web 文件上传无刷新的方法使用iframe

<html>
<script type="text/javascript" src="admin/view/js/jquery.min.js"></script>
<body>
    <form action="t.php" encType="multipart/form-data" method="post"
        target="hidden_frame">
        <label for="file">Filename:</label> <input type="file" name="file"
            id="file" /> <br /> <input type="submit" name="submit"
            value="Submit" />
        <iframe name='hidden_frame' id="hidden_frame" style="display: none"></iframe>
        <input type="button" onclick="getValue()" value="获取图片地址">
    </form>
    <script type="text/javascript">
    function getValue(){
        var imgUrl = $(window.frames["hidden_frame"].document).find("#imgUrl").val();
    }
　　</script>
</body>
</html>

<?php
$savePath = $_SERVER ['DOCUMENT_ROOT'] . "/kx/upload/";
require_once 'admin/util/GlobalTool.class.php';
if ($_FILES ["file"] ["size"] < (5 * 1024 * 1024)) {
    if ($_FILES ["file"] ["error"] > 0) {
        echo "Return Code: " . $_FILES ["file"] ["error"] . "<br />";
    } else {
        $tool = new GlobalTool ();
        
        $fileName = GlobalTool::getUploadName ( $_FILES ["file"] ["name"] );
        
        move_uploaded_file ( $_FILES ["file"] ["tmp_name"], $savePath . $fileName );
        echo "<input type='hidden' id='imgUrl' value='/kx/upload" . $fileName . "'>";
    }
} else {
    echo $_FILES ["file"] ["size"] . "<br>";
    echo "Invalid file";
}

?>

web 文件上传 无刷新的方法 使用iframe

web 文件上传无刷新的方法使用iframe