swiftUI 修改状态栏的字体颜色

1. 设置Info.list
   添加属性：View controller-based status bar appearance 为YES

2.view后添加属性
.preferredColorScheme(ColorScheme.dark)

VStack {
    Button(action: {}) {
        Text(" Button")
    }
    HStack {
        Text(" Slider").tint(.green)
        Slider(value: $sliderValue, in: -100...100, step: 0.1)
    }
}.preferredColorScheme(.dark)

ColorScheme.dark 字体白色
ColorScheme.light 字体黑色

链接地址：https://developer.apple.com/documentation/swiftui/view/preferredcolorscheme(_:)