<script lang="ts" setup>
import { ElMessage } from 'element-plus'
import { useLinenetStore } from '../pages/index/uses/linenet'
const linenetStore = useLinenetStore()
// 创建一个变量用来存储数据
interface IvehicleData {
data: any
timestamp: number
}
const vehicleDatas: Ref<IvehicleData[]> = ref([])
let sgin = false
// 添加数据，自动附带时间戳
function addData(newData: any) {
const newItem: IvehicleData = {
data: newData,
timestamp: Date.now(),
}
vehicleDatas.value.push(newItem)
}
// 清理过期数据
function cleanExpiredData() {
vehicleDatas.value = []
}
// 导出数据到本地
function exportData() {
const dataToExport = JSON.stringify(vehicleDatas.value.map((item: any) => item.data), null, 2)
const blob = new Blob([dataToExport], { type: 'text/json' })
const url = URL.createObjectURL(blob)
const a = document.createElement('a')
a.href = url
a.download = 'vehicleData10min.json'
document.body.appendChild(a)
a.click()
document.body.removeChild(a)
URL.revokeObjectURL(url)
}
function startClick() {
if (sgin)
return
ElMessage({
message: '导出开始!',
type: 'success',
})
sgin = true
setTimeout(() => {
sgin = false
exportData()
cleanExpiredData()
ElMessage({
message: '导出完成!',
type: 'success',
})
}, 60000) // 10min = 600000s 1min=60000s
}
watch(() => linenetStore.unityVehicles, (newVal) => {
if (!sgin)
return
// 添加数据
addData(newVal)
})
</script>
<template>
<div
class="text-center"
>
<button style="padding: 4px; cursor: pointer; font-size: 14px;" @click="startClick">
导出数据
</button>
</div>
</template>