三级联动
// JavaScript Document $(document).ready(function(e) { var str = "<select id='sheng'></select><select id='shi'></select><select id='qu'></select>"; $("#sanji").html(str); Fillsheng(); Fillshi(); Fillqu(); $("#sheng").change(function(){ Fillshi(); Fillqu(); }) $("#shi").change(function(){ Fillqu(); }) }); function Fillsheng(){ var pcode="0001"; $.ajax({ async:false, url:"sanchu.php", data:{pcode:pcode}, type:"POST", dataType:"TEXT", success: function(data){ var hang = data.split("|"); var str = ""; for(var i=0;i<hang.length;i++) { var lie = hang[i].split("^"); str = str+"<option value='"+lie[0]+"'>"+lie[1]+"</option>"; } $("#sheng").html(str); } }); } function Fillshi(){ var pcode = $("#sheng").val(); $.ajax({ async:false, url:"sanchu.php", data:{pcode:pcode}, type:"POST", dataType:"TEXT", success: function(data){ var hang = data.split("|"); var str = ""; for(var i=0;i<hang.length;i++) { var lie = hang[i].split("^"); str = str+"<option value='"+lie[0]+"'>"+lie[1]+"</option>"; } $("#shi").html(str); } }); } function Fillqu(){ var pcode = $("#shi").val(); $.ajax({ async:false, url:"sanchu.php", data:{pcode:pcode}, type:"POST", dataType:"TEXT", success: function(data){ var hang = data.split("|"); var str = ""; for(var i=0;i<hang.length;i++) { var lie = hang[i].split("^"); str = str+"<option value='"+lie[0]+"'>"+lie[1]+"</option>"; } $("#qu").html(str); } }); } 三级联动插件 <?php $pcode = $_POST["pcode"]; include("DBDA.class.php"); $db=new DBDA(); $sql="select * from chinastates where parentareacode='{$pcode}'"; echo $db->StrQuery($sql); ?> 三级联动处理