用jQuery的ajax方法,结合PHP,轻松实现省市级的二级联动:

新建area.php

1  
     '; 9 10 $r="select areaid,name from `china_areas` where parentid='".$_REQUEST['pid']."' order by vieworder asc;";11 $q=mysqli_query($dbc,$r);12  while(list($areaid,$name)=mysqli_fetch_array($q,MYSQLI_NUM)){13  14  $str.=''.$name.'';15  16  }17  18  $str.='';19  20  echo $str;exit;21  }22 ?>23 24 25 26 
     27 28 29 41 44 45 46 47 
 
48 
     
      49 地区:50 
      51 
       56 
        57 
       60    
      61 
     
62 

效果如图:

 下拉选择广东省后: