44 lines
1.0 KiB
JavaScript
44 lines
1.0 KiB
JavaScript
/**
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* 设备详情页：进入/回到页面时启动定时器，每 5s 调用 getxq() 拉取详情；
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* 隐藏、卸载或切换离开页面时清除定时器。
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*/
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const POLL_INTERVAL_MS = 5000
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export default {
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data() {
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return {
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_deviceDetailPollTimer: null,
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}
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},
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onShow() {
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this._startDeviceDetailPoll()
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},
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onHide() {
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this._stopDeviceDetailPoll()
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},
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onUnload() {
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this._stopDeviceDetailPoll()
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},
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onBeforeUnmount() {
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this._stopDeviceDetailPoll()
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},
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methods: {
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_startDeviceDetailPoll() {
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this._stopDeviceDetailPoll()
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if (typeof this.getxq !== 'function') return
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if (this.id === '' || this.id === null || this.id === undefined) return
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this._deviceDetailPollTimer = setInterval(() => {
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if (typeof this.getxq !== 'function') return
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if (this.id === '' || this.id === null || this.id === undefined) return
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this.getxq()
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}, POLL_INTERVAL_MS)
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},
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_stopDeviceDetailPoll() {
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if (this._deviceDetailPollTimer != null) {
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clearInterval(this._deviceDetailPollTimer)
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this._deviceDetailPollTimer = null
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}
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},
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},
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}
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