• fastJson

public class City {
    String code;

    public String getCode() {
        return code;
    }
    public void setCode(String code) {
        this.code = code;
    }
}
public static void main(String[] args) {
        String jsonString = "jsonlist字符串"
        List<City> cityList = JSONArray.parseArray(jsonString, City.class);
        if (cityList!=null){
            for (City city : cityList) {
                System.out.println(city.getCode());
            }
        }
}