>[danger]DOM 节点创建XML ~~~ //PDO连接数据库 $dsn = 'mysql:host=localhost;dbname=test;charset=utf8'; $username = 'root'; $passwd = '556656'; $pdo = new PDO($dsn,$username,$passwd); $sql = 'select * from stu_info'; $res = $pdo->query($sql)->fetchAll(2); //print_r($res); //组装一个xml文件 $xml='<xmp>'; $xml.='<?xml version="1.0" encoding="utf-8"?>'; $xml.='<root>'; foreach($res as $v) { $xml.='<student>'; foreach($v as $k=>$vo) { $xml.="<".$k.">"; $xml.=$vo; $xml.="</".$k.">"; } $xml.='</student>'; } $xml.='</root>'; $xml.='</xmp>'; //写入文本 $nums = file_put_contents('studentinfo.xml',$xml); ~~~