文档地址
https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/ts-methods-custom-dialog-box-V5
示例1
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@CustomDialog struct CustomDialogExample{ controller?: CustomDialogController build(){ Column(){ Text('这是自定义弹窗') Button('关闭') .onClick(() => { if(this.controller != undefined){ this.controller.close() } }) } } } @Entry @Component struct Index { @State inputValue: string = 'click me' dialogController: CustomDialogController | null = new CustomDialogController({ builder: CustomDialogExample() }) build() { Column(){ Button(this.inputValue) .onClick(() => { this.dialogController?.open() }) } } } |
示例2
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@CustomDialog struct CustomDialogExampleTwo { controllerTwo?: CustomDialogController build() { Column() { Text('The Second Dialog') .fontSize(20) .height(100) Button('Close') .margin(20) .onClick(() => { if (this.controllerTwo != undefined) { this.controllerTwo.close() } }) } } } @CustomDialog @Component struct CustomDialogExample { @Link textValue: string @Link inputValue: string controller?: CustomDialogController dialogControllerTwo: CustomDialogController | null = new CustomDialogController({ builder: CustomDialogExampleTwo(), alignment: DialogAlignment.Bottom, onWillDismiss: (dismissDialogAction: DismissDialogAction) => { console.info("reason=" + JSON.stringify(dismissDialogAction.reason)) console.log("dialog onWillDismiss") if (dismissDialogAction.reason == DismissReason.PRESS_BACK) { dismissDialogAction.dismiss() } if (dismissDialogAction.reason == DismissReason.TOUCH_OUTSIDE) { dismissDialogAction.dismiss() } }, offset: { dx: 0, dy: -25 } }) cancel: () => void = () => { } confirm: () => void = () => { } build() { Column() { Text('Change text') .fontSize(20) .margin({ top: 10, bottom: 10 }) TextInput({ placeholder: '', text: this.textValue }) .height(60) .width('90%') .onChange((value: string) => { this.textValue = value }) Text('Whether to change a text?') .fontSize(16) .margin({ bottom: 10 }) Flex({ justifyContent: FlexAlign.SpaceAround }) { Button('cancel') .onClick(() => { if (this.controller != undefined) { this.controller.close() this.cancel() } }).backgroundColor(0xffffff).fontColor(Color.Black) Button('confirm') .onClick(() => { if (this.controller != undefined) { this.inputValue = this.textValue this.controller.close() this.confirm() } }).backgroundColor(0xffffff).fontColor(Color.Black) }.margin({ bottom: 10 }) Button('Open the second dialog') .onClick(() => { if (this.dialogControllerTwo != undefined) { this.dialogControllerTwo.open() } }) .margin(20) }.borderRadius(10) } } @Entry @Component struct Index { @State textValue: string = '' @State inputValue: string = 'click me' dialogController: CustomDialogController | null = new CustomDialogController({ builder: CustomDialogExample({ textValue: $textValue, inputValue: $inputValue, cancel: () => { this.onCancel() }, confirm: () => { this.onAccpet() } }), cancel: this.exitApp, autoCancel: true, onWillDismiss: (dismissDialogAction: DismissDialogAction) => { console.info("reason=" + JSON.stringify(dismissDialogAction.reason)) console.log("dialog onWillDismiss") if (dismissDialogAction.reason == DismissReason.PRESS_BACK) { dismissDialogAction.dismiss() } if (dismissDialogAction.reason == DismissReason.TOUCH_OUTSIDE) { dismissDialogAction.dismiss() } }, alignment: DialogAlignment.Bottom, offset: { dx: 0, dy: -20 }, gridCount: 4, customStyle: false, cornerRadius: 10 }) aboutToDisappear(): void { this.dialogController = null } onCancel() { console.info('Callback when the first button is clicked') } onAccpet() { console.info('Callback when the second button is clicked') } exitApp() { console.info('Click the callback in the blank area') } build() { Column() { Button(this.inputValue) .onClick(() => { if (this.dialogController != undefined) { this.dialogController.open() } }) }.width('100%').margin({ top: 5 }) } } |
示例3
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@CustomDialog struct CustomDialogExample { controller?: CustomDialogController cancel: () => void = () => { } confirm: () => void = () => { } build() { Column() { Text('可展示在主窗口外的弹窗') .fontSize(30) .height(100) Button('Close') .onClick(() => { if (this.controller != undefined) { this.controller.close() } }) .margin(20) } } } @Entry @Component struct CustomDialogUser { dialogController: CustomDialogController | null = new CustomDialogController({ builder: CustomDialogExample({ cancel: () => { this.onCancel() }, confirm: () => { this.onAccept() } }), cancel: this.existApp, autoCancel: true, onWillDismiss: (dismissDialogAction: DismissDialogAction) => { console.info("reason=" + JSON.stringify(dismissDialogAction.reason)) console.log("dialog onWillDismiss") if (dismissDialogAction.reason == DismissReason.PRESS_BACK) { dismissDialogAction.dismiss() } if (dismissDialogAction.reason == DismissReason.TOUCH_OUTSIDE) { dismissDialogAction.dismiss() } }, alignment: DialogAlignment.Center, offset: { dx: 0, dy: -20 }, gridCount: 4, showInSubWindow: true, isModal: true, customStyle: false, cornerRadius: 10, }) aboutToDisappear() { this.dialogController = null } onCancel() { console.info('Callback when the first button is clicked') } onAccept() { console.info('Callback when the second button is clicked') } existApp() { console.info('Click the callback in the blank area') } build() { Column() { Button('click me') .onClick(() => { if (this.dialogController != null) { this.dialogController.open() } }).backgroundColor(0x317aff) }.width('100%').margin({ top: 5 }) } } |
示例4
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@CustomDialog struct CustomDialogExample { controller?: CustomDialogController cancel: () => void = () => { } confirm: () => void = () => { } build() { Column() { Text('这是自定义弹窗') .fontSize(30) .height(100) Button('点我关闭弹窗') .onClick(() => { if (this.controller != undefined) { this.controller.close() } }) .margin(20) } } } @Entry @Component struct CustomDialogUser { dialogController: CustomDialogController | null = new CustomDialogController({ builder: CustomDialogExample({ cancel: () => { this.onCancel() }, confirm: () => { this.onAccept() } }), cancel: this.existApp, autoCancel: true, onWillDismiss: (dismissDialogAction: DismissDialogAction) => { console.info("reason=" + JSON.stringify(dismissDialogAction.reason)) console.log("dialog onWillDismiss") if (dismissDialogAction.reason == DismissReason.PRESS_BACK) { dismissDialogAction.dismiss() } if (dismissDialogAction.reason == DismissReason.TOUCH_OUTSIDE) { dismissDialogAction.dismiss() } }, alignment: DialogAlignment.Center, offset: { dx: 0, dy: -20 }, customStyle: false, cornerRadius: 20, width: 300, height: 200, borderWidth: 1, borderStyle: BorderStyle.Dashed, //使用borderStyle属性，需要和borderWidth属性一起使用 borderColor: Color.Blue, //使用borderColor属性，需要和borderWidth属性一起使用 backgroundColor: Color.White, shadow: ({ radius: 20, color: Color.Grey, offsetX: 50, offsetY: 0 }), }) // 在自定义组件即将析构销毁时将dialogController置空 aboutToDisappear() { this.dialogController = null // 将dialogController置空 } onCancel() { console.info('Callback when the first button is clicked') } onAccept() { console.info('Callback when the second button is clicked') } existApp() { console.info('Click the callback in the blank area') } build() { Column() { Button('click me') .onClick(() => { if (this.dialogController != null) { this.dialogController.open() } }).backgroundColor(0x317aff) }.width('100%').margin({ top: 5 }) } } |
