}
  $('#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"&gt;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+'"&gt;'+_json[i].areas[j].name+'</option>';
    }
    $('#city').html(city);
  }
});</pre>