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@tuoyuan/vue-event-bus

v1.0.1

Published

事件总线

Downloads

3

Readme

event-bus 事件总线

本项目提供统一事件总线调用方法。

一、接入步骤

  1. 入口文件src/main.js注册插件;
// 1. 引入js文件
import * as EventBus from 'event-bus';

const app = createApp(App);

// 2. 注册插件
app.use(EventBus);
  1. 使用bus
// vue中使用,useEventBus内置了组件销毁时取消监听逻辑
import { useEventBus } from 'event-bus';
const bus = useEventBus();

// js中使用
import { bus } from 'event-bus';

二、方法说明

1.监听事件($on)

  • 参数说明

| 属性 | 类型 | 是否必须 | 说明 | | -------- | ---------------- | -------- | -------- | | name | string | true | 事件名称 | | callback | EventBusCallback | true | 回调方法 |

  • 示例
bus.$on('name', console.log);

2.仅监听一次事件($once)

  • 参数说明

| 属性 | 类型 | 是否必须 | 说明 | | -------- | ---------------- | -------- | -------- | | name | string | true | 事件名称 | | callback | EventBusCallback | true | 回调方法 |

  • 示例
bus.$once('name', console.log);

3.取消监听事件($off)

  • 参数说明

| 属性 | 类型 | 是否必须 | 说明 | | -------- | ---------------- | -------- | ---------------------------------------------- | | name | string | true | 事件名称 | | callback | EventBusCallback | false | 回调方法,不传值时取消所有监听此事件的回调方法 |

  • 示例
bus.$off('name', console.log);

4.发送事件($emit)

  • 参数说明

| 属性 | 类型 | 是否必须 | 说明 | | ------- | ------------ | -------- | -------- | | name | string | true | 事件名称 | | payload | EventPayload | false | 携带数据 |

  • 示例
bus.$emit('name', '业务数据');