带有嵌套 H 和 VStacks 的自定义评级视图导致奇怪的框架

Question

我正在尝试复制此视图：

不幸的是我的几何学有问题Reader（我猜）。它正在制作比实际矩形更大的框架（见蓝色区域）：

同样适用于星星：

你能指出我的问题吗？嵌套有问题吗？我也尝试包括 Spacer() 但这并没有解决问题。

我的代码如下所示：

import SwiftUI

struct Ratings: Identifiable {
    var id = UUID().uuidString
    var ratingCount: CGFloat
    var starCount: Int
}

var userRatings: [Ratings] = [

    Ratings(ratingCount: 130, starCount: 5),
    Ratings(ratingCount: 90, starCount: 4),
    Ratings(ratingCount: 25, starCount: 3),
    Ratings(ratingCount: 20, starCount: 2),
    Ratings(ratingCount: 3, starCount: 1)

]


struct RatingGraphView: View {
      
    var ratings: [Ratings] = [
        Ratings(ratingCount: 130, starCount: 5),
        Ratings(ratingCount: 90, starCount: 4),
        Ratings(ratingCount: 25, starCount: 3),
        Ratings(ratingCount: 20, starCount: 2),
        Ratings(ratingCount: 3, starCount: 1)
    ]
    
    var body: some View {
        
        VStack(spacing: 10){
            
            ForEach(ratings){rating in
                RatingView(rating: rating)
                
            }
        }
        .frame(height: 200)
    }
    
    @ViewBuilder
    func RatingView(rating: Ratings)->some View{
        HStack{
            HStack{
                ForEach(1..<rating.starCount+1){ star in
                    Image(systemName: "star")
                        .resizable()
                        .aspectRatio(contentMode:.fit)
                        .frame(height:15)
                        .scaledToFit()
                        .padding(.bottom)
                }
            }
            .frame(maxWidth:.infinity, alignment: .trailing)
            
            
            HStack{
                
                VStack{
                    
                    GeometryReader{proxy in
                        
                        let size = proxy.size
                        
                        RoundedRectangle(cornerRadius: 6)
                            .fill(Color.blue)
                            .frame(width: (rating.ratingCount / getMax()) * (size.width), height: 15)
                        
                    }
                    
                }
                
            }
            
        }
        .padding(.trailing)
    }
    
    func getMax()->CGFloat{
        let max = ratings.max { first, second in
            return second.ratingCount > first.ratingCount
        }
        
        return max?.ratingCount ?? 0
    }
}

struct RatingGraphView_Previews: PreviewProvider {
    static var previews: some View {
        RatingGraphView()
    }
}

非常感谢！

Answer 1

测试这个

struct RatingGraphView: View {
  
    var ratings: [Ratings] = [
        Ratings(ratingCount: 130, starCount: 5),
        Ratings(ratingCount: 90, starCount: 4),
        Ratings(ratingCount: 25, starCount: 3),
        Ratings(ratingCount: 20, starCount: 2),
        Ratings(ratingCount: 3, starCount: 1)
    ]
    
    var body: some View {
        
        VStack(spacing: 0){
            
            ForEach(ratings){rating in
                RatingView(rating: rating)
                
            }
        }
        .frame(height: 100)
    }
    
    @ViewBuilder
    func RatingView(rating: Ratings)->some View{
        GeometryReader{proxy in
            HStack {
                HStack{
                    Spacer()
                    ForEach(1..<rating.starCount+1){ star in
                        Image(systemName: "star")
                        .resizable()
                        .aspectRatio(contentMode:.fit)
                        .frame(height:15)
                        .scaledToFit()
                        //.padding(.bottom)
                    }
                }
                .frame(width:proxy.size.width/2.5)
            let size = proxy.size
                        
            RoundedRectangle(cornerRadius: 6)
                .fill(Color.blue)
                .frame(width: (rating.ratingCount / getMax()) * (proxy.size.width * 1.5/3), height: 15)
                
            }
            
        }
        
    }
    
    func getMax()->CGFloat{
        let max = ratings.max { first, second in
            return second.ratingCount > first.ratingCount
        }
        
        return max?.ratingCount ?? 0
    }
}

带有嵌套 H 和 VStacks 的自定义评级视图导致奇怪的框架

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