Simplificou a lógica das linhas de gráficos de estratégia, permitindo que as funções que já estão envelopadas sejam chamadas diretamente
function main() {
var isFirst = true
while (true) {
var records = exchange.GetRecords();
if (records && records.length > 0) {
$.PlotRecords(records, 'BTC')
if (isFirst) {
$.PlotFlag(records[records.length-1].Time, 'Start', 'S')
isFirst = false
}
}
var ticker = exchange.GetTicker()
if (ticker) {
$.PlotLine('Last', ticker.Last)
$.PlotTitle('Last ' + ticker.Last)
}
Sleep(60000)
}
}
var chart = null var series = [] var labelIdx = [] var preBarTime = 0 var preFlagTime = 0 var preDotTime = [] var hasPrimary = false; var cfg = { tooltip: { xDateFormat: '%Y-%m-%d %H:%M:%S, %A' }, legend: { enabled: true, }, plotOptions: { candlestick: { color: '#d75442', upColor: '#6ba583' } }, rangeSelector: { buttons: [{ type: 'hour', count: 1, text: '1h' }, { type: 'hour', count: 3, text: '3h' }, { type: 'hour', count: 8, text: '8h' }, { type: 'all', text: 'All' }], selected: 2, inputEnabled: true }, series: series, } $.GetCfg = function() { return cfg } $.PlotHLine = function(value, label, color, style) { if (typeof(cfg.yAxis) === 'undefined') { cfg.yAxis = { plotLines: [] } } else if (typeof(cfg.yAxis.plotLines) === 'undefined') { cfg.yAxis.plotLines = [] } /* Solid ShortDash ShortDot ShortDashDot ShortDashDotDot Dot Dash LongDash DashDot LongDashDot LongDashDotDot */ var obj = { value: value, color: color || 'red', width: 2, dashStyle: style || 'Solid', label: { text: label || '', align: 'center' }, } var found = false for (var i = 0; i < cfg.yAxis.plotLines.length; i++) { if (cfg.yAxis.plotLines[i].label.text == label) { cfg.yAxis.plotLines[i] = obj found = true } } if (!found) { cfg.yAxis.plotLines.push(obj) } if (!chart) { chart = Chart(cfg) } else { chart.update(cfg) } } $.PlotRecords = function(records, title) { var seriesIdx = labelIdx["candlestick"]; if (!chart) { chart = Chart(cfg) chart.reset() } if (typeof(seriesIdx) == 'undefined') { cfg.__isStock = true seriesIdx = series.length series.push({ type: 'candlestick', name: typeof(title) == 'undefined' ? '' : title, id: (hasPrimary ? 'records_' + seriesIdx : 'primary'), data: [] }); chart.update(cfg) labelIdx["candlestick"] = seriesIdx } hasPrimary = true; if (typeof(records.Time) !== 'undefined') { var Bar = records; if (Bar.Time == preBarTime) { chart.add(seriesIdx, [Bar.Time, Bar.Open, Bar.High, Bar.Low, Bar.Close], -1) } else if (Bar.Time > preBarTime) { preBarTime = Bar.Time chart.add(seriesIdx, [Bar.Time, Bar.Open, Bar.High, Bar.Low, Bar.Close]) } } else { for (var i = 0; i < records.length; i++) { if (records[i].Time == preBarTime) { chart.add(seriesIdx, [records[i].Time, records[i].Open, records[i].High, records[i].Low, records[i].Close], -1) } else if (records[i].Time > preBarTime) { preBarTime = records[i].Time chart.add(seriesIdx, [records[i].Time, records[i].Open, records[i].High, records[i].Low, records[i].Close]) } } } return chart } $.PlotLine = function(label, dot, time) { if (!chart) { cfg.xAxis = { type: 'datetime' } chart = Chart(cfg) chart.reset() } var seriesIdx = labelIdx[label] if (typeof(seriesIdx) === 'undefined') { seriesIdx = series.length preDotTime[seriesIdx] = 0 labelIdx[label] = seriesIdx; series.push({ type: 'line', id: (hasPrimary ? 'line_' + seriesIdx : 'primary'), yAxis: 0, showInLegend: true, name: label, data: [], tooltip: { valueDecimals: 5 } }) hasPrimary = true; chart.update(cfg) } if (typeof(time) == 'undefined') { time = new Date().getTime() } if (preDotTime[seriesIdx] != time) { preDotTime[seriesIdx] = time chart.add(seriesIdx, [time, dot]) } else { chart.add(seriesIdx, [time, dot], -1) } return chart } $.PlotFlag = function(time, text, title, shape, color) { if (!chart) { chart = Chart(cfg) chart.reset() } label = "flag"; var seriesIdx = labelIdx[label] if (typeof(seriesIdx) === 'undefined') { seriesIdx = series.length labelIdx[label] = seriesIdx; series.push({ type: 'flags', onSeries: 'primary', data: [] }) chart.update(cfg) } var obj = { x: time, color: color, shape: shape, title: title, text: text } if (preFlagTime != time) { preFlagTime = time chart.add(seriesIdx, obj) } else { chart.add(seriesIdx, obj, -1) } return chart } $.PlotTitle = function(title, chartTitle) { cfg.subtitle = { text: title }; if (typeof(chartTitle) !== 'undefined') { cfg.title = { text: chartTitle }; } if (chart) { chart.update(cfg) } } function main() { var isFirst = true while (true) { var records = exchange.GetRecords(); if (records && records.length > 0) { $.PlotRecords(records, 'BTC') if (isFirst) { $.PlotFlag(records[records.length - 1].Time, 'Start', 'S') isFirst = false $.PlotHLine(records[records.length - 1].Close, 'Close') } } var ticker = exchange.GetTicker() if (ticker) { $.PlotLine('Last', ticker.Last) $.PlotTitle('Last ' + ticker.Last) } Sleep(60000) } }
Guigui17fPorque é que o intervalo de tempo de um gráfico de K-strings com um ciclo de 1 minuto não é 1 minuto?
JXC6698O que é que a variável isFirst é usada para controlar?