---
order: 1
title: 带浮层卡片
---

点击展开通知卡片，展现多种类型的通知，通常放在导航工具栏。

```ts
import { Component } from '@angular/core';
import { NoticeIconList, NoticeItem } from '@delon/abc';
import distanceInWordsToNow from 'date-fns/distance_in_words_to_now';
import { NzMessageService } from 'ng-zorro-antd';

@Component({
  selector: 'app-demo',
  template: `
  <div style="text-align: right; height: 64px; line-height: 64px; box-shadow: rgba(0, 21, 41, 0.12) 0 1px 4px; padding: 0 32px; width: 400px;">
    <notice-icon
        [data]="data"
        [count]="count"
        [loading]="loading"
        (select)="select($event)"
        (clear)="clear($event)"
        (popoverVisibleChange)="loadData()"></notice-icon>
  </div>
  `,
})
export class DemoComponent {

  data: NoticeItem[] = [
    { title: '通知', list: [], emptyText: '你已查看所有通知', emptyImage: 'https://gw.alipayobjects.com/zos/rmsportal/wAhyIChODzsoKIOBHcBk.svg', clearText: '清空通知' },
    { title: '消息', list: [], emptyText: '您已读完所有消息', emptyImage: 'https://gw.alipayobjects.com/zos/rmsportal/sAuJeJzSKbUmHfBQRzmZ.svg', clearText: '清空消息' },
    { title: '待办', list: [], emptyText: '你已完成所有待办', emptyImage: 'https://gw.alipayobjects.com/zos/rmsportal/HsIsxMZiWKrNUavQUXqx.svg', clearText: '清空待办' },
  ];
  count = 5;
  loading = false;

  constructor(private msg: NzMessageService) { }

  updateNoticeData(notices: NoticeIconList[]): NoticeItem[] {
    const data = this.data.slice();
    data.forEach(i => i.list = []);

    notices.forEach(item => {
      const newItem = { ...item };
      if (newItem.datetime)
        newItem.datetime = distanceInWordsToNow(item.datetime!, { locale: (window as any).__locale__ });
      if (newItem.extra && newItem.status) {
        newItem.color = ({
          todo: undefined,
          processing: 'blue',
          urgent: 'red',
          doing: 'gold',
        })[newItem.status];
      }
      data.find(w => w.title === newItem.type)!.list.push(newItem);
    });
    return data;
  }

  loadData() {
    if (this.loading) return;
    this.loading = true;
    setTimeout(() => {
      this.data = this.updateNoticeData([{
        id: '000000001',
        avatar: 'https://gw.alipayobjects.com/zos/rmsportal/ThXAXghbEsBCCSDihZxY.png',
        title: '你收到了 14 份新周报',
        datetime: '2017-08-09',
        type: '通知',
      }, {
        id: '000000002',
        avatar: 'https://gw.alipayobjects.com/zos/rmsportal/OKJXDXrmkNshAMvwtvhu.png',
        title: '你推荐的 曲妮妮 已通过第三轮面试',
        datetime: '2017-08-08',
        type: '通知',
      }, {
        id: '000000003',
        avatar: 'https://gw.alipayobjects.com/zos/rmsportal/kISTdvpyTAhtGxpovNWd.png',
        title: '这种模板可以区分多种通知类型',
        datetime: '2017-08-07',
        read: true,
        type: '通知',
      }, {
        id: '000000004',
        avatar: 'https://gw.alipayobjects.com/zos/rmsportal/GvqBnKhFgObvnSGkDsje.png',
        title: '左侧图标用于区分不同的类型',
        datetime: '2017-08-07',
        type: '通知',
      }, {
        id: '000000005',
        avatar: 'https://gw.alipayobjects.com/zos/rmsportal/ThXAXghbEsBCCSDihZxY.png',
        title: '内容不要超过两行字，超出时自动截断',
        datetime: '2017-08-07',
        type: '通知',
      }, {
        id: '000000006',
        avatar: 'https://gw.alipayobjects.com/zos/rmsportal/fcHMVNCjPOsbUGdEduuv.jpeg',
        title: '曲丽丽 评论了你',
        description: '描述信息描述信息描述信息',
        datetime: '2017-08-07',
        type: '消息',
      }, {
        id: '000000007',
        avatar: 'https://gw.alipayobjects.com/zos/rmsportal/fcHMVNCjPOsbUGdEduuv.jpeg',
        title: '朱偏右 回复了你',
        description: '这种模板用于提醒谁与你发生了互动，左侧放『谁』的头像',
        datetime: '2017-08-07',
        type: '消息',
      }, {
        id: '000000008',
        avatar: 'https://gw.alipayobjects.com/zos/rmsportal/fcHMVNCjPOsbUGdEduuv.jpeg',
        title: '标题',
        description: '这种模板用于提醒谁与你发生了互动，左侧放『谁』的头像',
        datetime: '2017-08-07',
        type: '消息',
      }, {
        id: '000000009',
        title: '任务名称',
        description: '任务需要在 2017-01-12 20:00 前启动',
        extra: '未开始',
        status: 'todo',
        type: '待办',
      }, {
        id: '000000010',
        title: '第三方紧急代码变更',
        description: '冠霖提交于 2017-01-06，需在 2017-01-07 前完成代码变更任务',
        extra: '马上到期',
        status: 'urgent',
        type: '待办',
      }, {
        id: '000000011',
        title: '信息安全考试',
        description: '指派竹尔于 2017-01-09 前完成更新并发布',
        extra: '已耗时 8 天',
        status: 'doing',
        type: '待办',
      }, {
        id: '000000012',
        title: 'ABCD 版本发布',
        description: '冠霖提交于 2017-01-06，需在 2017-01-07 前完成代码变更任务',
        extra: '进行中',
        status: 'processing',
        type: '待办',
      }]);

      this.loading = false;
    }, 1000);
  }

  clear(type: string) {
    this.msg.success(`清空了 ${type}`);
  }

  select(res: any) {
    this.msg.success(`点击了 ${res.title} 的 ${res.item.title}`);
  }
}
```