jquery 城市三级联动

js代码

/*城市三级联动

* @method cityChange

* @param allProvince,allCity,allDistrict

*/

function cityChange(provinceN,cityN,districtN){

    var all_province="";

    for(var i=0;i<allCity.province.length;i++){

            all_province+='<option name="province" value='+allCity.province[i].id+'><span class="province">'+allCity.province[i].name+'</span></option>';  };

    $('#'+provinceN).append(all_province);

    $('#'+provinceN).change(function () {

                var provinceId = $('#'+provinceN).val();

                $('#'+cityN).find("option:gt(0)").remove();

                 $('#'+districtN).find("option:gt(0)").remove();

               var all_city="";

               if( provinceId!=99999){

               for(var j=0;j<allCity.city[provinceId].length;j++){

                         all_city += '<option name="city" value='+allCity.city[provinceId][j].id+'><span class="city">'+allCity.city[provinceId][j].name+'</span></option>';

                    } } ;

                    $('#'+cityN).append(all_city);

            });

    $('#'+cityN).change(function () {

                var cityId = $(this).val();

                var all_district="";

               for(var k=0;k<allCity.district[cityId].length;k++){

                         all_district += '<option name="district" value='+allCity.district[cityId][k].id+'><span class="city">'+allCity.district[cityId][k].name+'</span></option>';

                    }  ;

                    $('#'+districtN).append(all_district);

            });

}

HTML代码

<!doctype html>

<html>

<head>

    <meta charset="utf-8">

    <title>城市三级联动</title>

</head>

<body>

	<label>三级联动</label>

	<div>

        <select  id="allProvince">

            <option value="">请选择省份</option>

        </select>

        <select  id="allCity" >

            <option value="">请选择城市</option>

        </select>

        <select  id="allDistrict">

            <option value="">请选择区县</option>

        </select>

	</div>

<script src="http://cdn.bootcss.com/jquery/2.0.1/jquery.js"></script>

<script src="allcity.js"></script>

<script src="citychange.js"></script>

<script>

	$(function(){cityChange('allProvince','allCity','allDistrict');})

</script>

</body>

</html>

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巴特西

jquery 城市三级联动

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