将引入的script 库和js 写在 标签前面,就正常了
<script type="text/javascript" src="jquery-2.1.1.min.js"></script>
<body>
<form id="MyID" method="post" action="JSFPAGE" enctype="multipart/form-data">
<span class="btn btn-success fileinput-button">
<i class="glyphicon glyphicon-plus"></i>
<span>Select files...</span>
<input id="fileupload" type="file" name="files[]" multiple>
</span><br><br>
...
<script type="text/javascript">
$(function () {
'use strict';
// Change this to the location of your server-side upload handler:
var url = 'xUpload.xsp';
$('#fileupload').fileupload({
url: url,
dataType: 'json',
done: function (e, data) {
$.each(data.result.files, function (index, file) {
$('<p/>').text(file.name).appendTo('#files');
});
},
...
});
</script>
</form>
<script type="text/javascript" src="jquery.ui.widget.js"></script>
<script type="text/javascript" src="jquery.iframe-transport.js"></script>
<script type="text/javascript" src="jquery.fileupload.js"></script>