省市选择的简单实现(基于zepto.js)

　　　　　　　　　　<div class="clList overflow-h mt75">          <select class="pull-left cl-35 select01" id="cityParent">            <option>请选择省</option>          </select>          <select class="pull-left cl-35 select02" id="city">            <option>请选择市</option>          </select>        </div>

//测试数据var _json = [ {      "areas" : [ {        "name" : "东城区"      }, {        "name" : "西城区"      }, {        "name" : "崇文区"      }, {        "name" : "宣武区"      }, {        "name" : "昌平区"      }, {        "name" : "朝阳区"      }, {        "name" : "海淀区"      }, {        "name" : "丰台区"      }, {        "name" : "石景山区"      }, {        "name" : "门头沟区"      }, {        "name" : "房山区"      }, {        "name" : "通州区"      }, {        "name" : "顺义区"      }, {        "name" : "大兴区"      }, {        "name" : "平谷区"      }, {        "name" : "怀柔区"      }, {        "name" : "密云县"      }, {        "name" : "延庆县"      } ],      "name" : "北京市"    },{      "areas" : [ {        "name" : "合肥市"      }, {        "name" : "滁州市"      }, {        "name" : "蚌埠市"      }, {        "name" : "芜湖市"      }, {        "name" : "淮南市"      }, {        "name" : "淮北市"      }, {        "name" : "马鞍山市"      }, {        "name" : "安庆市"      }, {        "name" : "宿州市"      }, {        "name" : "阜阳市"      }, {        "name" : "亳州市"      }, {        "name" : "黄山市"      }, {        "name" : "铜陵市"      }, {        "name" : "宣城市"      }, {        "name" : "六安市"      }, {        "name" : "池州市"      } ],      "name" : "安徽省"    }, {      "areas" : [ {        "name" : "福州市"      }, {        "name" : "厦门市"      }, {        "name" : "宁德市"      }, {        "name" : "莆田市"      }, {        "name" : "泉州市"      }, {        "name" : ">"      }, {        "name" : "漳州市"      }, {        "name" : "龙岩市"      }, {        "name" : "三明市"      }, {        "name" : "南平市"      } ],      "name" : "福建省"    }, {      "areas" : [ {        "name" : "兰州市"      }, {        "name" : "临夏州"      }, {        "name" : "定西市"      }, {        "name" : "平凉市"      }, {        "name" : "庆阳市"      }, {        "name" : "武威市"      }, {        "name" : "金昌市"      }, {        "name" : "张掖市"      }, {        "name" : "酒泉市"      }, {        "name" : "嘉峪关市"      }, {        "name" : "天水市"      }, {        "name" : "陇南市"      }, {        "name" : "甘南州"      }, {        "name" : "白银市"      } ],      "name" : "甘肃省"    }];    function loadCityPar() {      var cityPar = '<option value="0">请选择省</option>';      var lenPar = _json.length;  //省市数量      for(var i=0; i<lenPar; i++){        var n = i + 1;        cityPar += '<option value="'+n+'">'+_json[i].name+'</option>';      }      $('#cityParent').html(cityPar);    }    loadCityPar();    $(page).on('change','#cityParent',function () {      var index = $('#cityParent option').not(function(){ return !this.selected }).index();      var i = index - 1;      if(i >= 0){        var city = '<option value="0">请选择市</option>';        var len = _json[i].areas.length;        for(var j=0; j<len; j++){          var m = j + 1;          city += '<option value="'+m+'">'+_json[i].areas[j].name+'</option>';        }        $('#city').html(city);      }    });

.wgyHospital .select01,.wgyHospital .select02{ padding-left:.3rem; padding-right:.3rem; height:1.6rem; line-height:1.6rem; border:1px solid #ccc; text-align:center;}.wgyHospital .select01{ border-radius:.75rem 0 0 .75rem;}.wgyHospital .select02{ border-radius:0 .75rem .75rem 0; border-left:none;}