php+ajax实现带进度条的大数据排队导出思路以及源码

        success: function(msg){
            win.$('#process_bg').show().width('100%');
            win.$('#process_num').html('100');
            win.$('#progress_info').html('导出数据完成。  <a href="' + msg + '" style="color: #006699; text-decoration: underline">下载文件</a>');
        }
    });
}
function tip()
{
    poptip = $.dialog.through({
        id: 'tip',
        title: '系统消息',
        content: '正在统计总数，请勿关闭窗口  <img src="http://images.cnblogs.com/loading_s.gif" />',
        width: 300,
        height: 100,
        icon: 'system',
        lock: true,
        opacity: .1
    },
    function(){
        window.location.reload();
    });

    poptip.show();
}

function packetDelete(url,msg)
{
    $.dialog.confirm(msg, function () {
        $.post(url, function(data){
          if(data == '1'){
              $.dialog('删除成功', function(){window.location.reload();});
          }
          else if(data == '2'){
            $.dialog('删除失败', function(){window.location.reload();});
          }
          else if(data == '3'){
            $.dialog('文件不存在，或者已删除', function(){window.location.reload();});
          }
      });
     });
}
</script>