v0.12+
WebSockets is an advanced technology that makes it possible to open an interactive communication session between the user's H5/iOS/android and a server. With this API, you can send messages to a server and receive event-driven responses without having to poll the server for a reply
WebSocket(url, protocol)
create websocket
url {string}
:The URL to which to connect;protocol {string}
:the websocket protocolsend(data)
Transmits data to the server over the WebSocket connection
data {string}
:A text string to send to the server.close(code,reason)
Closes the WebSocket connection or connection attempt, if any. If the connection is already CLOSED, this method does nothing.
code {number}
: the status code explaining why the connection is being closed.reason {string}
:a string explaining why the connection is closingonopen(options)
An event listener to be called when the WebSocket connection's readyState changes to OPEN; this indicates that the connection is ready to send and receive data.
options {object}
:an empty objectonmessage(options)
An event listener to be called when a message is received from the server
options {object}
:the server message optionsdata {string}
: The listener received messageonclose(options)
An event listener to be called when the WebSocket connection's readyState changes to CLOSED
options {object}
:the CloseEvent is sent to clients using WebSockets when the connection is closedcode {number}
: Returns an unsigned short containing the close code send by the serverreason {string}
: Returns a string indicating the reason the server closed the connectionwasClean {boolen}
: Returns a Boolean that Indicates whether or not the connection was cleanly closed.onerror(options)
An event listener to be called when an error occurs.
options {object}
:the error eventdata {string}
: The listener received error data<template> <scroller> <div> <div style="background-color: #286090"> <text class="title" style="height: 80px ;padding: 20px;color: white">websocket</text> </div> <input type="text" placeholder="please input message to send" class="input" autofocus="false" value="" @change="onchange" @input="oninput" ref="input"/> <div style="flex-direction: row; justify-content: center;"> <text class="button" @click="connect">connect</text> <text class="button" @click="send">send</text> <text class="button" @click="close">close</text> </div> <div style="background-color: lightgray"> <text class="title" style="height: 80px ;padding: 20px;color: black">method = send</text> </div> <text style="color: black;height: 80px">{{sendinfo}}</text> <div style="background-color: lightgray"> <text class="title" style="height: 80px ;padding: 20px;color: black">method = onopen</text> </div> <text style="color: black;height: 80px">{{onopeninfo}}</text> <div style="background-color: lightgray"> <text class="title" style="height: 80px ;padding: 20px;color: black">method = onmessage</text> </div> <text style="color: black;height: 400px">{{onmessage}}</text> <div style="background-color: lightgray"> <text class="title" style="height: 80px ;padding: 20px;color: black">method = onclose</text> </div> <text style="color: black;height: 80px">{{oncloseinfo}}</text> <div style="background-color: lightgray"> <text class="title" style="height: 80px ;padding: 20px;color: black">method = onerror</text> </div> <text style="color: black;height: 80px">{{onerrorinfo}}</text> <div style="background-color: lightgray"> <text class="title" style="height: 80px ;padding: 20px;color: black">method = close</text> </div> <text style="color: black;height: 80px">{{closeinfo}}</text> </div> </scroller> </template> <style scoped> .input { font-size: 40px; height: 80px; width: 600px; } .button { font-size: 36px; width: 150px; color: #41B883; text-align: center; padding-top: 25px; padding-bottom: 25px; border-width: 2px; border-style: solid; margin-right: 20px; border-color: rgb(162, 217, 192); background-color: rgba(162, 217, 192, 0.2); } </style> <script> var websocket = weex.requireModule('webSocket') export default { data () { return { connectinfo: '', sendinfo: '', onopeninfo: '', onmessage: '', oncloseinfo: '', onerrorinfo: '', closeinfo: '', txtInput:'', navBarHeight: 88, title: 'Navigator', dir: 'examples', baseURL: '' } }, methods: { connect:function() { websocket.WebSocket('ws://echo.websocket.org',''); var self = this; self.onopeninfo = 'connecting...' websocket.onopen = function(e) { self.onopeninfo = 'websocket open'; } websocket.onmessage = function(e) { self.onmessage = e.data; } websocket.onerror = function(e) { self.onerrorinfo = e.data; } websocket.onclose = function(e) { self.onopeninfo = ''; self.onerrorinfo = e.code; } }, send:function(e) { var input = this.$refs.input; input.blur(); websocket.send(this.txtInput); this.sendinfo = this.txtInput; }, oninput: function(event) { this.txtInput = event.value; }, close:function(e) { websocket.close(); }, }, } </script>