提醒不在学习中工作

Question

研究应该是这样的：当绿色标记出现时，用户应该走多远。当出现黄色标记时，用户应该缩短。

用户应该有效地添加一个指示符，指示两个方案，并在TradingView中集成警报系统。

我已经尝试了所有东西，但没有任何工作。该研究可在以下链接中找到：

https://www.tradingview.com/script/0iOn1qOZ-Vdub-fx-sniper-strategy-with-alerts/

//@version=2
study("Vdub fx sniper strategy", overlay = true)
// === INPUT BACKTEST RANGE ===
FromMonth = input(defval = 4, title = "From Month", minval = 1, maxval = 12)
FromDay   = input(defval = 20, title = "From Day", minval = 1, maxval = 31)
FromYear  = input(defval = 2018, title = "From Year", minval = 2016)
ToMonth   = input(defval = 1, title = "To Month", minval = 1, maxval = 12)
ToDay     = input(defval = 1, title = "To Day", minval = 1, maxval = 31)
ToYear    = input(defval = 9999, title = "To Year", minval = 2016)

// === FUNCTION EXAMPLE ===
start     = timestamp(FromYear, FromMonth, FromDay, 00, 00)  // backtest start window
finish    = timestamp(ToYear, ToMonth, ToDay, 23, 59)        // backtest finish window
window()  => time >= start and time <= finish ? true : false // create function "within window of time"

//Candle body resistance Channel-----------------------------//
len = 34
src = input(close, title="Candle body resistance Channel")
out = sma(src, len)
last8h = highest(close, 13)
lastl8 = lowest(close, 13)
bearish = cross(close,out) == 1 and falling(close, 1)
bullish = cross(close,out) == 1 and rising(close, 1)
channel2=input(false, title="Bar Channel On/Off")
ul2=plot(channel2?last8h:last8h==nz(last8h[1])?last8h:na, color=black, linewidth=1, style=linebr, title="Candle body resistance level top", offset=0)
ll2=plot(channel2?lastl8:lastl8==nz(lastl8[1])?lastl8:na, color=black, linewidth=1, style=linebr, title="Candle body resistance level bottom", offset=0)
//fill(ul2, ll2, color=black, transp=95, title="Candle body resistance Channel")

//-----------------Support and Resistance 
RST = input(title='Support / Resistance length:', type=integer, defval=10) 
RSTT = valuewhen(high >= highest(high, RST), high, 0)
RSTB = valuewhen(low <= lowest(low, RST), low, 0)
RT2 = plot(RSTT, color=RSTT != RSTT[1] ? na : red, linewidth=1, offset=+0)
RB2 = plot(RSTB, color=RSTB != RSTB[1] ? na : green, linewidth=1, offset=0)

//--------------------Trend colour ema------------------------------------------------// 
src0 = close, len0 = input(13, minval=1, title="EMA 1")
ema0 = ema(src0, len0)
direction = rising(ema0, 2) ? +1 : falling(ema0, 2) ? -1 : 0
plot_color = direction > 0  ? lime: direction < 0 ? red : na
plot(ema0, title="EMA", style=line, linewidth=1, color = plot_color)

//-------------------- ema 2------------------------------------------------//
src02 = close, len02 = input(21, minval=1, title="EMA 2")
ema02 = ema(src02, len02)
direction2 = rising(ema02, 2) ? +1 : falling(ema02, 2) ? -1 : 0
plot_color2 = direction2 > 0  ? lime: direction2 < 0 ? red : na
plot(ema02, title="EMA Signal 2", style=line, linewidth=1, color = plot_color2)

//=============Hull MA//
show_hma = input(false, title="Display Hull MA Set:")
hma_src = input(close, title="Hull MA's Source:")
hma_base_length = input(8, minval=1, title="Hull MA's Base Length:")
hma_length_scalar = input(5, minval=0, title="Hull MA's Length Scalar:")
hullma(src, length)=>wma(2*wma(src, length/2)-wma(src, length), round(sqrt(length)))
plot(not show_hma ? na : hullma(hma_src, hma_base_length+hma_length_scalar*6), color=black, linewidth=2, title="Hull MA")

//============ signal Generator ==================================//
Piriod=input('720')
ch1 = security(tickerid, Piriod, open)
ch2 = security(tickerid, Piriod, close)


longCondition = crossover(security(tickerid, Piriod, close),security(tickerid, Piriod, open))
alertcondition(longCondition, title = "Buy now", title="Buy now this stock:")

shortCondition = crossunder(security(tickerid, Piriod, close),security(tickerid, Piriod, open)) 
alertcondition(shortCondition, title = "Sell now", title="Sell now this stock:")


plotshape(longCondition, color=green,title="Long")
plotshape(shortCondition, color=yellow, title="Short")