HarmonyOS 路由跳转时自定义弹窗遮挡页面

interface RouterParams {  
  name?: string,  
  onPop?: (data: PopInfo) => void  
}  
  
// 封装路由工具类，并注册自定义弹窗组件  
class AppRouter {  
  private static instance = new AppRouter();  
  private pathStack: NavPathStack = new NavPathStack();  
  
  public static getInstance(): AppRouter {  
    return AppRouter.instance;  
  }  
  
  public getPathStack(): NavPathStack {  
    return this.pathStack;  
  }  
  
  private pushPath(name: string): void {  
    this.pathStack.pushPath({ name: name })  
  }  
  
  public static push(name: string): void {  
    AppRouter.instance.pushPath(name);  
  }  
  
  public static openDialog(name: string, params?: RouterParams): void {  
    AppRouter.instance.pathStack.pushPath({  
      name: name, param: params, onPop: (data: PopInfo) => {  
        if (params?.onPop) {  
          params.onPop!(data);  
        }  
      }  
    });  
  }  
  
  public static pop(): void {  
    AppRouter.instance.pathStack.pop();  
  }  
}  
@Component  
  // NavDestinationMode.DIALOG  
struct DefaultDialog {  
  build() {  
    NavDestination() {  
      Stack({ alignContent: Alignment.Center }) {  
        Column() {  
        }  
        .width("100%")  
        .height("100%")  
        .backgroundColor('rgba(0,0,0,0.5)')  
        .transition(  
          TransitionEffect.OPACITY.animation({  
            duration: 300,  
            curve: Curve.Friction  
          })  
        )  
        .onClick(() => {  
          AppRouter.pop();  
        })  
  
        Column() {  
          Text("dialogA")  
            .fontColor(Color.White)  
          Button("push pageC", { stateEffect: true, type: ButtonType.Capsule })  
            .onClick(() => {  
              AppRouter.push("pageC")  
            })  
        }  
        .width("50%")  
        .height("30%")  
        .backgroundColor('#ffae2d2d')  
        .transition(  
          TransitionEffect.scale({ x: 0, y: 0 }).animation({  
            duration: 300,  
            curve: Curve.Friction  
          })  
        )  
      }  
      .width("100%")  
      .height("100%")  
    }  
    .mode(NavDestinationMode.DIALOG)  
    .hideTitleBar(true)  
  }  
}  
  
@Component  
struct PageA {  
  @Consume('pageInfos') pageInfos: NavPathStack;  
  
  build() {  
    NavDestination() {  
      Button('push dialogA', { stateEffect: true, type: ButtonType.Capsule })  
        .onClick(() => {  
          AppRouter.openDialog("DefaultDialog");  
        }).margin(10)  
    }.title('PageA')}  
}  
  
@Component  
struct PageC {  
  @Consume('pageInfos') pageInfos: NavPathStack;  
  
  build() {  
    NavDestination() {  
      Column() {  
        Text('pageC')  
          .margin(10)  
        Button('返回', { stateEffect: true, type: ButtonType.Capsule })  
          .onClick(() => {  
            AppRouter.pop();  
          }).margin(10)  
      }  
    }.mode(NavDestinationMode.STANDARD)  
  }  
}  
@Entry  
@Component  
struct pageRoot01 {  
  @Provide('pageInfos') pageInfos: NavPathStack = new NavPathStack()  
  // 显隐控制设置为不占用  
  @State visible: Visibility = Visibility.None  
  @Builder  
  PagesMap(name: string) {  
    if (name == 'pageA') {  
      PageA()  
    } else if (name == 'pageC') {  
      PageC()  
    } else if (name == 'DefaultDialog') {  
      DefaultDialog()  
    }  
  }  
  
  build() {  
    // 在根页面中注册NavPathStack  
    Navigation(AppRouter.getInstance().getPathStack()) {  
      Stack({ alignContent: Alignment.Center }) {  
        Column() {  
          Button('push PageA', { stateEffect: true, type: ButtonType.Capsule })  
            .onClick(() => {  
              AppRouter.push('pageA')  
            })  
        }  
      }  
      .height("100%")  
      .width("100%")  
    }  
    .hideTitleBar(true)  
    .navDestination(this.PagesMap)  
  }  
}  
  
// 封装路由工具类，并注册自定义弹窗组件  
class AppRouter {  
  private static instance = new AppRouter();  
  private pathStack: NavPathStack = new NavPathStack();  
  
  public static getInstance(): AppRouter {  
    return AppRouter.instance;  
  }  
  
  public getPathStack(): NavPathStack {  
    return this.pathStack;  
  }  
  
  private pushPath(name: string): void {  
    this.pathStack.pushPath({ name: name })  
  }  
  
  public static push(name: string): void {  
    AppRouter.instance.pushPath(name);  
  }  
  
  public static openDialog(name: string, params?: RouterParams): void {  
    AppRouter.instance.pathStack.pushPath({  
      name: name, param: params, onPop: (data: PopInfo) => {  
        if (params?.onPop) {  
          params.onPop!(data);  
        }  
      }  
    });  
  }  
  
  public static pop(): void {  
    AppRouter.instance.pathStack.pop();  
  }  
}
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
61.
62.
63.
64.
65.
66.
67.
68.
69.
70.
71.
72.
73.
74.
75.
76.
77.
78.
79.
80.
81.
82.
83.
84.
85.
86.
87.
88.
89.
90.
91.
92.
93.
94.
95.
96.
97.
98.
99.
100.
101.
102.
103.
104.
105.
106.
107.
108.
109.
110.
111.
112.
113.
114.
115.
116.
117.
118.
119.
120.
121.
122.
123.
124.
125.
126.
127.
128.
129.
130.
131.
132.
133.
134.
135.
136.
137.
138.
139.
140.
141.
142.
143.
144.
145.
146.
147.
148.
149.
150.
151.
152.
153.
154.
155.
156.
157.
158.
159.
160.
161.
162.
163.
164.
165.
166.
167.
168.
169.
170.
171.
172.
173.
174.
175.
176.
177.
178.
179.
180.
181.
182.
183.
184.
185.
186.
187.
188.