当前路径：Api/getlist.php
<?php
include("../db.php");
switch ($_GET['action']) {
	case 'zidian':
    $zidian=$_GET['fenlei'];//获取id
		$sql="SELECT *  FROM ".$db->tablename('vxiangmu') ." WHERE zidian='$zidian'";
         $list =$db->fetchall($sql);
       $arr = [
        'code' => 0,
        'data' => $list
    ];
    exit(json_encode($arr));
    break;
	case 'danwei':
         $sql="SELECT *  FROM ".$db->tablename('danwei') ." order by bianhao asc";
         $list =$db->fetchall($sql);
        ...