Strategies

使用画线类库画K线以及均线图表范例

发明者量化-小小梦 · javascript · Patterns and Candlesticks · 2018-11-12 11:39:09

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Patterns and Candlesticks Tools and Appendix Reversal Inflection · Inferred

Context terms

Candlestick

Code summary Auto-extracted · not described by the author

Library / utility: 2 functions, 0 classes; no entry or exit calls detected.

Library / utility

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35 code lines · 2 functions · 0 classes · 1 parameters

Parameters

Parameters	Default	Description
MaCyc	10	均线参数

Source code (35 lines)

var PreBarTime = 0
function PlotMA_Kline(records, param, isFirst){
    var ma = TA.MA(records, param)
    $.PlotRecords(records, "K")
    if(isFirst){
        for(var i = records.length - 1; i >= 0; i--){
            if(ma[i] !== null){
                $.PlotLine("ma", ma[i], records[i].Time)
            }
        }
        PreBarTime = records[records.length - 1].Time
    } else {
        if(PreBarTime !== records[records.length - 1].Time){
            $.PlotLine("ma", ma[ma.length - 2], records[records.length - 2].Time)
            PreBarTime = records[records.length - 1].Time
        }
        $.PlotLine("ma", ma[ma.length - 1], records[records.length - 1].Time)
    }


}

function main(){
    var maCyc = MaCyc
    var isFirst = true

    while(1){
        var records = exchange.GetRecords()
        if(records && records.length > maCyc){
            PlotMA_Kline(records, maCyc, isFirst)
            isFirst = false
        }
        Sleep(1000)
    }
}