Thinkphp实现省市区三级联动-PHP源码-php.cn

Thinkphp实现省市区三级联动

大家讲道理

Libérer： 2016-11-08 10:55:58

original

1192 Les gens l'ont consulté

一张表实现省市区三级联动【3409条数据】

public function index(){
    $province = M(&#39;Tree&#39;)->where ( array(&#39;pid&#39;=>1) )->select ();
    $this->assign(&#39;province&#39;,$province);
    $this->display();
 
}
public function getRegion(){
    $Region=M("Tree");
    $map[&#39;pid&#39;]=$_REQUEST["pid"];
    $map[&#39;type&#39;]=$_REQUEST["type"];
    $list=$Region->where($map)->select();
    echo json_encode($list);
}

Copier après la connexion

<select name="province" id="province" onchange="loadRegion(&#39;province&#39;,2,&#39;city&#39;,&#39;{:U(&#39;Index/getRegion&#39;)}&#39;);">
   <option value="0" selected>省份/直辖市</option><volist name="province" id="vo">
   <option value="{$vo.id}" >{$vo.name}</option></volist>
</select>         
<select name="city" id="city"  onchange="loadRegion(&#39;city&#39;,3,&#39;town&#39;,&#39;{:U(&#39;Index/getRegion&#39;)}&#39;);">
  <option value="0">市/县</option>
</select>
<select name="town" id="town">
  <option value="0">镇/区</option>
</select>

Copier après la connexion

function loadRegion(sel,type_id,selName,url){
    jQuery("#"+selName+" option").each(function(){
        jQuery(this).remove();
    });
    jQuery("<option value=0>请选择</option>").appendTo(jQuery("#"+selName));
    if(jQuery("#"+sel).val()==0){
        return;
    }
    jQuery.getJSON(url,{pid:jQuery("#"+sel).val(),type:type_id},
        function(data){
            if(data){
                jQuery.each(data,function(idx,item){
                    jQuery("<option value="+item.id+">"+item.name+"</option>").appendTo(jQuery("#"+selName));
                });
            }else{
                jQuery("<option value=&#39;0&#39;>请选择</option>").appendTo(jQuery("#"+selName));
            }
        }
    );
}
</script>

Copier après la connexion

DROP TABLE IF EXISTS `tp_tree`;
CREATE TABLE `tp_tree` (
  `id` int(5) unsigned NOT NULL AUTO_INCREMENT,
  `pid` int(5) unsigned NOT NULL DEFAULT &#39;0&#39;,
  `name` varchar(120) DEFAULT NULL,
  `type` tinyint(1) DEFAULT &#39;2&#39;,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=3410 DEFAULT CHARSET=utf8;

Copier après la connexion