图表视图集成问题？

Question

我从 GitHub link Charts 实现了图表视图帮我设置图表数据 api?

Answer 1

收到 API 的回复后，我使用下面的代码行来填充图表数据

   var newData = [ChartDataEntry]()
   var month:[String] = []
   for i in 0 ..< self.graphJSON.count{

    if self.graphJSON[i]["savings"].null == nil{
       let saving = self.graphJSON[i]["savings"].rawString()!
        if let savingInt = Int("\(saving)"){
            newData.append(ChartDataEntry(x:Double(i),y:Double(savingInt)))
        }
     }

     if self.graphJSON[i]["month"].null == nil{
       month.append("\(self.graphJSON[i]["month"].rawString()!)")
     }
   }


chartView.xAxis.labelPosition = .bottom
chartView.rightAxis.forceLabelsEnabled = false

chartView.xAxis.valueFormatter = IndexAxisValueFormatter(values:month)

//Also, you probably want to add:
chartView.xAxis.granularity = 1
//Generate Colors
var circleColors: [NSUIColor] = []           // arrays with circle color definitions
for i in 0 ..< 12 {
    if i == 11 {
        let color = UIColor(red:0.84, green:0.31, blue:0.12, alpha:1.0)
        circleColors.append(color)
    }
    else{
        let color = UIColor(red:0.15, green:0.67, blue:0.60, alpha:1.0)
        circleColors.append(color)
    }
}

let data = LineChartData()
let ds1 = LineChartDataSet(values: newData, label: "Savings in ₹")
ds1.colors = [NSUIColor.lightGray]
ds1.circleColors = circleColors
data.addDataSet(ds1)

let xAxis:XAxis = chartView.xAxis
xAxis.drawAxisLineEnabled = false
xAxis.drawGridLinesEnabled = false

let leftAxis:YAxis = chartView.leftAxis
leftAxis.drawAxisLineEnabled = false
leftAxis.drawGridLinesEnabled = false

let rightAxis:YAxis = chartView.rightAxis
rightAxis.drawAxisLineEnabled = false
rightAxis.drawGridLinesEnabled = false
rightAxis.drawLabelsEnabled = false



self.chartView.data = data
self.chartView.data?.highlightEnabled = false
self.chartView.gridBackgroundColor = UIColor.white //give color you want here
self.chartView.chartDescription?.text = "Savings Graph"

希望对您有所帮助

图表视图集成问题？

Chart View Integration issue?

ios

swift

ios-charts