weibo/Weibo/IndexView.swift

//
//  IndexView.swift
//  Weibo
//
//  Created by Qihua Pan on 2020/8/18.
//  Copyright © 2020 Qihua Pan. All rights reserved.
//

import SwiftUI
import AlamofireImage
struct TopView:View {
    
    @Binding var icon: String
    
    var body: some View{
        VStack {
            HStack(alignment: .center){
                Button(action: {
                    if self.icon=="arrowbottom"{
                        self.icon="arrowtop"
                    }else{
                        self.icon="arrowbottom"
                    }
                }) {
                    HStack {
                        Text("最新微博")
                            .foregroundColor(Color.black)
                        Image(self.icon)
                    }
                }
                Button(action: {
                    print("推荐")
                }){
                    Text("推荐")
                        .foregroundColor(Color.gray)
                }
                Button(action: {
                    print("同城")
                }){
                    Text("同城")
                        .foregroundColor(Color.gray)
                }
            }
            if self.icon=="arrowtop"{
                HStack {
                    Text("默认分组")
                        .foregroundColor(Color.gray)
                    Spacer()
                    Button(action: {
                        print("编辑分组")
                    }){
                        Text("编辑")
                            .foregroundColor(Color.orange)
                    }
                }
            }
        }
    }
}

struct ImageView:View {
    @Binding var imageUrl:String
    var body: some View{
        Image(uiImage: requestImage(url: imageUrl))
    }
    
    func requestImage(url:String)->UIImage{
        
        let data = try! Data(contentsOf: URL(string: url)!)
        let image = UIImage(data: data, scale: UIScreen.main.scale)!
        image.af.inflate()
        return image
    }
}

struct Content {
    
}

struct RowView:View {
    var content:Content
    var body: some View{
        HStack{
          Text("vvv")
        }
    }
}

struct IndexView: View {
    
    @State var icon: String="arrowbottom"
    
    var body: some View {
        VStack {
            TopView(icon: $icon)
//            RowView()
            Spacer()
        }
    }
}

struct IndexView_Previews: PreviewProvider {
    static var previews: some View {
        IndexView()
    }
}