gloomysunday049 / chklinechart Goto Github PK

var chartView: CHKLineChartView!

override func viewDidLoad() {
    self.chartView = CHKLineChartView()
    self.chartView.style = .base       //默认样式
    self.chartView.delegate = self
    self.chartView.frame = self.view.bounds
    self.view.addSubview(self.chartView)
}

func numberOfPointsInKLineChart(_ chart: CHKLineChartView) -> Int {
    return self.klineDatas.count
}

func kLineChart(_ chart: CHKLineChartView, valueForPointAtIndex index: Int) -> CHChartItem {
    let data = self.klineDatas[index] as! [Double]
    let item = CHChartItem()
    item.time = Int(data[0] / 1000)
    item.openPrice = CGFloat(data[1])
    item.highPrice = CGFloat(data[2])
    item.lowPrice = CGFloat(data[3])
    item.closePrice = CGFloat(data[4])
    item.vol = CGFloat(data[5])
    return item
}

func kLineChart(_ chart: CHKLineChartView, labelOnYAxisForValue value: CGFloat, section: CHSection) -> String {
    var strValue = ""
    if value / 10000 > 1 {
        strValue = (value / 10000).ch_toString(maxF: 2) + "万"
    } else {
        strValue = value.ch_toString(maxF: 2)
    }
    return strValue
}
    
func kLineChart(_ chart: CHKLineChartView, labelOnXAxisForIndex index: Int) -> String {
    let data = self.klineDatas[index] as! [Double]
    let timestamp = Int(data[0])
    return Date.getTimeByStamp(timestamp, format: "HH:mm")
}