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Use PHP to implement a real linked drop-down list_PHP tutorial
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- 2016-07-13 10:58:42930browse
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;
?>
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