[英]Variable scope in pine script
在這里,我使用一些變量通過定義profit
或stop
的方式來設置我的退出條件
stopLR = float(floor(stopLoss)) - (3* syminfo.mintick)
targetLR = float(floor(target)) - (3* syminfo.mintick
if(longCondition and strategy.position_size == 0)
//average_long = close
targetLTick := (targetLR - close) / syminfo.mintick
stopLTick := (close - stopLR) / syminfo.mintick
strategy.exit("Long Buy", profit = targetLTick, comment = "Take Profit") //line 460
strategy.exit("Long Buy", loss = stopLTick, comment = "Book Loss") //line 461
添加到圖表操作失敗,原因:第 460 行:未聲明的標識符“targetLTick”;
第 461 行:未聲明的標識符“stopLTick”
這里有什么問題? 變量是全局 scope 並且拼寫沒有問題,為什么松樹給我錯誤?
根據您的代碼段, targetLTick
和stopLTick
在本地 scope 中聲明。 嘗試使用na
值在全局 scope 中聲明它們,然后在本地 scope 中重新分配,如下例所示:
stopLR = float(floor(stopLoss)) - (3* syminfo.mintick)
targetLR = float(floor(target)) - (3* syminfo.mintick
var float targetLTick = na
var float stopLTick = na
if(longCondition and strategy.position_size == 0)
//average_long = close
targetLTick := (targetLR - close) / syminfo.mintick
stopLTick := (close - stopLR) / syminfo.mintick
strategy.exit("Long Buy", profit = targetLTick, comment = "Take Profit") //line 460
strategy.exit("Long Buy", loss = stopLTick, comment = "Book Loss") //line 461
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