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klp-mono/apps/hand-factory/utils/socketMeasure.js

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import config from '@/config'
/**
* 测量数据 WebSocket l2/socket/index.vue 类似
* 默认订阅 type=track_measure
*/
export function createMeasureSocket({
type = 'track_measure',
onOpen,
onClose,
onError,
onMessage
} = {}) {
let socket = null
let manualClose = false
const wsBase = (config.wsUrl || config.baseUrl || '').replace(/^http/, 'ws')
const url = `${wsBase}/websocket?type=${type}`
console.log(url)
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function connect() {
manualClose = false
// 使用 uni.connectSocket 建立连接(部分运行环境可能不支持 WebSocket会直接抛异常
try {
socket = uni.connectSocket({
url,
success() {
console.log('connectSocket 调用成功,等待 onOpen 回调')
},
fail(err) {
console.error('connectSocket 调用失败:', err)
onError && onError(err)
}
})
} catch (err) {
console.error('connectSocket 执行异常(可能环境不支持 WebSocket:', err)
onError && onError(err)
return
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}
if (!socket) {
console.error('connectSocket 未返回有效 socketTask')
return
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}
// 正确的事件注册方式socketTask.onOpen / onMessage / onError / onClose
socket.onOpen((res) => {
console.log('WebSocket 已打开', res)
onOpen && onOpen(res)
})
socket.onMessage((evt) => {
// H5 为 evt.data小程序为 evt.data统一兼容
const data = evt && (evt.data || evt)
onMessage && onMessage(data)
})
socket.onError((err) => {
console.error('WebSocket 发生错误:', err)
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onError && onError(err)
})
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socket.onClose((evt) => {
console.log('WebSocket 已关闭', evt)
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onClose && onClose(evt)
if (!manualClose) {
setTimeout(connect, 3000)
}
})
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}
function close() {
manualClose = true
if (socket) {
socket.close(1000, 'client close')
socket = null
}
}
function send(data) {
if (!socket) {
console.error('WebSocket 未初始化,无法发送消息')
return
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}
// uni-app 的 socketTask.send 使用对象形式
socket.send({
data: JSON.stringify(data),
fail(err) {
console.error('发送 WebSocket 消息失败:', err)
}
})
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}
return { connect, close, send }
}