错误:无法为具有类型参数列表的类型调用初始化程序!!!
覆盖 func viewDidLoad() {
super.viewDidLoad()
// 在加载视图后做任何额外的设置,通常是从一个 nib。
让月份 = [“一月”、“二月”、“三月”、“四月”、“五月”、“六月”、“七月”、“八月”、“九月”、“十月”、“十一月”、“十二月” "]
让 unitsSold = [20.0, 4.0, 6.0, 3.0, 12.0, 16.0, 4.0, 18.0, 2.0, 4.0, 5.0, 4.0]
让 unitsSold2 = [25.0, 2.0, 4.0, 10.0, 12.0, 16.0, 4.0, 18.0, 2.0, 4.0, 5.0, 4.0]
setChart(月,值:unitsSold,values2:unitsSold2)
}
func setChart(dataPoints: [String], values: [Double], values2: [Double]) {
barChartView.noDataText = "You need to provide data for the chart."
var dataEntries1: [BarChartDataEntry] = []
var dataEntries2: [BarChartDataEntry] = []
for i in 0..<dataPoints.count {
let dataEntry1 = BarChartDataEntry(value: values[i], xIndex: i)
let dataEntry2 = BarChartDataEntry(value: values2[i], xIndex: i)
dataEntries1.append(dataEntry1)
dataEntries2.append(dataEntry2)
}
let chartDataSet1 = BarChartDataSet(yVals: dataEntries1, label: "Units Sold")
let chartDataSet2 = BarChartDataSet(yVals: dataEntries2, label: "Units Sold 2")
var dataSet : [BarChartDataSet] = [BarChartDataSet]()
dataSet.append(chartDataSet1)
dataSet.append(chartDataSet2)
let chartData = BarChartData(xVals: dataPoints, dataSet: dataSet) ->>
->> Error : cannot invoke initializer for type with an argument list of type !!!
chartData.groupSpace = 1
barChartView.data = chartData
}
将数据集更改为数据集“添加 S”
让 chartData = BarChartData(xVals: dataPoints, dataSets: dataSet) ->>
->> 错误:无法为具有类型参数列表的类型调用初始化程序!!!
+1
let chartData = BarChartData()
chartData.addDataSet(chartDataSet)
barChartView.data = chartData
这对我有帮助
让 chartData = BarChartData()
chartData.addDataSet(chartDataSet)
barChartView.data = 图表数据
这对我有用。
最有用的评论
将数据集更改为数据集“添加 S”
让 chartData = BarChartData(xVals: dataPoints, dataSets: dataSet) ->>
->> 错误:无法为具有类型参数列表的类型调用初始化程序!!!