服务器返回消息：<input id="txtFilePath" type="text" size="50" />
    <script type="text/javascript" language="javascript">
        var uploaderMgr = new HttpUploaderSingleMgr();
        uploaderMgr.Config["PostUrl"] = "http://localhost:8080/asp.net/upload.aspx";
        uploaderMgr.Load();
        uploaderMgr.CompleteHook = function(msg)
        {
            document.getElementById("txtFilePath").value = msg;
        };

        window.onload = function()
        {
            uploaderMgr.Init();
        };
    </script>