输入框占满屏幕，格式化结果直接回填

Note/FormatterView.swift

@@ -9,21 +9,19 @@ import SwiftUI
 
 struct FormatterView: View {
     @State private var inputText: String = ""
-    @State private var outputText: String = ""
     @State private var showEmptyAlert: Bool = false
     @State private var showCopied: Bool = false
 
     var body: some View {
         NavigationStack {
-            List {
+            VStack(spacing: 0) {
-                inputSection
+                headerView
-                actionSection
+
-                if !outputText.isEmpty {
+                inputArea
-                    resultSection
+                    .frame(maxHeight: .infinity)
-                }
+
+                actionArea
             }
-            .listStyle(.insetGrouped)
-            .navigationTitle("文案格式化")
             .background(Color(.systemGroupedBackground).ignoresSafeArea())
             .alert("提示", isPresented: $showEmptyAlert) {
                 Button("确定", role: .cancel) {}
@@ -46,15 +44,51 @@ struct FormatterView: View {
                     .transition(.opacity)
                 }
             }
+            .navigationBarHidden(true)
         }
     }
 
-    private var inputSection: some View {
+    private var headerView: some View {
-        Section {
+        HStack {
+            Text("文案格式化")
+                .font(.largeTitle.bold())
+                .foregroundStyle(.primary)
+            Spacer()
+            if !inputText.isEmpty {
+                Button(action: copyText) {
+                    Image(systemName: "doc.on.doc")
+                }
+                .font(.title3)
+            }
+        }
+        .frame(maxWidth: .infinity, minHeight: 44)
+        .padding(.horizontal)
+        .padding(.top, 8)
+        .padding(.bottom, 8)
+        .background(Color(.systemGroupedBackground))
+        .contentShape(Rectangle())
+        .onTapGesture {
+            dismissKeyboard()
+        }
+    }
+
+    private var inputArea: some View {
+        VStack(alignment: .leading, spacing: 8) {
+            Text("输入")
+                .font(.subheadline)
+                .foregroundStyle(.secondary)
+                .padding(.horizontal)
+
             TextEditor(text: $inputText)
-                .frame(minHeight: 160)
+                .frame(maxWidth: .infinity, maxHeight: .infinity)
-                .scrollContentBackground(.hidden)
+                .padding(12)
-                .background(Color(.secondarySystemGroupedBackground))
+                .background(Color(.systemBackground))
+                .cornerRadius(12)
+                .overlay(
+                    RoundedRectangle(cornerRadius: 12)
+                        .stroke(Color(.systemGray4), lineWidth: 1)
+                )
+                .padding(.horizontal)
                 .toolbar {
                     ToolbarItemGroup(placement: .keyboard) {
                         Spacer()
@@ -63,42 +97,27 @@ struct FormatterView: View {
                         }
                     }
                 }
-        } header: {
+
-            Text("输入")
-        } footer: {
             Text("粘贴需要格式化的文案")
-        }
-    }
-
-    private var actionSection: some View {
-        Section {
-            Button(action: formatText) {
-                HStack {
-                    Spacer()
-                    Label("格式化", systemImage: "wand.and.stars")
-                        .font(.headline)
-                    Spacer()
-                }
-            }
-        }
-    }
-
-    private var resultSection: some View {
-        Section {
-            TextEditor(text: .constant(outputText))
-                .frame(minHeight: 160)
-                .scrollContentBackground(.hidden)
-                .background(Color(.secondarySystemGroupedBackground))
-        } header: {
-            HStack {
-                Text("格式化结果")
-                Spacer()
-                Button(action: copyOutput) {
-                    Image(systemName: "doc.on.doc")
-                }
                 .font(.subheadline)
-            }
+                .foregroundStyle(.secondary)
+                .padding(.horizontal)
         }
+        .padding(.vertical, 8)
+    }
+
+    private var actionArea: some View {
+        Button(action: formatText) {
+            Label("格式化", systemImage: "wand.and.stars")
+                .font(.headline)
+                .frame(maxWidth: .infinity)
+                .padding()
+                .background(Color(.systemBackground))
+                .foregroundStyle(Color.accentColor)
+                .cornerRadius(12)
+        }
+        .padding()
+        .background(Color(.systemGroupedBackground))
     }
 
     private func dismissKeyboard() {
@@ -108,7 +127,6 @@ struct FormatterView: View {
     private func formatText() {
         if inputText.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
             showEmptyAlert = true
-            outputText = ""
             return
         }
 
@@ -142,12 +160,12 @@ struct FormatterView: View {
         content = content.replacingOccurrences(of: "二、交易方面", with: "## 二、交易方面")
         content = content.replacingOccurrences(of: "三、工作方面", with: "## 三、工作方面")
 
-        outputText = content
+        inputText = content
         dismissKeyboard()
     }
 
-    private func copyOutput() {
+    private func copyText() {
-        UIPasteboard.general.string = outputText
+        UIPasteboard.general.string = inputText
         withAnimation {
             showCopied = true
         }