省市县联动 php处理生成js文件并且jquery 调用

来源：互联网发布：天正不能访问到网络锁编辑：程序博客网时间：2024/05/16 04:12
php 代码
public function region(){    $province = DB::table('ecs_region')->where('region_type',1)->get();    //print_r($province);die;    foreach($province as $v){        $province_data[$v->region_id]=$v->region_name;    }   // print_r($province_data);    $city = DB::table('ecs_region')->where('region_type',2)->get();   // print_r($city);    foreach($province_data as $k=>$v){        foreach($city as $key=>$val){            if($k==$val->parent_id){                $city_data[$k][$val->region_id] = $val->region_name;                $city_id[]=$val->region_id;            }        }    }    $county = DB::table('ecs_region')->where('region_type',3)->get();    //print_r($city_data);    foreach($city_id as $k=>$v){        foreach($county as $key=>$val){            if($v==$val->parent_id){                $county_data[$v][$val->region_id] = $val->region_name;                //$city_id[]=$val->region_id;            }        }    }    //print_r($county_data);    $data['province'] = $province_data;    $data['city'] = $city_data;    $data['county'] = $county_data;    $data_json = Json_encode($data);    $data_json = "var json=".$data_json;    $filename="./area.js";    file_put_contents($filename,$data_json);}html 页面<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head>    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">    <title>Document</title></head><body><table>    <tr>        <td>省</td>        <td>            <select name="province" id="province" onchange="pro_change(this)">                <option value="">请选择</option>            </select>        </td>    </tr>    <tr>        <td>市</td>        <td>            <select name="city" id="city" onchange="city_change(this)">                <option value="">请选择</option>            </select>        </td>    </tr>    <tr>        <td>县</td>        <td>            <select name="county" id="county">                <option value="">请选择</option>            </select>        </td>    </tr></table></body></html><script src="{{ URL::asset('/') }}area.js"></script><script src="{{ URL::asset('/') }}js/jquery.js"></script><script>        var obj = eval(json);        //alert(obj.province[2]);        var str="";        for(var i in obj.province){            str+= '<option value="'+i+'">'+obj.province[i]+'</option>';        }        //alert(str);        $("#province").html(str);    function pro_change(pro){        var id = $(pro).val();        //alert(id);        var str="<option>请选择</option>";        for(var i in obj.city[id]){            str+= '<option value="'+i+'">'+obj.city[id][i]+'</option>';        }        //alert(str);        $("#city").html(str);        $("#county").html("<option>请选择</option>");    }        function city_change(pro){            var id = $(city).val();            //alert(id);            var str="";            for(var i in obj.county[id]){                str+= '<option value="'+i+'">'+obj.county[id][i]+'</option>';            }            //alert(str);            $("#county").html(str);        }</script>
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省市县联动 php处理 生成js文件 并且jquery 调用

省市县联动 php处理生成js文件并且jquery 调用
