图,这里是我的代码: private func setChart(pieChartView: PieChartView, values: [Double]) {
var dataEntries: [PieChartDataEntry] = []
let dataPoints = ["Mar","Apr","May"]
for i in 0..<dataPoint
我使用了iOS图表库,和我遇到了以下错误消息: fatal error: NSArray element failed to match the Swift Array Element type 我“M试图执行与下列Objective-C代码的线图: NSMutableArray *dataSets = [[NSMutableArray alloc] init];
set1 = [[LineCh