Ajax combined with PHP to achieve two-level linkage _ajax related

This article examples for you to share the Ajax combined with PHP to achieve the two-level linkage of the specific code, using AJAX, from PHP to obtain data, specific content as follows

Using AJAX to get data from PHP

<! DOCTYPE html>  

Php:

<?php
 //For processing client request two-level linkage data
 //1. Receive the province information sent by the client
 $province = $_post[' provcince '];
 2. Determine current province information, provide different city information
 switch ($province) {case
 ' Shandong Province ':
  Echo ' Qingdao, Jinan, Weihai, Rizhao, Dezhou ';
  break;
 Case ' Liaoning Province ':
  Echo ' Shenyang, Dalian, Tieling, Dandong, Jinzhou ';
  break;
 Case ' Jilin Province ':
  Echo ' Changchun, Songyuan, Jilin, Tonghua, Siping ';
  break;
 The server-side response is a string

?> 

The above is the entire content of this article, I hope to help you learn, but also hope that we support the cloud habitat community.