原生 js上传zip压缩文件
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>客户资料上传</title>
</head>
<style type="text/css">
body{
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
}
h1{
text-align: center;
}
form{
text-align: center;
}
.row1{
position:relative;
/* display:inline-block; */
/* padding:8px 16px; */
font-size:16px;
/* color:white; */
text-decoration:none;
cursor:pointer;
overflow:hidden;
width: 300px;
}
.row1 dl{
display: flex;
border: 1px solid #ccc;
line-height: 30px;
border-radius: 2px;
align-items: center;
font-size: 14px;
padding: 0 4px;
justify-content: space-between;
}
.row1 dl dt{
color: #ccc;
}
.row1 dl dd{
color: #3399FF;
cursor: pointer;
}
.oFile {
position:absolute;
width:100%;
height:100%;
z-index:10;
top:0px;
left:0px;
opacity:0;
}
.btn{
width: 100px;
line-height: 32px;
border-radius: 4px;
background: #3399FF;
color: #fff;
text-align: center;
cursor: pointer;
background: #169bd5;
border: none;
}
.success-box{
display: flex;
align-items: center;
}
#img{
margin-right: 8px;
width: 20px;
}
#okFile{
text-align: left;
color: #ccc;
}
</style>
<script>
function fileSelected() {
var file = document.getElementById('fileToUpload').files[0];
const okFileName = document.getElementById('okFile').innerHTML;
if(okFileName){
alert('只能选择一个文件')
return;
}
if(file.type !== "application/zip") {
alert('请选择正确的zip类型文件')
return;
}
if (file) {
var fileSize = 0;
if (file.size > 1024 * 1024)
fileSize = (Math.round(file.size * 100 / (1024 * 1024)) / 100).toString() + 'MB';
else
fileSize = (Math.round(file.size * 100 / 1024) / 100).toString() + 'KB';
document.getElementById('fileName').innerHTML = file.name;
}
}
function uploadFile() {
var fd = new FormData();
const file = document.getElementById('fileToUpload').files[0];
if(!file) return;
fd.append('token', 'a1ca50cd8aae4df09e75ddc076f84465')
fd.append('dictTerminalType', 6);
fd.append('serialId', Math.random().toString(36).substr(2) + new Date().getTime());
fd.append("file", file);
var xhr = new XMLHttpRequest();
xhr.upload.addEventListener("progress", uploadProgress, false);
xhr.addEventListener("load", uploadComplete, false);
xhr.addEventListener("error", uploadFailed, false);
xhr.addEventListener("abort", uploadCanceled, false);
xhr.open("POST", 'http://xxxxxx'); //修改成自己的接口
xhr.send(fd);
}
function uploadProgress(evt) {
if (evt.lengthComputable) {
var percentComplete = Math.round(evt.loaded * 100 / evt.total);
// document.getElementById('progressNumber').innerHTML = percentComplete.toString() + '%';
} else {
document.getElementById('progressNumber').innerHTML = 'unable to compute';
}
}
function getUploadStatus({fileId, companyId}) {
let requestData = ''
let data = {
dictTerminalType: 6,
serialId: Math.random().toString(36).substr(2) + new Date().getTime(),
fileId,
companyId
}
for(let key in data){
requestData = requestData + key + "=" + data[key] + "&";
}
if(requestData == ''){
requestData = '';
}else{
requestData = requestData.substring(0,requestData.length - 1);
}
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function(){
//complete
if(xhr.readyState == 4){
if(xhr.status == 200){
//请求成功执行的回调函数
let data=JSON.parse(xhr.response)
alert(data.message);
document.getElementById('img').src = './完成.png';
document.getElementById('fileSuccess').innerHTML = document.getElementById('fileName').innerHTML;
document.getElementById('okFile').innerHTML = '已上传文件';
}else{
//请求失败的回调函数
alert(err.message);
}
}
}
xhr.open("POST", 'http://xxxxx); //修改成自己的接口
xhr.setRequestHeader("Content-Type","application/json;charset=UTF-8");
xhr.send(JSON.stringify(data));
}
function getQueryString(name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
var r = window.location.search.substr(1).match(reg);
if (r != null) return decodeURI(r[2]);
return null;
}
// 上传成功后
function uploadComplete(evt) {
/* 服务器端返回响应时候触发event事件*/
let {fileId} = JSON.parse(evt.target.responseText).data
// getUploadStatus({fileId, companyId: getQueryString('companyId')})
}
// 上传时出错
function uploadFailed(evt) {
alert("尝试上传文件时出错。");
}
function uploadCanceled(evt) {
alert("用户已取消上传或浏览器断开了连接");
}
</script>
<body>
<div>
<h1>上传</h1>
<form id="form1" enctype="multipart/form-data" method="post" action="Upload.aspx">
<div class="row1">
<dl>
<dt id="fileName">请上传压缩文件</dt>
<dd>选择文件</dd>
</dl>
<input class="oFile" accept='application/zip' type="file" name="fileToUpload" id="fileToUpload" onchange="fileSelected();">
</div>
<input class="btn" type="button" onclick="uploadFile()" value="请确认上传">
<p id="okFile"></p>
<div class="success-box">
<img id="img" />
<div id="fileSuccess"></div>
</div>
</form>
</div>
</body>
</html>
