Refactor ScannerView and ScanningOverlayView to remove selected scanning style binding; simplify scanning line style to a fixed modern style, enhancing code clarity and reducing state management complexity.

MyQrCode/ScannerView/ScannerView.swift

@@ -9,7 +9,6 @@ import QRCode
 struct ScannerView: View {
     @StateObject private var scannerViewModel = ScannerViewModel()
     @State private var showPreviewPause = false
-    @State private var selectedScanningStyle: ScanningLineStyle = .modern
     @State private var screenOrientation = UIDevice.current.orientation
     @State private var previewLayer: AVCaptureVideoPreviewLayer?
     @State private var navigateToDetail = false
@@ -31,7 +30,6 @@ struct ScannerView: View {
                 // 扫描界面覆盖层
                 ScanningOverlayView(
                     showPreviewPause: showPreviewPause,
-                    selectedStyle: $selectedScanningStyle,
                     detectedCodesCount: scannerViewModel.detectedCodes.count,
                     onImageDecode: { showImagePicker = true }
                 )

MyQrCode/ScannerView/ScanningOverlayView.swift

@@ -4,7 +4,6 @@ import AudioToolbox
 // MARK: - 扫描界面覆盖层
 struct ScanningOverlayView: View {
     let showPreviewPause: Bool
-    @Binding var selectedStyle: ScanningLineStyle
     let detectedCodesCount: Int
     let onImageDecode: () -> Void
     
@@ -14,7 +13,7 @@ struct ScanningOverlayView: View {
             
             // 扫描线组件
             if !showPreviewPause {
-                ScanningLineView(style: selectedStyle)
+                ScanningLineView(style: .modern)
             }
             
             // 提示文本
@@ -28,7 +27,6 @@ struct ScanningOverlayView: View {
             // 底部按钮区域
             ScanningBottomButtonsView(
                 showPreviewPause: showPreviewPause,
-                selectedStyle: $selectedStyle,
                 onImageDecode: onImageDecode
             )
         }
@@ -70,16 +68,10 @@ struct ScanningInstructionView: View {
 // MARK: - 扫描底部按钮视图
 struct ScanningBottomButtonsView: View {
     let showPreviewPause: Bool
-    @Binding var selectedStyle: ScanningLineStyle
     let onImageDecode: () -> Void
     
     var body: some View {
         VStack(spacing: 15) {
-            // 扫描线样式选择器
-            if !showPreviewPause {
-                ScanningStyleSelectorView(selectedStyle: $selectedStyle)
-            }
-            
             // 图片解码按钮
             if !showPreviewPause {
                 Button(action: {
@@ -98,10 +90,10 @@ struct ScanningBottomButtonsView: View {
                     .padding(.vertical, 10)
                     .background(
                         RoundedRectangle(cornerRadius: 12)
-                            .fill(Color.blue.opacity(0.8))
+                            .fill(Color.blue.opacity(0.3))
                             .overlay(
                                 RoundedRectangle(cornerRadius: 12)
-                                    .stroke(Color.blue, lineWidth: 1)
+                                    .stroke(Color.blue.opacity(0.6), lineWidth: 1)
                             )
                     )
                 }