html5带进度条上传-html代码-BFW代码库

html5带进度条上传

代码语言：html

所属分类：上传

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开


<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<style>
    body{
        padding: 50px;
    }
</style>

</head>
<body translate="no">
<h2>HTML5 文件上传带进度条</h2>
<form id="upload_form" enctype="multipart/form-data" method="post">
<input type="file" name="file1" id="file1" onchange="uploadFile()"><br>
<progress id="progressBar" value="0" max="100" style="width:300px;"></progress>
<h3 id="status"></h3>
<p id="loaded_n_total"></p>
</form>

<script>
function _(el) {
  return document.getElementById(el);
}

function uploadFile() {
  var file = _("file1").files[0];
  // alert(file.name+" | "+file.size+" | "+file.type);
  var formdata = new FormData();
  formdata.append("file1", file);
  var ajax = new XMLHttpRequest();
  ajax.upload.addEventListener("progress", progressHandler, false);
  ajax.addEventListener("load", completeHandler, .........完整代码请登录后点击上方下载按钮下载查看