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import SwiftUI
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import CoreData
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import CoreImage
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// MARK: - 二维码创建界面
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struct CreateQRCodeView: View {
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@Environment(\.dismiss) private var dismiss
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@StateObject private var coreDataManager = CoreDataManager.shared
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// 从类型选择界面传入的参数
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let selectedQRCodeType: QRCodeType
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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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// 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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// Email相关字段
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@State private var emailAddress = ""
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@State private var emailSubject = ""
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@State private var emailBody = ""
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@State private var emailCc = ""
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@State private var emailBcc = ""
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@FocusState private var focusedEmailField: EmailField?
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// Email字段枚举
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private enum EmailField: Hashable {
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case address, subject, body, cc, bcc
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}
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var body: some View {
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VStack(spacing: 0) {
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inputAndPreviewSection
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}
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.navigationTitle(selectedQRCodeType.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") { createQRCode() }
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.disabled(!canCreateQRCode())
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.font(.system(size: 16, weight: .semibold))
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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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if selectedQRCodeType == .mail {
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focusedEmailField = .address
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} else {
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isContentFieldFocused = true
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}
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}
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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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if selectedQRCodeType == .mail {
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focusedEmailField = nil
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} else {
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isContentFieldFocused = false
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}
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}
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}
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// MARK: - UI Components
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private var emailInputSection: some View {
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VStack(spacing: 16) {
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// Email地址 (必填)
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VStack(alignment: .leading, spacing: 8) {
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HStack {
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Text("邮箱地址")
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.font(.subheadline)
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.foregroundColor(.primary)
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Text("*")
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.foregroundColor(.red)
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Spacer()
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}
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TextField("user@example.com", text: $emailAddress)
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.textFieldStyle(RoundedBorderTextFieldStyle())
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.keyboardType(.emailAddress)
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.autocapitalization(.none)
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.focused($focusedEmailField, equals: .address)
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}
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// 主题 (必填)
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VStack(alignment: .leading, spacing: 8) {
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HStack {
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Text("主题")
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.font(.subheadline)
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.foregroundColor(.primary)
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Text("*")
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.foregroundColor(.red)
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Spacer()
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}
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TextField("邮件主题", text: $emailSubject)
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.textFieldStyle(RoundedBorderTextFieldStyle())
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.focused($focusedEmailField, equals: .subject)
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}
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// 正文 (必填)
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VStack(alignment: .leading, spacing: 8) {
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HStack {
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Text("正文")
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.font(.subheadline)
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.foregroundColor(.primary)
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Text("*")
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.foregroundColor(.red)
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Spacer()
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}
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ZStack {
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TextEditor(text: $emailBody)
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.frame(minHeight: 120)
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.padding(8)
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.background(Color(.systemBackground))
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.cornerRadius(8)
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.overlay(
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RoundedRectangle(cornerRadius: 8)
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.stroke(focusedEmailField == .body ? Color.blue : Color(.systemGray4), lineWidth: 1)
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)
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.focused($focusedEmailField, equals: .body)
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.onChange(of: emailBody) { newValue in
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// 限制最大字符数为1200
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if newValue.count > 1200 {
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emailBody = String(newValue.prefix(1200))
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}
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}
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// 占位符文本
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if emailBody.isEmpty && focusedEmailField != .body {
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VStack {
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HStack {
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Text("输入邮件正文内容...")
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.foregroundColor(.secondary)
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.font(.body)
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Spacer()
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}
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Spacer()
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}
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.padding(16)
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.allowsHitTesting(false)
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.frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .topLeading)
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}
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}
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// 字符计数
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HStack {
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Spacer()
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Text("\(emailBody.count)/1200")
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.font(.caption)
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.foregroundColor(emailBody.count >= 1200 ? .orange : .secondary)
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}
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}
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// CC地址 (可选)
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VStack(alignment: .leading, spacing: 8) {
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HStack {
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Text("抄送地址")
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.font(.subheadline)
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.foregroundColor(.primary)
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Spacer()
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}
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TextField("cc@example.com", text: $emailCc)
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.textFieldStyle(RoundedBorderTextFieldStyle())
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.keyboardType(.emailAddress)
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.autocapitalization(.none)
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.focused($focusedEmailField, equals: .cc)
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}
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// BCC地址 (可选)
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VStack(alignment: .leading, spacing: 8) {
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HStack {
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Text("密送地址")
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.font(.subheadline)
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.foregroundColor(.primary)
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Spacer()
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}
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TextField("bcc@example.com", text: $emailBcc)
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.textFieldStyle(RoundedBorderTextFieldStyle())
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.keyboardType(.emailAddress)
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.autocapitalization(.none)
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.focused($focusedEmailField, equals: .bcc)
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}
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}
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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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focusedEmailField = nil
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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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}
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private var inputAndPreviewSection: some View {
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ScrollView {
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VStack(spacing: 24) {
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// 输入提示
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VStack(spacing: 12) {
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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(getContentHint())
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.font(.caption)
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.foregroundColor(.secondary)
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.lineLimit(nil)
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Spacer()
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}
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.padding(.horizontal, 12)
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.padding(.vertical, 8)
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.background(
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RoundedRectangle(cornerRadius: 8)
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.fill(Color.blue.opacity(0.1))
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)
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}
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.padding(.horizontal, 20)
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// 内容输入区域
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VStack(spacing: 16) {
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HStack {
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Text(selectedQRCodeType == .mail ? "邮件信息" : "输入内容")
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.font(.headline)
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.foregroundColor(.primary)
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Spacer()
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}
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if selectedQRCodeType == .mail {
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// Email专用输入界面
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emailInputSection
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} else {
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// 通用输入界面
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VStack(spacing: 8) {
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ZStack {
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// 输入框主体
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TextEditor(text: $content)
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.frame(minHeight: 120)
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.padding(8)
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.background(Color(.systemBackground))
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.cornerRadius(8)
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.overlay(
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RoundedRectangle(cornerRadius: 8)
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.stroke(isContentFieldFocused ? Color.blue : Color(.systemGray4), lineWidth: 1)
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)
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.focused($isContentFieldFocused)
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.onChange(of: content) { newValue in
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// 限制最大字符数为150
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if newValue.count > 150 {
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content = String(newValue.prefix(150))
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}
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}
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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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// 占位符文本 - 左上角对齐
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if content.isEmpty && !isContentFieldFocused {
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VStack {
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HStack {
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Text(getPlaceholderText())
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.foregroundColor(.secondary)
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.font(.body)
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Spacer()
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}
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Spacer()
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}
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.padding(16)
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.allowsHitTesting(false)
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.frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .topLeading)
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}
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}
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// 字符计数和限制提示 - 输入框底下
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HStack {
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Spacer() // Pushes content to the right
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VStack(alignment: .trailing, spacing: 4) {
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// 字符限制提示
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if content.count >= 150 {
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HStack(spacing: 4) {
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Image(systemName: "exclamationmark.triangle")
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.font(.caption)
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.foregroundColor(.orange)
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Text("已达到最大字符数")
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.font(.caption)
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.foregroundColor(.orange)
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}
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} else if content.count >= 140 {
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HStack(spacing: 4) {
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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("接近字符限制")
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.font(.caption)
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.foregroundColor(.blue)
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}
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}
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// 字符计数
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Text("\(content.count)/150")
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.font(.caption)
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.foregroundColor(getCharacterCountColor())
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}
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}
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}
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}
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}
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.padding(.horizontal, 20)
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// 预览区域
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if selectedQRCodeType == .mail ? (!emailAddress.isEmpty && !emailSubject.isEmpty && !emailBody.isEmpty) : !content.isEmpty {
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VStack(spacing: 16) {
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HStack {
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Text("预览")
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.font(.headline)
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.foregroundColor(.primary)
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Spacer()
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}
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// 二维码预览卡片
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VStack(spacing: 16) {
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// 二维码图片
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if let qrImage = generateQRCodeImage() {
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Image(uiImage: qrImage)
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.interpolation(.none)
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.resizable()
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.scaledToFit()
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.frame(width: 200, height: 200)
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.background(Color.white)
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.cornerRadius(12)
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.shadow(color: .black.opacity(0.1), radius: 8, x: 0, y: 4)
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}
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// 内容预览卡片
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VStack(alignment: .leading, spacing: 8) {
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HStack {
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Text("内容")
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.font(.caption)
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.foregroundColor(.secondary)
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Spacer()
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Text(selectedQRCodeType.displayName)
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.font(.caption)
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.padding(.horizontal, 6)
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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(4)
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}
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Text(formatContentForQRCodeType())
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.font(.body)
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.foregroundColor(.primary)
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.textSelection(.enabled)
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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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.padding()
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.background(Color(.systemBackground))
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.cornerRadius(12)
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.shadow(color: .black.opacity(0.05), radius: 4, x: 0, y: 2)
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}
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.padding(.horizontal, 20)
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}
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Spacer(minLength: 100)
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}
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.padding(.top, 20)
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}
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.background(Color(.systemGroupedBackground))
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}
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// MARK: - Helper Methods
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private func canCreateQRCode() -> Bool {
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switch selectedQRCodeType {
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case .mail:
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// Email类型：邮箱地址、主题、正文为必填
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return !emailAddress.isEmpty && !emailSubject.isEmpty && !emailBody.isEmpty
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default:
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// 其他类型：内容不能为空
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return !content.isEmpty
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}
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}
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private func getCharacterCountColor() -> Color {
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if content.count >= 150 {
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return .orange
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} else if content.count >= 140 {
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return .blue
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} else {
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return .secondary
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}
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}
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private func getContentHint() -> String {
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switch selectedQRCodeType {
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case .text:
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return "输入任意文本内容"
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case .url:
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return "输入网址，如：https://www.example.com"
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case .mail:
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return "填写邮件信息，邮箱地址、主题、正文为必填项"
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case .phone:
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return "输入电话号码，如：+86 138 0013 8000"
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case .sms:
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return "输入短信内容，如：Hello World"
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case .wifi:
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return "输入WiFi信息，如：SSID:MyWiFi,Password:12345678"
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case .vcard:
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return "输入联系人信息"
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case .mecard:
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return "输入联系人信息（简化版）"
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case .location:
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return "输入地理位置，如：40.7128,-74.0060"
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case .calendar:
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return "输入日历事件信息"
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case .instagram:
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return "输入Instagram用户名或链接"
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case .facebook:
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return "输入Facebook用户名或链接"
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case .spotify:
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return "输入Spotify歌曲或播放列表链接"
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case .twitter:
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return "输入Twitter用户名或链接"
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case .whatsapp:
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return "输入WhatsApp消息内容"
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case .viber:
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return "输入Viber消息内容"
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case .snapchat:
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return "输入Snapchat用户名"
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case .tiktok:
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return "输入TikTok用户名或链接"
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}
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}
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private func getPlaceholderText() -> String {
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switch selectedQRCodeType {
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case .text:
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return "输入任意文本内容..."
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case .url:
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return "输入网址..."
|
|
|
case .mail:
|
|
|
return "输入邮件内容..."
|
|
|
case .phone:
|
|
|
return "输入电话号码..."
|
|
|
case .sms:
|
|
|
return "输入短信内容..."
|
|
|
case .wifi:
|
|
|
return "输入WiFi信息..."
|
|
|
case .vcard:
|
|
|
return "输入联系人信息..."
|
|
|
case .mecard:
|
|
|
return "输入联系人信息..."
|
|
|
case .location:
|
|
|
return "输入地理位置..."
|
|
|
case .calendar:
|
|
|
return "输入日历事件信息..."
|
|
|
case .instagram:
|
|
|
return "输入Instagram信息..."
|
|
|
case .facebook:
|
|
|
return "输入Facebook信息..."
|
|
|
case .spotify:
|
|
|
return "输入Spotify信息..."
|
|
|
case .twitter:
|
|
|
return "输入Twitter信息..."
|
|
|
case .whatsapp:
|
|
|
return "输入WhatsApp信息..."
|
|
|
case .viber:
|
|
|
return "输入Viber信息..."
|
|
|
case .snapchat:
|
|
|
return "输入Snapchat信息..."
|
|
|
case .tiktok:
|
|
|
return "输入TikTok信息..."
|
|
|
}
|
|
|
}
|
|
|
|
|
|
private func generateQRCodeImage() -> UIImage? {
|
|
|
// 根据二维码类型检查内容是否为空
|
|
|
let hasContent: Bool
|
|
|
switch selectedQRCodeType {
|
|
|
case .mail:
|
|
|
hasContent = !emailAddress.isEmpty && !emailSubject.isEmpty && !emailBody.isEmpty
|
|
|
default:
|
|
|
hasContent = !content.isEmpty
|
|
|
}
|
|
|
|
|
|
guard hasContent else { return nil }
|
|
|
|
|
|
// 根据二维码类型格式化内容
|
|
|
let formattedContent = formatContentForQRCodeType()
|
|
|
|
|
|
// 生成二维码
|
|
|
let data = formattedContent.data(using: .utf8)
|
|
|
let qrFilter = CIFilter.qrCodeGenerator()
|
|
|
qrFilter.setValue(data, forKey: "inputMessage")
|
|
|
qrFilter.setValue("H", forKey: "inputCorrectionLevel") // 高纠错级别
|
|
|
|
|
|
guard let outputImage = qrFilter.outputImage else { return nil }
|
|
|
|
|
|
// 转换为UIImage
|
|
|
let context = CIContext()
|
|
|
guard let cgImage = context.createCGImage(outputImage, from: outputImage.extent) else { return nil }
|
|
|
|
|
|
return UIImage(cgImage: cgImage)
|
|
|
}
|
|
|
|
|
|
private func formatContentForQRCodeType() -> String {
|
|
|
switch selectedQRCodeType {
|
|
|
case .text:
|
|
|
return content
|
|
|
case .url:
|
|
|
return content.hasPrefix("http") ? content : "https://\(content)"
|
|
|
case .mail:
|
|
|
var mailtoURL = "mailto:\(emailAddress)"
|
|
|
var queryParams: [String] = []
|
|
|
|
|
|
if !emailSubject.isEmpty {
|
|
|
queryParams.append("subject=\(emailSubject.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? emailSubject)")
|
|
|
}
|
|
|
|
|
|
if !emailBody.isEmpty {
|
|
|
queryParams.append("body=\(emailBody.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? emailBody)")
|
|
|
}
|
|
|
|
|
|
if !emailCc.isEmpty {
|
|
|
queryParams.append("cc=\(emailCc)")
|
|
|
}
|
|
|
|
|
|
if !emailBcc.isEmpty {
|
|
|
queryParams.append("bcc=\(emailBcc)")
|
|
|
}
|
|
|
|
|
|
if !queryParams.isEmpty {
|
|
|
mailtoURL += "?" + queryParams.joined(separator: "&")
|
|
|
}
|
|
|
|
|
|
return mailtoURL
|
|
|
case .phone:
|
|
|
return "tel:\(content)"
|
|
|
case .sms:
|
|
|
return "sms:\(content)"
|
|
|
case .wifi:
|
|
|
return "WIFI:T:WPA;S:\(content);P:password;;"
|
|
|
case .vcard:
|
|
|
return "BEGIN:VCARD\nVERSION:3.0\nFN:\(content)\nEND:VCARD"
|
|
|
case .mecard:
|
|
|
return "MECARD:N:\(content);;"
|
|
|
case .location:
|
|
|
return "geo:\(content)"
|
|
|
case .calendar:
|
|
|
return "BEGIN:VEVENT\nSUMMARY:\(content)\nEND:VEVENT"
|
|
|
case .instagram:
|
|
|
return "https://instagram.com/\(content)"
|
|
|
case .facebook:
|
|
|
return "https://facebook.com/\(content)"
|
|
|
case .spotify:
|
|
|
return content.hasPrefix("http") ? content : "https://open.spotify.com/track/\(content)"
|
|
|
case .twitter:
|
|
|
return "https://twitter.com/\(content)"
|
|
|
case .whatsapp:
|
|
|
return "https://wa.me/\(content)"
|
|
|
case .viber:
|
|
|
return "viber://chat?number=\(content)"
|
|
|
case .snapchat:
|
|
|
return "https://snapchat.com/add/\(content)"
|
|
|
case .tiktok:
|
|
|
return "https://tiktok.com/@\(content)"
|
|
|
}
|
|
|
}
|
|
|
|
|
|
private func createQRCode() {
|
|
|
let context = coreDataManager.container.viewContext
|
|
|
let historyItem = HistoryItem(context: context)
|
|
|
historyItem.id = UUID()
|
|
|
historyItem.dataType = DataType.qrcode.rawValue
|
|
|
historyItem.dataSource = DataSource.created.rawValue
|
|
|
historyItem.createdAt = Date()
|
|
|
historyItem.isFavorite = false
|
|
|
historyItem.qrCodeType = selectedQRCodeType.rawValue
|
|
|
|
|
|
// 根据类型设置内容
|
|
|
switch selectedQRCodeType {
|
|
|
case .mail:
|
|
|
var mailContent = "邮箱: \(emailAddress)\n主题: \(emailSubject)\n正文: \(emailBody)"
|
|
|
if !emailCc.isEmpty {
|
|
|
mailContent += "\n抄送: \(emailCc)"
|
|
|
}
|
|
|
if !emailBcc.isEmpty {
|
|
|
mailContent += "\n密送: \(emailBcc)"
|
|
|
}
|
|
|
historyItem.content = mailContent
|
|
|
default:
|
|
|
historyItem.content = content
|
|
|
}
|
|
|
|
|
|
do {
|
|
|
try context.save()
|
|
|
alertMessage = "二维码创建成功！"
|
|
|
showingAlert = true
|
|
|
// 创建成功后返回
|
|
|
DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
|
|
|
dismiss()
|
|
|
}
|
|
|
} catch {
|
|
|
alertMessage = "保存失败：\(error.localizedDescription)"
|
|
|
showingAlert = true
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
#Preview {
|
|
|
NavigationView {
|
|
|
CreateQRCodeView(selectedQRCodeType: .mail)
|
|
|
}
|
|
|
}
|
