jsp下拉框展示枚举定义的信息，java下拉框定义枚举赋值

﹏ヽ暗。殇╰゛Y 2022-07-14 15:07 112阅读 0赞

/**
     * 下拉选项返回模型对象 created by tely on 2015/06/15.
     */
    @Data
    public class SelectBean implements Serializable {
       private String key;
       private String value;
    
       private List<SelectBean> subObj;
    
    }
     package com.ig.sid.syssetting.util;
    
    /**
     * 国家枚举类
     * Created by tely on 2015/8/13.
     */
    public enum CountryEnum {
    
        COUNTRY_ENUM_CN("enum_country_cn","CN"),//中国
        COUNTRY_ENUM_VN("enum_country_vn","VN"),//越南
        COUNTRY_ENUM_TH("enum_country_th","TH"),//泰国
        COUNTRY_ENUM_ID("enum_country_id","ID"),//印度尼西亚
        COUNTRY_ENUM_JP("enum_country_jp","JP"),//日本
        COUNTRY_ENUM_KH("enum_country_kh","KH"),//柬埔寨
        COUNTRY_ENUM_KP("enum_country_kp","KP");//韩国
    
    
        private String nameKey;
    
        private String code;
    
        public String getNameKey(){
           return this.nameKey;
        }
    
        public String getCode(){
            return this.code;
        }
    
        //构造函数必须为private的,防止意外调用
        private CountryEnum(String nameKey, String code){
            this.nameKey = nameKey;
            this.code = code;
        }
    }
     /**
     * 查找所有国家填充下拉框
     * @return list
     */
    @RequestMapping("findCountryFillSelect")
    @ResponseBody
    public List<SelectBean> findCountryFillSelect(HttpSession session) {
        List<SelectBean> list = new ArrayList<SelectBean>();
        try{
            SelectBean bean ;
            for(CountryEnum e: CountryEnum.values()){
                bean = new SelectBean();
                bean.setKey(e.getCode());
                bean.setValue(e.getNameKey());
                list.add(bean);
            }
        }catch (Exception e) {
            logger.error(e.getMessage());
        }
        return list;
    }