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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>ZZES REALTIME EXCEL</title>
<link rel="stylesheet" href="jexcel.css">
<link rel="stylesheet" href="jsuites.css">
<style>
.loading {
display: flex;
align-items: center;
justify-content: center;
position: fixed;
left: 0;
top: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
</style>
</head>
<body>
<div class="loading">loading...</div>
<div>
<input type="file" onchange="fileUpload(event)">
<span>online: <span id="online-number"></span></span>
</div>
<div id="spreadsheet"></div>
<script src="jsuites.js"></script>
<script src="jexcel.js"></script>
<script src="xlsx.full.min.js"></script>
<script>
let defaultData = []
for (let i = 0; i < 100; i++) {
defaultData.push([])
}
window.onload = () => {
document.body.removeChild(document.querySelector('.loading'))
}
// 用于判断数据是否是ws推送过来
let comeFromData = ''
let comeFromInsert = ''
// ws连接对象
class WSClient {
constructor (url) {
this.url = url
this.ws = ''
this.timeoutId = null
}
init (excelInstance) {
this.ws = new WebSocket(this.url)
this.ws.onopen = () => {
if (this.ws.readyState === 1) {
// 心跳
this.ws.send(JSON.stringify({type:'checkalive'}))
this.ws.keepAliveTimer = setInterval(() => {
if (this.ws.bufferedAmount === 0 && this.ws.readyState === 1) {
this.ws.send(JSON.stringify({type:'checkalive'}))
}
}, 60000)
// 重新进入页面, 获取历史数据
this.ws.send(JSON.stringify({type: 'new'}))
}
}
this.ws.onmessage = res => {
try {
const msg = JSON.parse(res.data)
const data = msg.data
switch (msg.type) {
case 'excelChange':
const oldData = excelInstance.getValueFromCoords(data.x, data.y)
if (data.value !== oldData) {
comeFromData = `${data.x}${data.y}${data.value}`
excelInstance.setValueFromCoords(data.x, data.y, data.value)
}
break
case 'history':
if (msg.has) {
excelInstance.setData(data)
}
break
case 'excelInsert':
comeFromInsert = `${data.mixed}${data.rowNumber}${data.insertBefore}`
excelInstance.insertRow(data.mixed, data.rowNumber, data.insertBefore)
break
case 'importExcel':
excelInstance.setData(data)
break
case 'peopleNumber':
const numberDom = document.getElementById('online-number')
numberDom.innerText = data.total ? data.total : 1
numberDom.setAttribute('title', data.peopleArr.join('\n'))
break
}
} catch (error) {
}
}
this.ws.onerror = () => {}
this.ws.onclose = e => {
if (e.code === 23333) return
clearInterval(this.ws.keepAliveTimer)
// 判断是否断网
if (!window.navigator.onLine) {
this.ws.close(23333)
} else {
// 一分钟重连一次
this.timeoutId = setTimeout(() => {
this.ws.close(23333)
this.ws = new WebSocket(this.url)
clearTimeout(this.timeoutId)
}, 60000)
}
}
}
}
// 创建excel实例
const mySpreadsheet = jexcel(document.getElementById('spreadsheet'), {
data: defaultData,
columns: [{
type: 'text',
width: 200,
},
{
type: 'text',
width: 200,
},
{
type: 'text',
width: 200,
},
{
type: 'text',
width: 200,
},
{
type: 'text',
width: 200,
},
{
type: 'text',
width: 200,
}
],
tableOverflow: true, // 允许滚动
tableHeight: window.innerHeight, // 最大高度
allowDeleteRow: false,
allowDeleteColumn: false,
// allowManualInsertRow: false,
allowManualInsertColumn: false,
oninsertrow: excelInsertRow,
onchange: excelChange
})
/**
* 表格修改触发
*/
function excelChange (el, currentel, x, y, nv, ov) {
if (comeFromData === `${x}${y}${nv}`) {
comeFromData = ''
return
}
if (nv !== ov) {
const obj = {
x: x,
y: y,
value: nv
}
if (client.ws.readyState === 1) {
client.ws.send(JSON.stringify({
type: 'excelChange',
data: obj,
total: mySpreadsheet.getData()
}))
}
}
}
/**
* 表格插入新行触发
*/
function excelInsertRow (el, rowNumber, numOfRows, rowRecords, insertBefore) {
if (comeFromInsert === `${numOfRows}${rowNumber}${insertBefore}`) {
comeFromInsert = ''
return
}
const obj = {
rowNumber: rowNumber,
mixed: numOfRows,
insertBefore: insertBefore
}
if (client.ws.readyState === 1) {
client.ws.send(JSON.stringify({
type: 'excelInsert',
data: obj,
total: mySpreadsheet.getData()
}))
}
}
const random = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
var r = (Math.random() * 16) | 0,
v = c == 'x' ? r : (r & 0x3) | 0x8
return v.toString(16)
})
const client = new WSClient(`ws://122.51.46.108:23333?guid=${random}`)
client.init(mySpreadsheet)
/**
* 导入excel文件
*/
function fileUpload(e) {
if (!e) return
const files = e.target.files, f = files[0]
const reader = new FileReader()
reader.onload = function(e) {
const data = new Uint8Array(e.target.result)
const workbook = XLSX.read(data, {type: 'array'})
const workSheet = workbook.Sheets[workbook.SheetNames[0]]
const res = XLSX.utils.sheet_to_json(workSheet)
let arr = []
res.forEach(d => {
const filterArr = Object.keys(d).map(v => {
if (v.indexOf('__EMPTY') !== -1) {
return ''
} else {
return v
}
})
arr.push(filterArr)
})
if (mySpreadsheet) {
mySpreadsheet.setData(arr)
if (client.ws.readyState === 1) {
client.ws.send(JSON.stringify({
type: 'importExcel',
data: mySpreadsheet.getData()
}))
}
}
e = null
}
reader.readAsArrayBuffer(f)
}
</script>
</body>
</html>