一、34省级行政区

23个省、4个直辖市、2个特别行政区、5个自治区。

二、Java枚举类

public enum AreaEnum {

    zero(0L, "未知"),
    CODE_110000(110000L, "北京市"),
    CODE_120000(120000L, "天津市"),
    CODE_130000(130000L, "河北省"),
    CODE_140000(140000L, "山西省"),
    CODE_150000(150000L, "内蒙古自治区"),

    CODE_210000(210000L, "内蒙古自治区"),
    CODE_220000(220000L, "吉林省"),
    CODE_230000(230000L, "黑龙江省"),

    CODE_310000(310000L, "上海市"),
    CODE_320000(320000L, "江苏省"),
    CODE_330000(330000L, "浙江省"),
    CODE_340000(340000L, "安徽省"),
    CODE_350000(350000L, "福建省"),
    CODE_360000(360000L, "江西省"),
    CODE_370000(370000L, "山东省"),

    CODE_410000(410000L, "河南省"),
    CODE_420000(420000L, "湖北省"),
    CODE_430000(430000L, "湖南省"),
    CODE_440000(440000L, "广东省"),
    CODE_450000(450000L, "广西壮族自治区"),
    CODE_460000(460000L, "海南省"),

    CODE_500000(500000L, "重庆市"),
    CODE_510000(510000L, "四川省"),
    CODE_520000(520000L, "贵州省"),
    CODE_530000(530000L, "云南省"),
    CODE_540000(540000L, "西藏自治区"),

    CODE_610000(610000L, "陕西省"),
    CODE_620000(620000L, "甘肃省"),
    CODE_630000(630000L, "青海省"),
    CODE_640000(640000L, "宁夏回族自治区"),
    CODE_650000(650000L, "新疆维吾尔自治区"),

    CODE_710000(710000L, "台湾省"),

    CODE_810000(810000L, "香港特别行政区"),
    CODE_820000(820000L, "澳门特别行政区"),
    ;

    private final Long id;
    private final String desc;

    AreaEnum(Long id, String desc) {
        this.id = id;
        this.desc = desc;
    }

    public static String getNameById(Long id) {
        if (Objects.isNull(id)) {
            return zero.desc;
        }
        for (AreaEnum areaEnum : AreaEnum.values()) {
            if (areaEnum.getId().equals(id)) {
                return areaEnum.desc;
            }
        }
        return zero.desc;
    }


    public Long getId() {
        return id;
    }

    public String getDesc() {
        return desc;
    }