Ios 把一周中的几天放在图表上
我用图表来显示条形图,但是,我不能用一周中的几天来打印x轴,而不是:0,1,2,3等等 正在初始化图表:Ios 把一周中的几天放在图表上,ios,swift,charts,Ios,Swift,Charts,我用图表来显示条形图,但是,我不能用一周中的几天来打印x轴,而不是:0,1,2,3等等 正在初始化图表: var weekdays = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"] func initializeChart() { chartView.noDataText = "No Data" chartView.animate(xAxisDuration: 2.0, yAxisDuration: 2.0, easingO
var weekdays = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]
func initializeChart() {
chartView.noDataText = "No Data"
chartView.animate(xAxisDuration: 2.0, yAxisDuration: 2.0, easingOption: .easeInBounce)
chartView.xAxis.labelPosition = .bottom
chartView.chartDescription.text = "Revenue"
//chartView.xAxis.setLabelsToSkip(0)
chartView.legend.enabled = false
chartView.scaleYEnabled = false
chartView.scaleXEnabled = false
chartView.pinchZoomEnabled = false
chartView.doubleTapToZoomEnabled = false
chartView.leftAxis.axisMinimum = 0.0
chartView.leftAxis.axisMaximum = 100.00
chartView.highlighter = nil
chartView.rightAxis.enabled = false
chartView.xAxis.drawGridLinesEnabled = false
}
这是我正在填充的数据:
if json != nil {
let week = json["week"]
let month = json["month"]
print("Check", week, month)
var dataEntries: [BarChartDataEntry] = []
for i in 0..<self.weekdays.count {
let day = self.weekdays[i]
let dataEntry = BarChartDataEntry(x: Double(i), yValues: [(week[day].double)!])
dataEntries.append(dataEntry)
print("data entry", dataEntry)
}
let chartDataSet = BarChartDataSet(values: dataEntries, label: "Weekdays")
chartDataSet.colors = ChartColorTemplates.material()
let chartData = BarChartData(dataSet: chartDataSet)
self.chartView.data = chartData
}
我只想在x轴上打印一周中的几天。您能帮忙吗?您需要为X轴设置valueFormatter,请尝试以下代码。希望有帮助
if json != nil {
let week = json["week"]
let month = json["month"]
print("Check", week, month)
var dataEntries: [BarChartDataEntry] = []
for i in 0..<self.weekdays.count {
let day = self.weekdays[i]
let dataEntry = BarChartDataEntry(x: Double(i), yValues:
[(week[day].double)!] , data: weekdays as AnyObject?))
dataEntries.append(dataEntry)
print("data entry", dataEntry)
}
let chartDataSet = BarChartDataSet(values: dataEntries, label: "Weekdays")
chartDataSet.colors = ChartColorTemplates.material()
let chartData = BarChartData(dataSet: chartDataSet)
let xAxisValue = chartView.xAxis
xAxisValue.valueFormatter = axisFormatDelegate
self.chartView.data = chartData
}
extension DemoBaseViewController: IAxisValueFormatter {
func stringForValue(_ value: Double, axis: AxisBase?) -> String {
return weekdays[Int(value)]
}
}
您是否为x轴配置了值格式化程序?如果没有,尝试设置它。