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wx-websocket

v1.0.0

Published

Socket CLient for WX mini app

Downloads

1

Readme

wxWebSocket

专门为微信小程序封装的webSocket库,对服务端有特定要求:

1、若客户端想要订阅某个业务,则利用 send 方法,传递包含 {biz: '业务特征值'} 的数据给服务端

2、服务端接受到包含 biz 特征值的数据,处理客户端订阅问题

3、服务端若想推送特定的业务数据,返回的数据中,需要包含 biz 特征值

使用方法

    // import ...
    import WxSocket from 'wx-websocket';

    // use...

    let socket = new WxSocket(url, protocols?, header?);

    // socket 对象为官方的 SocketTask 对象,支持官方目前所有的方法及事件

提供 subscribe 方法,接受三个参数:

subscribe(biz: String, otherParams: Object = {}, callback: Function)

    biz:需要订阅的业务特征值

    otherParams,订阅时传递的参数
    
    callback:订阅成功的回调函数

提供 on 方法,用于监听事件,注册回调,内部基础事件有如下:

export enum ScoketEventName {
    CONNECTING = 'connecting',
    ISOPEN = 'isopen',
    CLOSING = 'closing',
    CLOSED = 'closed'
}

特别提示:

如果使用 subscribe 对事件 (eventA) 进行订阅后,服务端推送的数据中若包含 biz 字段,将不会触发 socket.onMessage 事件,内部会使用 emit 方法触发订阅,外部只能通过 socket.on('eventA', callback) 接受到数据