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							- <template>
 
- 	<view>
 
- 		<page-head :title="title"></page-head>
 
- 		<view class="uni-padding-wrap uni-common-mt">
 
- 			<view class="uni-title"> <uni-icons size="16" type="info"></uni-icons>说明 : </view>
 
- 			<view class="uni-helllo-text">
 
- 				<view
 
- 					>在App端可在pages.json里配置buttons,暂不支持动态改变buttons的样式,使用onNavigationBarButtonTap可监听红点按钮的点击事件。</view
 
- 				>
 
- 			</view>
 
- 		</view>
 
- 	</view>
 
- </template>
 
- <script>
 
- export default {
 
- 	data() {
 
- 		return {
 
- 			title: 'nav-dot'
 
- 		};
 
- 	},
 
- 	onReady() {
 
- 		this.setStyle(0,true);
 
- 		this.setStyle(1,true,'9');
 
- 	},
 
- 	methods: {
 
- 		/**
 
- 		 * 修改导航栏buttons
 
- 		 * index[number] 修改的buttons 下标索引,最右边索引为0
 
- 		 * show[boolean] 显示还是隐藏角标或者红点
 
- 		 * text[string] 需要修改的角标的text 内容 ,如果定义redDot 此参数无效 ,如果定义badgeText请设置具体,如果不用输入
 
- 		 */
 
- 		setStyle(index, show,text) {
 
- 			let pages = getCurrentPages();
 
- 			let page = pages[pages.length - 1];
 
- 			// #ifdef APP-PLUS
 
- 			let currentWebview = page.$getAppWebview();
 
- 			if(show){
 
- 				if(index === 0){
 
- 					currentWebview.showTitleNViewButtonRedDot({index:index,text:text})
 
- 				}else{
 
- 					currentWebview.setTitleNViewButtonBadge({index:index,text:text})
 
- 				}
 
- 			}else{
 
- 				if(index === 0){
 
- 					currentWebview.hideTitleNViewButtonRedDot({index:index})
 
- 				}else{
 
- 					currentWebview.removeTitleNViewButtonBadge({index:index})
 
- 				}
 
- 			}
 
- 			
 
- 			// #endif
 
- 		}
 
- 	},
 
- 	onNavigationBarButtonTap(e) {
 
- 		uni.showToast({
 
- 			title: e.index === 0 ? '你点了消息按钮' : '你点了关注按钮', 
 
- 			icon: 'none'
 
- 		});
 
- 		// 取消红点或者角标 
 
- 		this.setStyle(e.index,false);
 
- 	}
 
- };
 
- </script>
 
- <style></style>
 
 
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