省市县多级联动

最新推荐文章于 2022-03-11 11:30:02 发布

原创最新推荐文章于 2022-03-11 11:30:02 发布 · 495 阅读

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AddressController.php

    //默认展示父id为0的 也就是顶级分类  
       public function index(){  
           $arr['i'] = $this->db->where("parent_id = '0'")->get('region')->result_array();  
           $this->load->view('lst',$arr);  
       }  
      
       public function addressNext(){  
           //接收子级id  
           $pid = $_GET['pid'];  
           $arr['i'] = $this->db->where("parent_id = '$pid'")->get('region')->result_array();  
           $this->load->view('addressNext',$arr);  
       }

Views/lst.php

    <select class="address">  
            <option value="-1">请选择</option>  
        <?php foreach($i as $k => $v) {  ?>  
            <option value="<?php echo $v['region_id']?>"><?php echo $v['region_name']?></option>  
        <?php } ?>  
    </select>  
      
    <select class="address">  
    </select>  
      
    <select class="address">  
    </select>  
      
    <select class="address">  
    </select>

    <script src="<?php echo base_url('public/jquery-2.1.4.min.js')?>"></script>  
    //注意此处引入的jquery的路径  
    <script>  
        $(document).on('change','.address',function(){  
            var pid = $(this).val();  
            obj = $(this).next();  
            $.get("<?php echo site_url('Address/addressNext')?>",{pid:pid},function(data){  
                obj.html(data);  
            })  
        })  
    </script>

View/addressNext.php

    <select class="address">  
        <option value="-1">请选择</option>  
        <?php foreach($i as $k => $v) {  ?>  
            <option value="<?php echo $v['region_id']?>"><?php echo $v['region_name']?></option>  
        <?php } ?>  
    </select>