图表3.0 - 无法在BarChart中显示小数 - iOS Swift

时间:2016-11-18 02:40:18

标签: ios charts decimal yaxis

我已将我的价值存储在核心数据中并在BarChart上显示。 我的类别金额为8.5和420.10。

但条形图的显示是8和420。 我该如何设置十进制值?

enter image description here

var dataEntries: [BarChartDataEntry] = []

   for i in 0..<dataPoints.count {
     let value = values[i] as Double
     print("value=\(value)")
     let dataEntry = BarChartDataEntry(x: Double(i), y:value)
     dataEntries.append(dataEntry)
 }

let chartDataSet = BarChartDataSet(values: dataEntries, label: "Total Amount")
chartDataSet.colors = [.red, .yellow, .green, .blue, .brown]
chartDataSet.colors = ChartColorTemplates.joyful()
barChartView.xAxis.labelPosition = .bottom
barChartView.chartDescription?.text = ""
barChartView.xAxis.drawGridLinesEnabled = false
barChartView.leftAxis.drawLabelsEnabled = false
barChartView.leftAxis.granularityEnabled = true

let chartData = BarChartData()
chartData.addDataSet(chartDataSet)
barChartView.data = chartData

2 个答案:

答案 0 :(得分:5)

我得到答案:

let format = NumberFormatter()
format.numberStyle = .decimal
let formatter = DefaultValueFormatter(formatter: format)
chartData.setValueFormatter(formatter)

答案 1 :(得分:0)

尝试使用NSNumberFormatter:

let numberFormatter = NumberFormatter()
numberFormatter.numberStyle = .decimal
barChartView.leftAxis.valueFormatter = numberFormatter

尝试查看哪个是条形值类并将其应用于那里,可能会有