ForEach提取请求中的func无法正常运行

Question

导入SwiftUI

struct DashboardAcftView：查看{

这是状态属性存储并保存到持久性容器的地方。

@ObservedObject public var updateMaleBodyCompView = UpdateMaleBodyCompView()

这是获取请求。

@FetchRequest(entity: MaleBodyComp.entity(), sortDescriptors: [NSSortDescriptor(keyPath: \MaleBodyComp.createdAt, ascending: false)]) var maleBodyComp: FetchedResults<MaleBodyComp>

这是将授权BF Double和身体脂肪Double并返回颜色的函数。

func colorCategory(bf: Double, authBf: Double) -> Color {
    let goColor: Color = Color.green
    let noGoColor: Color = Color.red
    let bf = updateMaleBodyCompView.bodyFat
    let authBf = updateMaleBodyCompView.authBodyFat

        if Int(authBf) < Int(bf) {
            return noGoColor
        }
        return goColor
    }

var body: some View {
        Text("ABCP Snapshot").font(.headline)
        ScrollView(.horizontal, showsIndicators: false) {

            HStack(alignment: .bottom, spacing: CGFloat(0)) {
                ForEach(self.maleBodyComp, id: \.self) { bf in

此处是环形视图更新和动画的地方。它仅在“ if”语句之外更新返回范围。因此，在这种情况下为Color.green。

                    RingViewAbcp(precent: 23, radius: 22, **color: self.colorCategory(bf: bf.bodyFat, authBf: bf.authBodyFat)** , width: 7, ringAuthBodyFat: Int(bf.authBodyFat), ringBodyFat: Int(bf.bodyFat), recordDate: bf.createdAt ?? Date(), recordLabel: "ABCP Date", animationDuration: 1.5)
                }
            }
        }
    }
}

}