SOURCE

var today = new Date()
var y = today.getFullYear()
var m = today.getMonth() + 1
var d = today.getDate()
var beginTime = `${y}-${m}-${d} 08:00:01`; // 开抢时间
var orderDate = `${y}-${m}-${d+6}`
var orderTimes = [
    "10:00-10:30",
    "10:30-11:00",
    "11:00-11:30",
    "14:30-15:00",
    "09:30-10:00",
    "09:00-09:30",
    "15:00-15:30",
    "15:30-16:00",
    "16:00-16:30",
    "16:30-17:00",
    "08:30-09:00"
]
var basicInfo = {
    equipmentId: 'c689602c8595d61d6e06d05e5d719034',
    equipmentName: '流式分析仪',
    phone: "15927056970",
}
const params = orderTimes.map(t => ({
    orderTime: t,
    orderDate: orderDate,
    ...basicInfo
}))
var delay = 40; // 倒计时精度：20毫秒
var repeat = 20; // 抢几次
var count = 0;
var done = false; // 是否抢到
var rootVue = document.getElementById('app').__vue__;
var add = rootVue.$api.reserveManagement.orderRecord.add
var queryEquipmentAndOrderRecordsByIdEx = rootVue.$api.laboratoryEquipmentManagement.equipment.queryEquipmentAndOrderRecordsByIdEx
var getUser = rootVue.$api.basicDataManagement.login.getLoginInfo

async function run() {
    let delayTime = await getDelayTime();
    let beginTimestamp = new Date(beginTime).getTime() + delayTime
    console.log("开始时间：",new Date(beginTimestamp))
    const countdownTimer = setInterval(() => {
        let startTime = (Date.now() - beginTimestamp) / 1000;
        // 还没到开抢时间
        if (startTime < 0) {
            console.log(`倒计时 ${-parseInt(startTime)} 秒`)
            return
        }
        // 到了开抢时间
        else {
            sendData()
            clearInterval(countdownTimer)
        }
    }, delay)
}

// 提交信息
async function sendData() {
    let orderTimes = await getOrderTimes();
    await getUser()
    let data = params.find(v => !orderTimes.includes(v.orderTime))
    if (data) {
        await sendAjax(data)
    } else {
        // 已经被抢完了
         rootVue.$message.error("已经被抢光了")
        return
    }
    console.log("------- 等待0.5秒 ---------")
    await sleep(500)
    if (count > repeat) return
    else sendData()
    count++
}

async function sendAjax(data) {
    try {
        let t = await add(data)
        if ("A00000" == t.code) {
            rootVue.$message.success("申请成功")
        }
        return t
    } catch (e) {
        console.log(e)
    }
}
async function getOrderTimes() {
    try {
        let { data: { orderTimes } } = await queryEquipmentAndOrderRecordsByIdEx(basicInfo.equipmentId, orderDate)
        return orderTimes
    } catch (e) {
        console.log(e)
    }
}
const sleep = delay => new Promise(res => setTimeout(res, delay));
async function getDelayTime() {
    try {
        let { date } = await queryEquipmentAndOrderRecordsByIdEx(basicInfo.equipmentId, orderDate)
        let delay = Date.now() - new Date(date)
        console.log("服务器时间：",date)
        console.log("浏览器时间：",new Date(Date.now()))
        console.log("延迟时间:",delay)
        return delay >0 ? delay:0
    } catch (e) {
        console.log(e)
        return 0
    }
}
run()