ref |> 调整评论弹框滑动评论时，固定全部评论标题栏

Signed-off-by: xugenyuan <xugenyuan@wondertek.com.cn>

@@ -23,6 +23,7 @@ const testString = '因为读书的人\n是低ç€å¤´å‘上看的人\n身处一éš
 export struct CommentComponent {
   private onCloseClick = () => {
   }
+  showTitleComponent: boolean = true
   @Prop showCloseIcon?: boolean = false
   @State hasMore: boolean = true;
   @State currentPage: number = 1;
@@ -168,7 +169,9 @@ export struct CommentComponent {
   build() {
     Column() {
       List({ scroller: this.listScroller }) {
-        ListItemGroup({ header: this.titleHeader() })
+        if (this.showTitleComponent) {
+          ListItemGroup({ header: this.titleHeader() })
+        }
 
         if (!this.isComments) {
           EmptyComponent({ emptyType: 17 })

@@ -88,17 +88,13 @@ struct CommentListDialog {
 
   build() {
     Column() {
+      this.titleHeaderView()
+
       CommentComponent({
         publishCommentModel: this.publishCommentModel,
-        showCloseIcon: true,
         fixedHeightMode: true,
-        onCloseClick: () => {
-          this.controller!.close()
-          if (this.onClose) {
-            this.onClose()
-          }
-        },
-        inDialog: true
+        inDialog: true,
+        showTitleComponent: false
       }).layoutWeight(1)
 
       OperRowListView({
@@ -119,4 +115,33 @@ struct CommentListDialog {
     .height(this.windowHeight - this.windowWidth * 9 / 16 + 'px')
     .backgroundColor(Color.White)
   }
+
+  @Builder titleHeaderView() {
+    Row() {
+      Row() {
+        Image($r('app.media.redLine'))
+          .height(16)
+          .width(3)
+        Text('全部评论')
+          .fontSize(18)// .fontColor('#222222')
+          .fontColor($r('app.color.color_222222'))
+          .fontWeight(FontWeight.Medium)
+          .margin({ left: 5 })
+      }
+      .margin({ left: 16 })
+
+      Image($r('app.media.close_button'))
+        .height(16)
+        .width(16)
+        .margin({ right: 16 })// .visibility(this.showCloseIcon ? Visibility.Visible : Visibility.Hidden)
+        .onClick(() => {
+          if (this.onClose) {
+            this.onClose()
+          }
+        })
+    }
+    .height(44)
+    .width('100%')
+    .justifyContent(FlexAlign.SpaceBetween)
+  }
 }
\ No newline at end of file