PHP Code
<?php
set_time_limit(600);
if($_SERVER['REQUEST_METHOD']=='POST') {
  move_uploaded_file($_FILES["test_file"]["tmp_name"],
    dirname($_SERVER['SCRIPT_FILENAME'])."/UploadTemp/"   .   $_FILES["test_file"]
["name"]);//UploadTemp 文件夹位于此脚本相同目录下

  echo "<p>上传成功</p>";
}
?>
index.php
PHP Code
<?php
   $id = md5(uniqid(rand(), true));
?>
<html>
<head><title>上传进度</title></head>
<body>
<script src="js/jquery-1.4.4.min.js" language="javascript"></script>


<script language="javascript">
var proNum=0;
var loop=0;
var progressResult;
function sendURL() {
            $.ajax({
                        type : 'GET',
                        url : "getprogress.php?progress_key=<?php echo $id;?>",
                        async : true,
                        cache : false,
                        dataType : 'json',
                        data: "progress_key=<?php echo $id;?>",
                        success : function(e) {
                                     progressResult = e;
                                      proNum=parseInt(progressResult);
                                       document.getElementById("progressinner").style.width =
proNum+"%";
                                                                            document.getElementById("showNum").innerHTML =
proNum+"%";
                                      if ( proNum < 100){
                                        setTimeout("getProgress()", 100);
                                      }