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import SwiftUI
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import CoreData
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struct CreateCodeView: View {
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@Environment(\.dismiss) private var dismiss
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@StateObject private var coreDataManager = CoreDataManager.shared
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@State private var selectedDataType: DataType = .qrcode
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@State private var selectedBarcodeType: BarcodeType = .ean13
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@State private var selectedQRCodeType: QRCodeType = .text
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@State private var content = ""
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@State private var showingAlert = false
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@State private var alertMessage = ""
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// 条形码验证相关状态
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@State private var validationResult: BarcodeValidator.ValidationResult?
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@State private var showValidationInfo = false
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// 输入焦点，确保进入页面自动弹出键盘
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@FocusState private var isContentFieldFocused: Bool
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var body: some View {
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Form {
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// 数据类型选择
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Section("数据类型") {
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HStack(spacing: 0) {
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ForEach(DataType.allCases, id: \.self) { type in
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Button(action: {
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selectedDataType = type
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isContentFieldFocused = true
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// 添加触觉反馈
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let impactFeedback = UIImpactFeedbackGenerator(style: .light)
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impactFeedback.impactOccurred()
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}) {
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HStack(spacing: 6) {
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Image(systemName: type.icon)
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.font(.system(size: 16, weight: .medium))
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.foregroundColor(selectedDataType == type ? .white : .primary)
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Text(type.displayName)
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.font(.system(size: 15, weight: .medium))
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.foregroundColor(selectedDataType == type ? .white : .primary)
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}
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.frame(maxWidth: .infinity)
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.padding(.vertical, 12)
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.background(
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RoundedRectangle(cornerRadius: 8)
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.fill(selectedDataType == type ? Color.blue : Color(.systemGray6))
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)
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}
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.buttonStyle(PlainButtonStyle())
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}
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}
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.background(
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RoundedRectangle(cornerRadius: 8)
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.fill(Color(.systemGray6))
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)
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.overlay(
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RoundedRectangle(cornerRadius: 8)
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.stroke(Color(.systemGray4), lineWidth: 0.5)
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)
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}
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// 具体类型选择
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if selectedDataType == .barcode {
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Section("条形码类型") {
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Picker("条形码类型", selection: $selectedBarcodeType) {
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ForEach(BarcodeType.allCases, id: \.self) { type in
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HStack {
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Image(systemName: type.icon)
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Text(type.displayName)
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}
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.tag(type)
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}
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}
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.pickerStyle(WheelPickerStyle())
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}
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} else {
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Section("二维码类型") {
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Picker("二维码类型", selection: $selectedQRCodeType) {
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ForEach(QRCodeType.allCases, id: \.self) { type in
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HStack {
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Image(systemName: type.icon)
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Text(type.displayName)
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}
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.tag(type)
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}
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}
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.pickerStyle(WheelPickerStyle())
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}
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}
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// 内容输入
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Section("内容") {
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VStack(alignment: .leading, spacing: 12) {
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// 输入框和计数布局
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VStack(alignment: .trailing, spacing: 4) {
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// 条形码格式提示
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if selectedDataType == .barcode {
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HStack {
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Image(systemName: "info.circle")
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.font(.caption)
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.foregroundColor(.blue)
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Text(getBarcodeFormatHint())
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.font(.caption)
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.foregroundColor(.secondary)
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.lineLimit(2)
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Spacer()
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}
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.padding(.horizontal, 4)
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.padding(.vertical, 6)
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.background(
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RoundedRectangle(cornerRadius: 6)
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.fill(Color.blue.opacity(0.1))
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)
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}
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TextField(getPlaceholderText(), text: $content)
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.textFieldStyle(RoundedBorderTextFieldStyle())
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.keyboardType(getKeyboardType())
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.textInputAutocapitalization(getAutocapitalization())
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.disableAutocorrection(true)
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.focused($isContentFieldFocused)
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.toolbar {
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ToolbarItemGroup(placement: .keyboard) {
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Spacer()
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Button("完成") {
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isContentFieldFocused = false
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}
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.foregroundColor(.blue)
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.font(.system(size: 16, weight: .medium))
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}
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}
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.foregroundColor(.black)
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.onChange(of: content) { newValue in
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// 针对有固定长度与数字要求的类型，进行输入规范化（仅保留数字并按最大长度截断）
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if selectedDataType == .barcode, let maxLen = getMaxLength(), requiresDigitsOnly() {
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let digits = newValue.filter { $0.isNumber }
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let truncated = String(digits.prefix(maxLen))
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if truncated != newValue {
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content = truncated
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// 播放输入提示音
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playInputSound()
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}
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} else if selectedDataType == .barcode {
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// 播放输入提示音
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playInputSound()
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}
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validateBarcodeContent(content)
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}
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// 计数显示在输入框下方，右对齐
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if let maxLen = getMaxLength(), selectedDataType == .barcode {
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Text("\(normalizedInputCount())/\(maxLen)")
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.font(.caption2)
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.foregroundColor(.blue)
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.fontWeight(.medium)
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}
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}
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// 输入统计与验证状态
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HStack {
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if let result = validationResult, result.isValid {
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Text("✓ 格式正确")
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.font(.caption2)
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.foregroundColor(.green)
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} else if !content.isEmpty {
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Text("⚠ 格式检查中...")
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.font(.caption2)
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.foregroundColor(.orange)
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}
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}
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// 条形码验证信息（仅在格式不正确时显示）
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if selectedDataType == .barcode && !content.isEmpty && (validationResult == nil || !validationResult!.isValid) {
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BarcodeValidationInfoView(
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validationResult: validationResult,
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barcodeType: selectedBarcodeType
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)
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}
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}
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}
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// 预览
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if !content.isEmpty {
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Section("预览") {
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VStack(alignment: .leading, spacing: 12) {
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HStack {
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Image(systemName: selectedDataType.icon)
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Text(selectedDataType.displayName)
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Spacer()
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if selectedDataType == .barcode {
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Text(selectedBarcodeType.displayName)
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.font(.caption)
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.padding(.horizontal, 8)
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.padding(.vertical, 2)
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.background(Color.green.opacity(0.1))
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.foregroundColor(.green)
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.cornerRadius(8)
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} else {
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Text(selectedQRCodeType.displayName)
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.font(.caption)
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.padding(.horizontal, 8)
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.padding(.vertical, 2)
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.background(Color.orange.opacity(0.1))
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.foregroundColor(.orange)
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.cornerRadius(8)
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}
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}
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if selectedDataType == .barcode && !content.isEmpty && isInputComplete() {
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// 条形码图片预览（仅在输入完成时显示）
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BarcodePreviewView(
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content: content,
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barcodeType: selectedBarcodeType
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)
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.frame(height: 120)
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.frame(maxWidth: .infinity)
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} else {
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// 二维码或文本预览
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Text(content)
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.font(.body)
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.foregroundColor(.secondary)
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.padding()
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.frame(maxWidth: .infinity, alignment: .leading)
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}
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}
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.padding()
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.background(Color(.systemGray6))
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.cornerRadius(8)
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}
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}
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}
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.navigationTitle("创建\(selectedDataType.displayName)")
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.navigationBarTitleDisplayMode(.inline)
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.toolbar {
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ToolbarItem(placement: .navigationBarTrailing) {
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Button("创建") { createCode() }
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.disabled(content.isEmpty)
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}
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}
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.alert("提示", isPresented: $showingAlert) {
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Button("确定") { }
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} message: { Text(alertMessage) }
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.onAppear {
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// 稍延迟以确保进入页面时自动聚焦
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DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
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isContentFieldFocused = true
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}
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}
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.onChange(of: selectedDataType) { _ in
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isContentFieldFocused = true
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}
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.onChange(of: selectedBarcodeType) { _ in
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isContentFieldFocused = true
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}
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.onTapGesture {
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// 点击外部关闭键盘
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isContentFieldFocused = false
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}
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}
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// MARK: - 条形码验证方法
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private func validateBarcodeContent(_ newContent: String) {
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guard selectedDataType == .barcode else { return }
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validationResult = BarcodeValidator.validateBarcode(newContent, type: selectedBarcodeType)
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// 如果验证通过，自动格式化内容
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if let result = validationResult, result.isValid {
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content = result.formattedContent
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}
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}
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// MARK: - 键盘配置方法
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private func getKeyboardType() -> UIKeyboardType {
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guard selectedDataType == .barcode else { return .default }
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switch selectedBarcodeType {
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case .ean13, .ean8, .upce, .itf14:
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return .numberPad
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case .code39, .code128, .pdf417:
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return .asciiCapable
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}
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}
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private func getAutocapitalization() -> TextInputAutocapitalization {
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guard selectedDataType == .barcode else { return .sentences }
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switch selectedBarcodeType {
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case .ean13, .ean8, .upce, .itf14:
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return .never
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case .code39, .code128, .pdf417:
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return .characters
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}
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}
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// MARK: - 计数/规则
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private func getMaxLength() -> Int? {
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guard selectedDataType == .barcode else { return nil }
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switch selectedBarcodeType {
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case .ean13: return 13
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case .ean8: return 8
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case .upce: return 8
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case .itf14: return 14
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default: return nil
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}
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}
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private func requiresDigitsOnly() -> Bool {
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guard selectedDataType == .barcode else { return false }
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switch selectedBarcodeType {
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case .ean13, .ean8, .upce, .itf14:
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return true
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default:
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return false
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}
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}
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private func normalizedInputCount() -> Int {
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if requiresDigitsOnly() {
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return content.filter { $0.isNumber }.count
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}
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return content.count
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}
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// MARK: - 条形码格式提示
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private func getBarcodeFormatHint() -> String {
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switch selectedBarcodeType {
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case .ean13:
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return "请输入13位数字，如：1234567890123"
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case .ean8:
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return "请输入8位数字，如：12345678"
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case .upce:
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return "请输入8位数字，如：12345678"
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case .code39:
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return "请输入字母、数字、空格和特殊字符"
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case .code128:
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return "请输入任意ASCII字符"
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case .itf14:
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return "请输入14位数字，如：12345678901234"
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case .pdf417:
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return "请输入任意ASCII字符"
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}
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}
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// MARK: - 输入框占位符文本
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private func getPlaceholderText() -> String {
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if selectedDataType == .barcode {
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switch selectedBarcodeType {
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case .ean13:
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return "输入13位数字"
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case .ean8:
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return "输入8位数字"
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case .upce:
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return "输入8位数字"
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case .code39:
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return "输入字母、数字等"
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case .code128:
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return "输入任意字符"
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case .itf14:
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return "输入14位数字"
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case .pdf417:
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return "输入任意字符"
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}
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} else {
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return "请输入内容"
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}
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}
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// MARK: - 播放输入提示音
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private func playInputSound() {
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// 使用系统触觉反馈作为输入提示音
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let impactFeedback = UIImpactFeedbackGenerator(style: .light)
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impactFeedback.impactOccurred()
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}
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// MARK: - 判断输入是否完成
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private func isInputComplete() -> Bool {
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if selectedDataType == .barcode {
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// 条形码需要验证格式正确
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return validationResult?.isValid == true
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} else {
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// 二维码只要有内容就算完成
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return !content.isEmpty
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}
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}
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private func createCode() {
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guard !content.isEmpty else { return }
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// 如果是条形码，验证格式
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if selectedDataType == .barcode {
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let validation = BarcodeValidator.validateBarcode(content, type: selectedBarcodeType)
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if !validation.isValid {
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alertMessage = validation.errorMessage ?? "条形码格式不正确"
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showingAlert = true
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return
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}
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}
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let context = coreDataManager.container.viewContext
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let historyItem = HistoryItem(context: context)
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historyItem.id = UUID()
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historyItem.content = content
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historyItem.dataType = selectedDataType.rawValue
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historyItem.dataSource = DataSource.created.rawValue
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historyItem.createdAt = Date()
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historyItem.isFavorite = false
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if selectedDataType == .barcode {
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historyItem.barcodeType = selectedBarcodeType.rawValue
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} else {
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historyItem.qrCodeType = selectedQRCodeType.rawValue
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}
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coreDataManager.addHistoryItem(historyItem)
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alertMessage = "\(selectedDataType.displayName)创建成功！"
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showingAlert = true
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DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) { dismiss() }
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}
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}
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#Preview {
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CreateCodeView()
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}
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