f686480cdc
- 在yana/Utils中新增ImageCacheManager类，提供内存和磁盘缓存功能，支持图片的异步加载和预加载。 - 更新FeedView，使用优化后的动态卡片组件OptimizedDynamicCardView，集成图片缓存，提升用户体验。 - 在yana/yana-Bridging-Header.h中引入CommonCrypto以支持MD5哈希。 - 更新FeedFeature以增加动态请求的页面大小，提升数据加载效率。 - 删除不再使用的data.txt文件，保持项目整洁。
569 lines
21 KiB
Swift
569 lines
21 KiB
Swift
import SwiftUI
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import ComposableArchitecture
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struct FeedView: View {
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let store: StoreOf<FeedFeature>
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var body: some View {
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WithViewStore(store, observe: { $0 }) { viewStore in
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GeometryReader { geometry in
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ScrollView {
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VStack(spacing: 20) {
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// 顶部区域 - 标题和加号按钮
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HStack {
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Spacer()
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// 标题
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Text("Enjoy your Life Time")
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.font(.system(size: 22, weight: .semibold))
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.foregroundColor(.white)
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Spacer()
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// 右侧加号按钮
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Button(action: {
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// 加号按钮操作
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}) {
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Image("add icon")
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.frame(width: 36, height: 36)
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}
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}
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.padding(.horizontal, 20)
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// 心脏图标
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Image(systemName: "heart.fill")
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.font(.system(size: 60))
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.foregroundColor(.red)
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.padding(.top, 40)
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// 励志文字
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Text("The disease is like a cruel ruler,\nand time is our most precious treasure.\nEvery moment we live is a victory\nagainst the inevitable.")
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.font(.system(size: 16))
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.multilineTextAlignment(.center)
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.foregroundColor(.white.opacity(0.9))
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.padding(.horizontal, 30)
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.padding(.top, 20)
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// 真实动态数据
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LazyVStack(spacing: 16) {
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if viewStore.moments.isEmpty {
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// 空状态
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VStack(spacing: 12) {
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Image(systemName: "heart.text.square")
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.font(.system(size: 40))
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.foregroundColor(.white.opacity(0.6))
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Text("暂无动态内容")
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.font(.system(size: 16))
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.foregroundColor(.white.opacity(0.8))
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if let error = viewStore.error {
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Text("错误: \(error)")
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.font(.system(size: 12))
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.foregroundColor(.red.opacity(0.8))
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.multilineTextAlignment(.center)
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.padding(.horizontal, 20)
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}
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}
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.padding(.top, 40)
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} else {
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// 显示真实动态数据
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ForEach(Array(viewStore.moments.enumerated()), id: \.element.dynamicId) { index, moment in
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OptimizedDynamicCardView(
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moment: moment,
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allMoments: viewStore.moments,
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currentIndex: index
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)
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}
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}
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}
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.padding(.horizontal, 16)
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.padding(.top, 30)
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// 加载状态
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if viewStore.isLoading {
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HStack {
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ProgressView()
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.progressViewStyle(CircularProgressViewStyle(tint: .white))
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Text("加载中...")
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.font(.system(size: 14))
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.foregroundColor(.white.opacity(0.8))
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}
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.padding(.top, 20)
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}
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// 底部安全区域
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Color.clear.frame(height: geometry.safeAreaInsets.bottom + 100)
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}
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}
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.refreshable {
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viewStore.send(.loadLatestMoments)
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}
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}
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.onAppear {
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viewStore.send(.onAppear)
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}
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}
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}
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}
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// MARK: - 优化的动态卡片组件
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struct OptimizedDynamicCardView: View {
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let moment: MomentsInfo
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let allMoments: [MomentsInfo]
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let currentIndex: Int
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var body: some View {
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VStack(alignment: .leading, spacing: 12) {
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// 用户信息
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HStack {
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// 使用缓存的头像
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CachedAsyncImage(url: moment.avatar) { image in
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image
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.resizable()
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.aspectRatio(contentMode: .fill)
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} placeholder: {
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Circle()
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.fill(Color.gray.opacity(0.3))
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.overlay(
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Text(String(moment.nick.prefix(1)))
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.font(.system(size: 16, weight: .medium))
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.foregroundColor(.white)
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)
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}
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.frame(width: 40, height: 40)
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.clipShape(Circle())
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VStack(alignment: .leading, spacing: 2) {
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Text(moment.nick)
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.font(.system(size: 16, weight: .medium))
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.foregroundColor(.white)
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Text(formatTime(moment.publishTime))
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.font(.system(size: 12))
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.foregroundColor(.white.opacity(0.6))
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}
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Spacer()
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// VIP 标识
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if let vipInfo = moment.userVipInfoVO, let vipLevel = vipInfo.vipLevel {
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Text("VIP\(vipLevel)")
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.font(.system(size: 10, weight: .bold))
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.foregroundColor(.yellow)
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.padding(.horizontal, 6)
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.padding(.vertical, 2)
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.background(Color.yellow.opacity(0.2))
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.cornerRadius(4)
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}
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}
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// 动态内容
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if !moment.content.isEmpty {
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Text(moment.content)
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.font(.system(size: 14))
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.foregroundColor(.white.opacity(0.9))
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.multilineTextAlignment(.leading)
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}
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// 优化的图片网格
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if let images = moment.dynamicResList, !images.isEmpty {
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OptimizedImageGrid(images: images)
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}
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// 互动按钮
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HStack(spacing: 20) {
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Button(action: {}) {
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HStack(spacing: 4) {
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Image(systemName: "message")
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.font(.system(size: 16))
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Text("\(moment.commentCount)")
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.font(.system(size: 14))
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}
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.foregroundColor(.white.opacity(0.8))
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}
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Button(action: {}) {
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HStack(spacing: 4) {
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Image(systemName: moment.isLike ? "heart.fill" : "heart")
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.font(.system(size: 16))
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Text("\(moment.likeCount)")
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.font(.system(size: 14))
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}
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.foregroundColor(moment.isLike ? .red : .white.opacity(0.8))
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}
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Spacer()
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}
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.padding(.top, 8)
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}
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.padding(16)
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.background(
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Color.white.opacity(0.1)
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.cornerRadius(12)
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)
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.onAppear {
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// 预加载相邻的图片
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preloadNearbyImages()
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}
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}
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private func formatTime(_ timestamp: Int) -> String {
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let date = Date(timeIntervalSince1970: TimeInterval(timestamp) / 1000.0)
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let formatter = DateFormatter()
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formatter.locale = Locale(identifier: "zh_CN")
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let now = Date()
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let interval = now.timeIntervalSince(date)
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if interval < 60 {
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return "刚刚"
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} else if interval < 3600 {
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return "\(Int(interval / 60))分钟前"
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} else if interval < 86400 {
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return "\(Int(interval / 3600))小时前"
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} else {
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formatter.dateFormat = "MM-dd HH:mm"
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return formatter.string(from: date)
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}
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}
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private func preloadNearbyImages() {
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var urlsToPreload: [String] = []
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// 预加载前后2个动态的图片
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let preloadRange = max(0, currentIndex - 2)...min(allMoments.count - 1, currentIndex + 2)
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for index in preloadRange {
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let moment = allMoments[index]
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// 添加头像
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urlsToPreload.append(moment.avatar)
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// 添加动态图片
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if let images = moment.dynamicResList {
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urlsToPreload.append(contentsOf: images.map { $0.resUrl })
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}
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}
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// 异步预加载
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ImageCacheManager.shared.preloadImages(urls: urlsToPreload)
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}
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}
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// MARK: - 优化的图片网格
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struct OptimizedImageGrid: View {
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let images: [MomentsPicture]
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var body: some View {
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GeometryReader { geometry in
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let availableWidth = geometry.size.width
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let spacing: CGFloat = 8
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switch images.count {
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case 1:
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// 单张图片：大正方形居中显示
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let imageSize: CGFloat = min(availableWidth * 0.6, 200)
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HStack {
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Spacer()
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SquareImageView(image: images[0], size: imageSize)
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Spacer()
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}
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case 2:
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// 两张图片：并排显示
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let imageSize: CGFloat = (availableWidth - spacing) / 2
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HStack(spacing: spacing) {
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SquareImageView(image: images[0], size: imageSize)
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SquareImageView(image: images[1], size: imageSize)
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}
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case 3:
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// 三张图片：水平排列
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let imageSize: CGFloat = (availableWidth - spacing * 2) / 3
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HStack(spacing: spacing) {
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ForEach(images.prefix(3), id: \.id) { image in
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SquareImageView(image: image, size: imageSize)
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}
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}
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default:
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// 四张及以上：九宫格布局（最多9张）
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let imageSize: CGFloat = (availableWidth - spacing * 2) / 3
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let columns = Array(repeating: GridItem(.fixed(imageSize), spacing: spacing), count: 3)
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LazyVGrid(columns: columns, spacing: spacing) {
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ForEach(images.prefix(9), id: \.id) { image in
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SquareImageView(image: image, size: imageSize)
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}
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}
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}
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}
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.frame(height: calculateGridHeight())
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}
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private func calculateGridHeight() -> CGFloat {
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switch images.count {
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case 1:
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return 200 // 单张图片的最大高度
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case 2:
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return 120 // 两张图片并排的高度
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case 3:
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return 100 // 三张图片水平排列的高度
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case 4...6:
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return 216 // 九宫格2行的高度 (实际图片大小 * 2 + 间距)
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default:
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return 340 // 九宫格3行的高度 (实际图片大小 * 3 + 间距 + 额外空间)
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}
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}
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}
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// MARK: - 正方形图片视图组件
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struct SquareImageView: View {
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let image: MomentsPicture
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let size: CGFloat
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var body: some View {
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CachedAsyncImage(url: image.resUrl) { imageView in
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imageView
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.resizable()
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.aspectRatio(contentMode: .fill)
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} placeholder: {
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Rectangle()
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.fill(Color.gray.opacity(0.3))
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.overlay(
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ProgressView()
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.progressViewStyle(CircularProgressViewStyle(tint: .white.opacity(0.6)))
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.scaleEffect(0.8)
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)
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}
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.frame(width: size, height: size)
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.clipped()
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.cornerRadius(8)
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}
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}
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// MARK: - 旧的真实动态卡片组件（保留备用）
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struct RealDynamicCardView: View {
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let moment: MomentsInfo
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var body: some View {
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VStack(alignment: .leading, spacing: 12) {
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// 用户信息
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HStack {
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AsyncImage(url: URL(string: moment.avatar)) { image in
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image
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.resizable()
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.aspectRatio(contentMode: .fill)
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} placeholder: {
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Circle()
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.fill(Color.gray.opacity(0.3))
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.overlay(
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Text(String(moment.nick.prefix(1)))
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.font(.system(size: 16, weight: .medium))
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.foregroundColor(.white)
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)
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}
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.frame(width: 40, height: 40)
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.clipShape(Circle())
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VStack(alignment: .leading, spacing: 2) {
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Text(moment.nick)
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.font(.system(size: 16, weight: .medium))
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.foregroundColor(.white)
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Text(formatTime(moment.publishTime))
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.font(.system(size: 12))
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.foregroundColor(.white.opacity(0.6))
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}
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Spacer()
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// VIP 标识
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if let vipInfo = moment.userVipInfoVO, let vipLevel = vipInfo.vipLevel {
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Text("VIP\(vipLevel)")
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.font(.system(size: 10, weight: .bold))
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.foregroundColor(.yellow)
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.padding(.horizontal, 6)
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.padding(.vertical, 2)
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.background(Color.yellow.opacity(0.2))
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.cornerRadius(4)
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}
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}
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// 动态内容
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if !moment.content.isEmpty {
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Text(moment.content)
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.font(.system(size: 14))
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.foregroundColor(.white.opacity(0.9))
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.multilineTextAlignment(.leading)
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}
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// 图片网格
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if let images = moment.dynamicResList, !images.isEmpty {
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LazyVGrid(columns: Array(repeating: GridItem(.flexible(), spacing: 8), count: min(images.count, 3)), spacing: 8) {
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ForEach(images.prefix(9), id: \.id) { image in
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AsyncImage(url: URL(string: image.resUrl)) { imageView in
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imageView
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.resizable()
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.aspectRatio(contentMode: .fill)
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} placeholder: {
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Rectangle()
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.fill(Color.gray.opacity(0.3))
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.overlay(
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ProgressView()
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.progressViewStyle(CircularProgressViewStyle(tint: .white.opacity(0.6)))
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)
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}
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.frame(height: 100)
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.clipped()
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.cornerRadius(8)
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}
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}
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}
|
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|
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// 互动按钮
|
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HStack(spacing: 20) {
|
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Button(action: {}) {
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HStack(spacing: 4) {
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Image(systemName: "message")
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.font(.system(size: 16))
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Text("\(moment.commentCount)")
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.font(.system(size: 14))
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}
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.foregroundColor(.white.opacity(0.8))
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}
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Button(action: {}) {
|
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HStack(spacing: 4) {
|
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Image(systemName: moment.isLike ? "heart.fill" : "heart")
|
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.font(.system(size: 16))
|
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Text("\(moment.likeCount)")
|
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.font(.system(size: 14))
|
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}
|
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.foregroundColor(moment.isLike ? .red : .white.opacity(0.8))
|
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}
|
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|
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Spacer()
|
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}
|
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.padding(.top, 8)
|
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}
|
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.padding(16)
|
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.background(
|
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Color.white.opacity(0.1)
|
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.cornerRadius(12)
|
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)
|
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}
|
||
|
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private func formatTime(_ timestamp: Int) -> String {
|
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let date = Date(timeIntervalSince1970: TimeInterval(timestamp) / 1000.0)
|
||
let formatter = DateFormatter()
|
||
formatter.locale = Locale(identifier: "zh_CN")
|
||
|
||
let now = Date()
|
||
let interval = now.timeIntervalSince(date)
|
||
|
||
if interval < 60 {
|
||
return "刚刚"
|
||
} else if interval < 3600 {
|
||
return "\(Int(interval / 60))分钟前"
|
||
} else if interval < 86400 {
|
||
return "\(Int(interval / 3600))小时前"
|
||
} else {
|
||
formatter.dateFormat = "MM-dd HH:mm"
|
||
return formatter.string(from: date)
|
||
}
|
||
}
|
||
}
|
||
|
||
// MARK: - 旧的模拟卡片组件（保留备用）
|
||
struct DynamicCardView: View {
|
||
let index: Int
|
||
|
||
var body: some View {
|
||
VStack(alignment: .leading, spacing: 12) {
|
||
// 用户信息
|
||
HStack {
|
||
Circle()
|
||
.fill(Color.gray.opacity(0.3))
|
||
.frame(width: 40, height: 40)
|
||
.overlay(
|
||
Text("U\(index + 1)")
|
||
.font(.system(size: 16, weight: .medium))
|
||
.foregroundColor(.white)
|
||
)
|
||
|
||
VStack(alignment: .leading, spacing: 2) {
|
||
Text("用户\(index + 1)")
|
||
.font(.system(size: 16, weight: .medium))
|
||
.foregroundColor(.white)
|
||
|
||
Text("2小时前")
|
||
.font(.system(size: 12))
|
||
.foregroundColor(.white.opacity(0.6))
|
||
}
|
||
|
||
Spacer()
|
||
}
|
||
|
||
// 动态内容
|
||
Text("今天是美好的一天，分享一些生活中的小确幸。希望大家都能珍惜每一个当下的时刻。")
|
||
.font(.system(size: 14))
|
||
.foregroundColor(.white.opacity(0.9))
|
||
.multilineTextAlignment(.leading)
|
||
|
||
// 图片网格
|
||
LazyVGrid(columns: Array(repeating: GridItem(.flexible(), spacing: 8), count: 3), spacing: 8) {
|
||
ForEach(0..<3) { imageIndex in
|
||
Rectangle()
|
||
.fill(Color.gray.opacity(0.3))
|
||
.aspectRatio(1, contentMode: .fit)
|
||
.overlay(
|
||
Image(systemName: "photo")
|
||
.foregroundColor(.white.opacity(0.6))
|
||
)
|
||
}
|
||
}
|
||
|
||
// 互动按钮
|
||
HStack(spacing: 20) {
|
||
Button(action: {}) {
|
||
HStack(spacing: 4) {
|
||
Image(systemName: "message")
|
||
.font(.system(size: 16))
|
||
Text("354")
|
||
.font(.system(size: 14))
|
||
}
|
||
.foregroundColor(.white.opacity(0.8))
|
||
}
|
||
|
||
Button(action: {}) {
|
||
HStack(spacing: 4) {
|
||
Image(systemName: "heart")
|
||
.font(.system(size: 16))
|
||
Text("354")
|
||
.font(.system(size: 14))
|
||
}
|
||
.foregroundColor(.white.opacity(0.8))
|
||
}
|
||
|
||
Spacer()
|
||
}
|
||
.padding(.top, 8)
|
||
}
|
||
.padding(16)
|
||
.background(
|
||
Color.white.opacity(0.1)
|
||
.cornerRadius(12)
|
||
)
|
||
}
|
||
}
|
||
|
||
#Preview {
|
||
FeedView(
|
||
store: Store(initialState: FeedFeature.State()) {
|
||
FeedFeature()
|
||
}
|
||
)
|
||
}
|