php导出数据到csv文件

PHP导出数据到CSV文件实例代码如下:

query($sql);
$rs = $db->fetch($result, 0);
foreach ($rs as $v => $vv) {
    $a.= $vv['name'] . ',' . $vv['mo'] . "," . $vv['comm'] . "," . commbox($vv['cbox']) . ",";
    $a.= "" . $vv['bak'] . "," . date('y-m-d', $vv['times']) . " 
";
}
//echo $a;
$hod = fopen($filename, "w+");
if (fwrite($hod, $a)) {
    echo "生成文件成功，点击下载excel 
文档";
}
function daystomktime($days) {
    switch ($days) {
        case 1:
            $t = 86400;
            break;
        case 7:
            $t = 86400 * 7;
            break;
        case 30:
            $t = 86400 * 30;
            break;
        case 90:
            $t = 86400 * 90;
            break;
        case 2048:
            $t = 86400 * 2048;
            break;
    }
    return $t;
}
function commbox($ars) {
    if (trim($ars) == '') {
        return ' ';
    }
    $array = include ("tugou.php");
    $tmp = explode(',', $ars);
    $str = '';
    if ($tmp) {
        foreach ($tmp as $c) {
            $str.= $array[intval($c) ] . '|';
        }
    }
    return $str;
}
?>

数据库的结构代码如下:

create table if not exists `tugou` ( 
  `id` int(8) not null auto_increment, 
  `name` varchar(20) default null comment '名字', 
  `mo` varchar(20) default null comment '手机', 
  `comm` varchar(100) default null, 
  `bak` varchar(500) default null comment '备份', 
  `cbox` varchar(500) default null comment '类型', 
  `times` int(4) default null, 
  `ip` varchar(20) default null,//开源代码phprm.com 
  primary key  (`id`) 
) engine=innodb  default charset=utf8 auto_increment=8 ;

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