161 lines
3.6 KiB
Vue
161 lines
3.6 KiB
Vue
<template>
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<view>
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<page-head title="websocket通讯示例"></page-head>
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<view class="uni-padding-wrap">
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<view class="uni-btn-v">
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<view class="websocket-msg">{{showMsg}}</view>
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<button type="primary" @click="connect">连接websocket服务</button>
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<button v-show="connected" type="primary" @click="send">发送一条消息</button>
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<button type="primary" @click="close">断开websocket服务</button>
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<view class="websocket-tips">发送消息后会收到一条服务器返回的消息（与发送的消息内容一致）</view>
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</view>
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</view>
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</view>
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</template>
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<script>
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let platform = uni.getSystemInfoSync().platform
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export default {
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data() {
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return {
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connected: false,
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connecting: false,
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socketTask: false,
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msg: false,
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}
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},
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computed: {
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showMsg() {
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if (this.connected) {
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if (this.msg) {
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return '收到消息：' + this.msg
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} else {
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return '等待接收消息'
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}
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} else {
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return '尚未连接'
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}
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}
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},
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onUnload() {
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uni.hideLoading()
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if (this.socketTask && this.socketTask.close) {
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this.socketTask.close()
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}
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},
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methods: {
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connect() {
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if (this.connected || this.connecting) {
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uni.showModal({
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content: '正在连接或者已经连接，请勿重复连接',
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showCancel: false
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})
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return false
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}
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this.connecting = true
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uni.showLoading({
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title: '连接中...'
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})
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this.socketTask = uni.connectSocket({
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url: 'wss://echo.websocket.org',
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data() {
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return {
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msg: 'Hello'
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}
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},
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// #ifdef MP
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header: {
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'content-type': 'application/json'
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},
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// #endif
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// #ifdef MP-WEIXIN
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method: 'GET',
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// #endif
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success(res) {
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// 这里是接口调用成功的回调，不是连接成功的回调，请注意
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},
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fail(err) {
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// 这里是接口调用失败的回调，不是连接失败的回调，请注意
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}
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})
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console.log(this.socketTask);
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this.socketTask.onOpen((res) => {
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this.connecting = false
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this.connected = true
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uni.hideLoading()
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uni.showToast({
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icon: 'none',
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title: '连接成功'
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})
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console.log('onOpen', res);
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})
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this.socketTask.onError((err) => {
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this.connecting = false
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this.connected = false
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uni.hideLoading()
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uni.showModal({
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content: '连接失败，可能是websocket服务不可用，请稍后再试',
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showCancel: false
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})
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console.log('onError', err);
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})
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this.socketTask.onMessage((res) => {
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this.msg = res.data
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console.log('onMessage', res)
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})
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this.socketTask.onClose((res) => {
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this.connected = false
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this.startRecive = false
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this.socketTask = false
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this.msg = false
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console.log('onClose', res)
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})
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console.log('task', this.socketTask)
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},
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send() {
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this.socketTask.send({
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data: 'from ' + platform + ' : ' + parseInt(Math.random() * 10000).toString(),
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success(res) {
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console.log(res);
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},
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fail(err) {
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console.log(err);
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}
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})
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},
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close() {
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if (this.socketTask && this.socketTask.close) {
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this.socketTask.close()
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}
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}
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}
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}
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</script>
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<style>
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.uni-btn-v {
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padding: 10rpx 0;
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}
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.uni-btn-v button {
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margin: 20rpx 0;
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}
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.websocket-msg {
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padding: 40px 0px;
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text-align: center;
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font-size: 14px;
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line-height: 40px;
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color: #666666;
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}
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.websocket-tips{
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padding: 40px 0px;
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text-align: center;
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font-size: 14px;
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line-height: 24px;
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color: #666666;
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}
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</style>
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