ajax解析json值

$.ajax({
    async: true,
    type: "post",
    url: "${ctxPath!}/pc/xxx/json?id=" + id,
    dataType: "json",
    success: function (data) {
        $("#shi").empty();
        $.each(data.listcity, function (i, item) {
            var text = "<li onclick=\"drop(this)\">" + item.cityName + "</li>";
            $("#shi").append(text);
        })
        $("#shi").append(" <i class=\"clear\"></i>");
    }
})