<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
<script>
function fileSelected() {
var file = document.getElementById('fileToUpload').files[0];
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 = 'Name: ' + file.name;
document.getElementById('fileSize').innerHTML = 'Size: ' + fileSize;
document.getElementById('fileType').innerHTML = 'Type: ' + file.type;
}
}
function uploadFile() {
if ( typeof(document.getElementById('fileToUpload').files[0])=='undefined' ) return alert('未选择任何文件');
var fd = new FormData();
fd.append("fileToUpload", document.getElementById('fileToUpload').files[0]);
var Form1=new Object();
var Form1_serializeArray = $("#form1").serializeArray();
for (k in Form1_serializeArray) {
Form1[Form1_serializeArray[k]['name']]=Form1_serializeArray[k]['value'];
}
fd.append("form1", JSON.stringify(Form1));
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", "var_dump.php");//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 uploadComplete(evt) {
/* 服务器端返回响应时候触发event事件*/
alert(evt.target.responseText);
}
function uploadFailed(evt) {
alert("There was an error attempting to upload the file.");
}
function uploadCanceled(evt) {
alert("The upload has been canceled by the user or the browser dropped the connection.");
}
</script>
</head>
<body>
<form id="form1" onsubmit="return false">
<div class="row">
<label for="fileToUpload">Select a File to Upload</label><br><br>
file：<input type="file" name="fileToUpload" id="fileToUpload" onchange="fileSelected()"><br><br>
aa：<input type="text" name="aa"><br><br>
bb：<input type="text" name="bb"><br><br>
cc：<input type="text" name="cc"><br><br>
dd：<input type="text" name="dd"><br><br>
</div>
<div id="fileName"></div>
<div id="fileSize"></div>
<div id="fileType"></div>
<div class="row">
<input type="button" onclick="uploadFile()" value="Upload">
</div>
<div id="progressNumber"></div>
</form>这段代码可以简化吗？我总感觉var Form1 = new Object();
var Form1_serializeArray = $("#form1").serializeArray();
for (k in Form1_serializeArray) {
Form1[Form1_serializeArray[k]['name']]=Form1_serializeArray[k]['value'];
}
fd.append("form1", JSON.stringify(Form1));这段代码复杂了当然，其他可以简化的地方，我也很想知道 嘿
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