add new View

iOS-SwiftUI-Code/XiaoXiong/DefaultUI/View/MessageCenterView.swift

@@ -21,7 +21,7 @@ import SwiftUI
 
 struct MessageCenterView: View {
     
-    @Environment(\.presentationMode) var presentationMode // 环境变量用于控制视图的呈现
+    @Environment(\.presentationMode) var presentationMode
     
     var body: some View {
         NavigationView(content: {
@@ -31,7 +31,7 @@ struct MessageCenterView: View {
                     HStack{
                         Button(action: {
                             
-                            presentationMode.wrappedValue.dismiss() // 手动触发返回
+                            presentationMode.wrappedValue.dismiss()
                         }, label: {
                             
                             Image(systemName: "chevron.left")
@@ -39,7 +39,7 @@ struct MessageCenterView: View {
                                  
                             Text("返回")
                                 .foregroundColor(.white)
-                        }).padding(10) // 增加可点击区域
+                        }).padding(10)
                         Spacer(minLength: 0)
                         
                     }
@@ -68,7 +68,7 @@ struct MessageCenterView: View {
         })
          
         .navigationBarHidden(true)
-        .navigationBarBackButtonHidden(true) // 隐藏返回按钮
+        .navigationBarBackButtonHidden(true)
         
     }