Copy the following two files into the same file. Visit index.html through the web path to have a look. This is a linked update through iframe. The current content of list.php is relatively simple. You can Look at the database query through list.php, and then display the query result list.
index.html
list.php
$data = array("Beijing"=>array("Xiaoqiang","Wangcai","Xiaoqiang's father"),
"Tonghua"=>array("Xiaowen","Xiaosong","their son"),);
$city = $_GET["city"];
$result = $data[$city];
$str = "";
echo $str;
?>
http://www.bkjia.com/PHPjc/631983.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/631983.htmlTechArticleCopy the two files below to the same file and access index.html through the web path to have a look. This It is a linked update achieved through iframe. The current content of list.php is relatively simple. You see...
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
