[英]How to use String values for X-Axis in Charts instead of doubles?
您可以实现一个协议IAxisValueFormatter并实现预期的结果。
编辑:
如何使用它
初始化时
chartView.xAxis.valueFormatter = self
和实施协议。
extension LineChart1ViewController: IAxisValueFormatter {
func stringForValue(_ value: Double, axis: AxisBase?) -> String {
let months = ["January","February","March","April","May","June","July","Auguest","September","October","November","December"]
return months[Int(value)]
}
}
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