<!DOCTYPE html>

<html>
    <head>
        <title>数据备份</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js" ></script>
        <link href="css/jquery.circliful.css" rel="stylesheet" type="text/css" />
        <link href="css/font-awesome.min.css" rel="stylesheet" type="text/css" />
        <script src="js/jquery.circliful.js"></script>
        <script>
            function backup(predate)
            {
                $.ajax({
                    url: 'backupajax.php',
                    type: 'POST', //POST
                    async: true, //或false,是否异步
                    dataType: 'json',
                    data:predate,
                    success: function (data, textStatus, jqXHR) {

                        datainfo = '表[' + data.nowtable + ']完成' + data.tablepercentage + '%';
                        if (data.totalpercentage >= 100)
                        {
                            datainfo = '备份完成';
                        }

                        html = '<div id="myStat2" data-dimension="250" data-text="' + data.totalpercentage + '%" data-info="' + datainfo + '" data-width="30" data-fontsize="38" data-percent="' + data.totalpercentage + '" data-fgcolor="#61a9dc" data-bgcolor="#eee"></div>';
                        $('#tongji').html(html);
                        $('#myStat2').circliful();
                        if (data.totalpercentage < 100)
                        {
                            backup(data);
                        }
                    }
                })
            }
        </script>
    </head>
    <body>
        <div><input type="button" value="备份" onclick="backup({})" /></div>
    <center>

        <div id="tongji"></div>
    </center>
    <script>
        $(document).ready(function () {

        });
    </script>
</body>
</html>