fix: 重构退出按钮

entry/src/main/ets/pages/compontents/Header.ets

@@ -8,7 +8,6 @@
  */
 import dayTs from '../../utils/Date'
 import router from '@ohos.router'
-import Prompt from '@system.prompt'
 import common from '@ohos.app.ability.common'
 
 @Component
@@ -24,6 +23,10 @@ export default struct HeaderComponent {
   // 扩充Logo后面区域
   @BuilderParam
   logoExpansionBuilder?: () => void = this.customBuilder
+  exitDialogController: CustomDialogController = new CustomDialogController({
+    builder: exitDialogComponent(),
+    customStyle: true
+  })
 
   @Builder
   customBuilder() {
@@ -84,23 +87,8 @@ export default struct HeaderComponent {
               }, router.RouterMode.Single);
             })
             Image($r('app.media.btn_back')).height(100).onClick(() => {
-              Prompt.showDialog({
-                title: "提示",
-                message: "确定要退出吗？",
-                buttons: [
-                  {
-                    text: '取消',
-                    color: '#666666'
-                  },
-                  {
-                    text: '退出',
-                    color: '#666666'
-                  }
-                ],
-                success: () => {
-                  (getContext(this) as common.UIAbilityContext).terminateSelf()
-                }
-              })
+              this.exitDialogController.open()
+
             })
           }
         }
@@ -110,3 +98,61 @@ export default struct HeaderComponent {
     .height(100)
   }
 }
+
+@CustomDialog
+struct exitDialogComponent {
+  private controller?: CustomDialogController;
+
+  build() {
+    Column() {
+      Text("提示信息").fontSize(26).margin({
+        top: 40
+      }).fontWeight(FontWeight.Bold)
+      Row() {
+        Text("是否确认退出程序?").fontSize(28)
+      }.margin({
+        top: 100,
+        bottom: 90
+      })
+
+      Row() {
+        BtnComponent({
+          text: "取消"
+        }).onClick(() => {
+          this.controller?.close()
+        })
+        BtnComponent().onClick(() => {
+          (getContext(this) as common.UIAbilityContext).terminateSelf()
+        })
+      }
+    }
+    .backgroundImage($r("app.media.km_open"))
+    .backgroundImageSize({
+      width: "100%",
+      height: "100%"
+    }).width(800).height(400)
+  }
+}
+
+@Component
+struct BtnComponent {
+  @State text: string = "确认"
+
+  build() {
+    Row() {
+      Text(this.text).fontColor("#F4EEE7").fontSize(28)
+    }
+    .backgroundImage($r("app.media.nor_btn"))
+    .backgroundImageSize({
+      width: "100%",
+      height: "100%"
+    })
+    .width(200)
+    .height(80)
+    .justifyContent(FlexAlign.Center)
+    .alignItems(VerticalAlign.Center)
+    .margin({
+      left: 20
+    })
+  }
+}