77a4ee1c37
当您提供代码差异后，我将按照以下格式生成： ``` <type>(<scope>): <subject> <body> ``` 其中type会根据更改类型选择（feat、fix、docs、style、refactor等），scope表示影响范围，subject简要描述变更内容，body详细说明修改内容。
69 lines
2.3 KiB
Swift
69 lines
2.3 KiB
Swift
import SwiftUI
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import PhotosUI
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/// VisionKit 在模拟器不可用,demo / 验证场景走 PhotosPicker 回退选已有照片。
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/// 真机正式录入走 DocumentScannerView。
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struct PhotoPickerSheet: View {
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let onFinish: ([UIImage]) -> Void
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let onCancel: () -> Void
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@State private var selection: [PhotosPickerItem] = []
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@State private var loading = false
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var body: some View {
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VStack(spacing: 20) {
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Image(systemName: "photo.on.rectangle.angled")
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.font(.tjScaled( 56))
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.foregroundStyle(Tj.Palette.text3)
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Text("模拟器没有摄像头,从相册选一张化验单/体检报告")
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.font(.tjScaled( 13))
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.foregroundStyle(Tj.Palette.text2)
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.multilineTextAlignment(.center)
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PhotosPicker(selection: $selection,
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maxSelectionCount: 5,
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matching: .images) {
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Text("从相册选 ≤5 张")
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.font(.tjScaled( 14, weight: .semibold))
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.frame(maxWidth: .infinity)
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.padding(.vertical, 12)
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.background(Tj.Palette.ink)
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.foregroundStyle(Tj.Palette.paper)
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.clipShape(Capsule())
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}
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Button("取消", action: onCancel)
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.foregroundStyle(Tj.Palette.text3)
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if loading {
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ProgressView().tint(Tj.Palette.ink)
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}
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}
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.padding(28)
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.frame(maxWidth: .infinity, maxHeight: .infinity)
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.background(Tj.Palette.sand.ignoresSafeArea())
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.onChange(of: selection) { _, newValue in
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guard !newValue.isEmpty else { return }
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loadImages(from: newValue)
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}
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}
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private func loadImages(from items: [PhotosPickerItem]) {
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loading = true
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Task {
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var images: [UIImage] = []
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for item in items {
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if let data = try? await item.loadTransferable(type: Data.self),
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let img = UIImage(data: data) {
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images.append(img)
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}
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}
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await MainActor.run {
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loading = false
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if images.isEmpty { onCancel() }
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else { onFinish(images) }
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}
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}
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}
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}
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