优化键盘收起：支持点击标题栏和空白区域

Note/FormatterView.swift

@@ -15,40 +15,13 @@ struct FormatterView: View {
 
     var body: some View {
         NavigationStack {
-            VStack(spacing: 16) {
+            VStack(spacing: 0) {
-                TextEditor(text: $inputText)
+                headerView
-                    .frame(minHeight: 160)
+                    .background(Color(hex: "f2f2f7"))
-                    .padding(8)
-                    .background(Color(.systemBackground))
-                    .cornerRadius(8)
-                    .overlay(
-                        RoundedRectangle(cornerRadius: 8)
-                            .stroke(Color(.systemGray4), lineWidth: 1)
-                    )
 
-                Button(action: formatText) {
+                ScrollView {
-                    Label("格式化", systemImage: "wand.and.stars")
+                    VStack(spacing: 16) {
-                        .font(.headline)
+                        TextEditor(text: $inputText)
-                        .frame(maxWidth: .infinity)
-                        .padding()
-                        .background(Color.accentColor)
-                        .foregroundStyle(.white)
-                        .cornerRadius(10)
-                }
-
-                if !outputText.isEmpty {
-                    VStack(alignment: .leading, spacing: 8) {
-                        HStack {
-                            Text("格式化结果")
-                                .font(.subheadline)
-                                .foregroundStyle(.secondary)
-                            Spacer()
-                            Button(action: copyOutput) {
-                                Image(systemName: "doc.on.doc")
-                            }
-                        }
-
-                        TextEditor(text: .constant(outputText))
                             .frame(minHeight: 160)
                             .padding(8)
                             .background(Color(.systemBackground))
@@ -57,16 +30,58 @@ struct FormatterView: View {
                                 RoundedRectangle(cornerRadius: 8)
                                     .stroke(Color(.systemGray4), lineWidth: 1)
                             )
-                    }
+                            .toolbar {
-                }
+                                ToolbarItemGroup(placement: .keyboard) {
+                                    Spacer()
+                                    Button("完成") {
+                                        dismissKeyboard()
+                                    }
+                                }
+                            }
 
-                Spacer()
+                        Button(action: formatText) {
+                            Label("格式化", systemImage: "wand.and.stars")
+                                .font(.headline)
+                                .frame(maxWidth: .infinity)
+                                .padding()
+                                .background(Color.accentColor)
+                                .foregroundStyle(.white)
+                                .cornerRadius(10)
+                        }
+
+                        if !outputText.isEmpty {
+                            VStack(alignment: .leading, spacing: 8) {
+                                HStack {
+                                    Text("格式化结果")
+                                        .font(.subheadline)
+                                        .foregroundStyle(.secondary)
+                                    Spacer()
+                                    Button(action: copyOutput) {
+                                        Image(systemName: "doc.on.doc")
+                                    }
+                                }
+
+                                TextEditor(text: .constant(outputText))
+                                    .frame(minHeight: 160)
+                                    .padding(8)
+                                    .background(Color(.systemBackground))
+                                    .cornerRadius(8)
+                                    .overlay(
+                                        RoundedRectangle(cornerRadius: 8)
+                                            .stroke(Color(.systemGray4), lineWidth: 1)
+                                    )
+                            }
+                        }
+
+                        Spacer(minLength: 16)
+                    }
+                    .padding()
+                }
+                .background(Color(hex: "f2f2f7"))
             }
-            .padding()
-            .navigationTitle("文案格式化")
             .background(Color(hex: "f2f2f7").ignoresSafeArea())
             .onTapGesture {
-                UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
+                dismissKeyboard()
             }
             .alert("提示", isPresented: $showEmptyAlert) {
                 Button("确定", role: .cancel) {}
@@ -89,9 +104,31 @@ struct FormatterView: View {
                     .transition(.opacity)
                 }
             }
+            .navigationBarHidden(true)
         }
     }
 
+    private var headerView: some View {
+        HStack {
+            Text("文案格式化")
+                .font(.largeTitle.bold())
+                .foregroundStyle(.primary)
+            Spacer()
+        }
+        .frame(maxWidth: .infinity, minHeight: 44)
+        .padding(.horizontal)
+        .padding(.top, 8)
+        .padding(.bottom, 8)
+        .contentShape(Rectangle())
+        .onTapGesture {
+            dismissKeyboard()
+        }
+    }
+
+    private func dismissKeyboard() {
+        UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
+    }
+
     private func formatText() {
         if inputText.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
             showEmptyAlert = true