ref |> 调整评论输入框发布按钮高亮逻辑

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

@@ -15,6 +15,7 @@ export struct CommentCustomDialog {
   @State private emojiSwitch: boolean = false
   textInputController: TextAreaController = new TextAreaController()
   @State positionInfo: CaretOffset = { index: 0, x: 0, y: 0 }
+  @State publishButtonOpacity: number = 0.5
 
   aboutToAppear(): void {
   }
@@ -55,8 +56,15 @@ export struct CommentCustomDialog {
           .height('100%')
           .width('100%')
           .backgroundColor($r('app.color.color_transparent'))
+          .caretColor("#ED2800")
           .onChange(value => {
             this.publishCommentModel.commentContent = value;
+
+            if (value.length > 0) {
+              this.publishButtonOpacity = 1.0
+            } else {
+              this.publishButtonOpacity = 0.5
+            }
           })
           .onFocus(() => {
             if (this.emojiSwitch) {
@@ -98,13 +106,14 @@ export struct CommentCustomDialog {
 
           Row() {
             Text('发布')
-              .backgroundColor('#F89381')
+              .backgroundColor("#ED2800")
               .width(80)
               .height(30)
               .fontSize(15)
               .fontColor(Color.White)
               .textAlign(TextAlign.Center)
               .borderRadius(4)
+              .opacity(this.publishButtonOpacity)
               .onClick(() => {
                 if (this.publishCommentModel.commentContent.length > 0) {
                   //请求评论接口