131 lines
4.7 KiB
Swift
131 lines
4.7 KiB
Swift
import SwiftUI
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import Combine
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struct PhotoView: View {
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let albumId: String
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@StateObject private var viewModel: PhotoViewModel
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init(albumId: String) {
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self.albumId = albumId
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self._viewModel = StateObject(wrappedValue: PhotoViewModel(albumId: albumId))
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}
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var body: some View {
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ZStack {
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if viewModel.isLoading {
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ProgressView()
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} else if let album = viewModel.album {
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ScrollView {
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VStack(alignment: .leading, spacing: 8) {
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Text(album.name)
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.font(.headline)
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Text("作者: \(album.authors.joined(separator: ", "))")
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.font(.subheadline)
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Text("标签: \(album.tags.joined(separator: ", "))")
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.font(.caption)
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.foregroundColor(.gray)
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}
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.padding()
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.frame(maxWidth: .infinity, alignment: .leading)
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.background(Color(.systemBackground))
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LazyVStack(spacing: 0) { // 去掉图片间距
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ForEach(Array(album.image_urls.enumerated()), id: \.offset) { index, url in
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AsyncImageView(
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url: url,
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nums: album.nums,
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index: index
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)
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.frame(maxWidth: .infinity) // 强制图片填充父视图宽度
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.aspectRatio(contentMode: .fill) // 确保图片填充整个区域
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.clipped() // 防止图片超出边界
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}
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}
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}
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.edgesIgnoringSafeArea(.all) // 让内容填充整个屏幕
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} else if let error = viewModel.error {
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Text("加载失败: \(error.localizedDescription)")
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}
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}
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.alert(isPresented: $viewModel.showAlert) {
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Alert(
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title: Text(viewModel.alertTitle),
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message: Text(viewModel.alertMessage),
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dismissButton: .default(Text("确定"))
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)
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}
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}
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}
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// 其余代码保持不变（PhotoView, PhotoViewModel, Album结构体等）
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class PhotoViewModel: ObservableObject {
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let albumId: String
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@Published var album: Album?
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@Published var isLoading = false
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@Published var error: Error?
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@Published var scrollPosition: Double = 0
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@Published var showAlert = false
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@Published var alertTitle = ""
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@Published var alertMessage = ""
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private var cancellables = Set<AnyCancellable>()
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init(albumId: String) {
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self.albumId = albumId
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loadAlbumData()
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}
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func loadAlbumData() {
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isLoading = true
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error = nil
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let urlString = "https://jms.godserver.cn/album/\(albumId)/"
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guard let url = URL(string: urlString) else {
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error = NSError(domain: "无效的URL", code: 0, userInfo: nil)
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isLoading = false
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return
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}
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print("正在加载相册数据: \(urlString)")
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URLSession.shared.dataTaskPublisher(for: url)
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.map(\.data)
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.decode(type: Album.self, decoder: JSONDecoder())
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.receive(on: DispatchQueue.main)
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.sink(receiveCompletion: { [weak self] completion in
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self?.isLoading = false
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if case .failure(let error) = completion {
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self?.error = error
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print("相册加载失败: \(error.localizedDescription)")
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}
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}, receiveValue: { [weak self] album in
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self?.album = album
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print("成功加载相册: \(album.name), 包含 \(album.image_urls.count) 张图片")
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})
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.store(in: &cancellables)
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}
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func showAlert(title: String, message: String) {
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alertTitle = title
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alertMessage = message
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showAlert = true
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}
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}
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struct Album: Codable {
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let album_id: String
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let name: String
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let authors: [String]
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let actors: [String]
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let tags: [String]
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let image_urls: [String]
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let nums: [Int]
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enum CodingKeys: String, CodingKey {
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case album_id, name, authors, actors, tags
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case image_urls = "image_urls"
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case nums
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}
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}
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