HarmonyOS 鸿蒙Next notificationManager实现消息通知发送，通知栏，横幅弹出（提示音，震动）

import { notificationManager } from ‘@kit.NotificationKit’;
import { TAG } from ‘@ohos/hypium/src/main/Constant’;
import { BusinessError } from ‘@kit.BasicServicesKit’;

@Entry
@Component
struct Index3 {
  build(){
    Column(){
      Button(‘发送通知1’)
        .width(‘50%’)
        .margin({bottom:10})
        .onClick(() => {
          publishNotification(“test”,“111”,1)
        })
      Button(‘发送通知2’)
        .width(‘50%’)
        .margin({bottom:10})
        .onClick(() => {
          publishNotification(“test2”,“222”,2)
        })
      Button(‘发送通知3’)
        .width(‘50%’)
        .margin({bottom:10})
        .onClick(() => {
          publishNotification(“test3”,“333”,3)
        })
    }
    .margin({top:100,left:20})
  }
}

function publishNotification(title: string, content: string, pushId: number) {
  let notificationRequest: notificationManager.NotificationRequest = {
    content: {
      notificationContentType: notificationManager.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
      normal: { title: title, text: content, },
    },
    notificationSlotType: notificationManager.SlotType.SOCIAL_COMMUNICATION, //通道类型
    id: pushId, //通知ID，默认为0
    deliveryTime: Date.now(), //通知发送时间
    showDeliveryTime: true, //是否显示分发时间
    label: ‘Avatr’, //通知标签
  };
  let addSlotCallBack = (err: BusinessError): void => {
    if (err) {
      console.error(addSlot failed, code is ${err.code}, message is ${err.message});
    } else {
    }
  }
  notificationManager.addSlot(notificationManager.SlotType.SOCIAL_COMMUNICATION, addSlotCallBack);
  notificationManager.publish(notificationRequest, (err: BusinessError) => {
    if (err) {
      console.error(TAG, Failed to publish notification. Code is ${err.code}, message is ${err.message});
      return;
    }
    console.error(TAG, ‘Succeeded in publishing notification.’);
  });
}