我尝试在Django中实现“上传进度条”。在
以下是我在模板文件中的代码:
{% extends "index_base.html" %}
{% block content %}
<script src="/media/js/functions.js" type="text/javascript"></script>
<script src="/media/js/jquery.js" type="text/javascript"> </script>
<script type="text/javascript">
var xhrObject1;
var xhrObject2;
function createXMLHttpObject()
{
var xhrObject; // The variable that makes Ajax possible!
try
{
xhrObject = new XMLHttpRequest();
}
catch (e)
{
try{
xhrObject = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e){
try {
xhrObject = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {
xhrObject = null;
}
}
}
return xhrObject;
}
function ajaxFunction()
{
xhrObject1 = createXMLHttpObject();
if (xhrObject1 == null)
{
alert("Your browser does not support ajax.");
return;
}
xhrObject1.onreadystatechange = function(){
if(xhrObject1.readyState == 4){
document.getElementById("targetDiv").innerHTML = xhrObject1.responseText;
}
else
{
xhrObject2 = createXMLHttpObject();
xhrObject2.onreadystatechange = function(){
if(xhrObject2.readyState == 4){
document.getElementById("targetDiv").innerHTML = xhrObject2.responseText;
}
else
{
document.getElementById("targetDiv").innerHTML = "getting progress...";
}
}
xhrObject2.open("GET", "/upload_progress.psp", true);
xhrObject2.send(null);
}
}
var arrFiles = document.getElementById('id_file');
var fileToUpload = arrFiles.files[0];
xhrObject1.open("POST", "/upload.psp/", true);
xhrObject1.send(fileToUpload);
}
function submitForm()
{
document.forms["myform"].submit();
ajaxFunction();
return false;
}
</script>
<div id="main_container">
{% include "includes/nav.html" %}
<!------- Main Contents ---------->
<div id="contents_holder">
<div id="contents">
<div id="c_banner">
<span class="main_title">Upload File</span>
</div>
<div id="targetDiv" > </div>
<div id="setting">
<form name="myform" id="myform" action="/upload.psp/" method="post" enctype="multipart/form-data">
<h2>Upload File</h2></br>
<p>{{ form.file.label_tag }} {{ form.file }}</p></br>
<input type="button" value="Upload" name="uploadButton" onclick="javascript:return submitForm();"/>
<input type="button" value="Cancel" name="cancelUploadButton" onclick ="cancelUploadClicked()"/>
<input type="hidden" value="title" name="title" id="title" />
</form>
</div>
</div>
</div>
</div>
{% endblock %}
下面是我在里面的两个功能视图.py公司名称:
^{pr2}$我的问题是如何将上载状态返回到 第二个ajax调用(GET方法),以便最终可以更新它 在html中。在
我不知道如何返回正在上传的状态。在
任何帮助都将不胜感激。提前谢谢。在
我最近不得不自己做一些挖掘来找到解决办法。在
退房:
http://fairviewcomputing.com/blog/2008/10/21/ajax-upload-progress-bars-jquery-django-nginx/
我还没有尝试过引用的解决方案,但它看起来足够合理。 它涉及到注册一个自定义文件上载类来公开上载进度信息。在
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