根据条件单击按钮时移动到nextView，swiftUI

import SwiftUI

struct ContentView: View {
    @State private var showNextView = false
    
    var body: some View {
        NavigationView {
            VStack {
                Button(action: {
                    self.showNextView = true
                }) {
                    Text("点击跳转到下一个视图")
                        .padding()
                        .background(Color.blue)
                        .foregroundColor(.white)
                        .cornerRadius(10)
                }
                .padding()
                
                NavigationLink(destination: NextView(), isActive: $showNextView) {
                    EmptyView()
                }
            }
            .navigationBarTitle("主视图")
        }
    }
}

struct NextView: View {
    var body: some View {
        Text("这是下一个视图")
            .font(.largeTitle)
            .fontWeight(.bold)
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}