【Kotlin】 枚举

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enum class RoleEnum(val v: Int, val desc: String) {     UNKNOWN(-10, "未知"),     ADMIN(10, "系统管理员"),     KEEPER(20, "仓库管理员"),     SCENER(30, "现场人员");       companion object {         fun getEnumByV(index: Int): RoleEnum {             for (value in values()) {                 if (index == value.v) {                     return value                 }             }             return RoleEnum.UNKNOWN         }         fun getEnumByDesc(desc: String): RoleEnum {             for (value in values()) {                 if (desc == value.desc) {                     return value                 }             }             return RoleEnum.UNKNOWN         }           /**          * 根据值获取描述信息          */         fun getDesc(index: Int): String {             return getEnumByV(index).desc         }           /**          * 根据描述信息获取值          */         fun getV(desc: String): Int {            return getEnumByDesc(desc).v         }     } }

　

最近在学习Kotlin，还不太会用,懂的大佬麻烦指点指点