, title="EMA20", linewidth=2)
plot(e6, color=color.aqua, title="EMA50", linewidth=2)
plot(e7, color=color.purple, title="EMA90", linewidth=2)
plot(e8, color=color.silver, title="EMA120", linewidth=2)