public enum ValidType {
    NotValid(0,"不可用"),
    Valid(1,"可用"),
    ;

    private int id;

    private String status;

    ValidType(int id, String status){
        this.id = id;
        this.status = status;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getStatus() {
        return status;
    }

    public void setStatus(String status) {
        this.status = status;
    }

    public static ValidType getById(Integer id) {
        for (ValidType transactType : values()) {
            if (transactType.getId() == id) {
                //获取指定的枚举
                return transactType;
            }
        }
        return null;
    }
}

1：public enum EnumOne {
grial{
@Override
public String getLable() {
// TODO Auto-generated method stub
return "grials";
}
},
bory{
@Override
public String getLable() {
// TODO Auto-generated method stub
return "bory";
}
};
public abstract String getLable();
}
2：public enum EnumTwo {
AIR("air"),DOMSTOC("domstoc"),PREMIUM("premium");
private String type;
private EnumTwo(String type){
this.type=type;
}
private static EnumTwo getInstance(String type){
for(EnumTwo en:EnumTwo.values()){
if(en.type.equals(type)){
return en;
}
}
return null;
}
public String getType() {
return type;
}
3：public enum EnumThree {
NAN {
@Override
public String getLable() {
// TODO Auto-generated method stub
return "NAN";
}
@Override
public String getShow() {
// TODO Auto-generated method stub
return "NAN";
}
},NV {
@Override
public String getLable() {
// TODO Auto-generated method stub
return "NV";
}
@Override
public String getShow() {
// TODO Auto-generated method stub
return "NV";
}
};
public abstract String getLable();
public abstract String getShow();
private static EnumThree getInstance(String lable){
for(EnumThree en:EnumThree.values()){
if(en.getLable().equals(lable)){
return en;
}
}
return null;
}
}
4：public enum EnumFour{
THREE("11",1),TWO("22",2);
private String name;
private int index;
private One(String name, int index) {
this.name = name;
this.index = index;
}
public static String getName(int index){
for(One one:One.values()){
if(one.getIndex()==index){
return one.name;
}
}
return null;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getIndex() {
return index;
}
public void setIndex(int index) {
this.index = index;
}
}

/**
 * 

package cn.it.ssm.common.constants.enums;

/**
 *枚举
 * 
 * @author chenggh
 *
 */
public enum SupplierEnum {
	/**  某庄园 */
	S_LAVENDER("S1", "某庄园", 1,"1"),
	/** 某世界 */
	S_DISCOVERYKD("S2", "某世界", 2,"2"),
	/** 新增景区 **/
	S_NEWSHOP("S3", "新增景区", 3,"3");
	
	private String code;
	private String name;
	private String shopTrustMerchant;//商户标识
	private int identifier;//配置文件商户下标
	//枚举构造方法
	SupplierEnum(String code, String name, int identifier, String shopTrustMerchant){
		this.code = code;
		this.name = name;
		this.identifier = identifier;
		this.shopTrustMerchant = shopTrustMerchant;
	}	
	
	public String getCode(){
		return this.code;
	}
	
	public String getName(){
		return this.name;
	}

	public int getIdentifier() {
		return identifier;
	}
	
	public String getShopTrustMerchant() {
		return shopTrustMerchant;
	}

	//枚举传值遍历比较
	public static int getEnumIndex(String shopTrustMerchant) {
		SupplierEnum[] alarmGrades = SupplierEnum.values();
        for (int i = 0; i < alarmGrades.length; i++) {
            if (alarmGrades[i].getShopTrustMerchant().equals(shopTrustMerchant)) {
                return alarmGrades[i].getIdentifier();
            }
        }
        return 0;
    }
	
}

枚举规范写法
如下枚举，粘贴整个枚举，直接修改字段，其他方法不用修改。
import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;
/**

功能说明:订单状态枚举类
@author  Peter
中技同创(www.ditiy.com)

*/

public enum TradeStatusEnum {

/**

交易成功上送中、交易成功、交易失败

*/

SUCCESS(“交易成功”),

/**

交易失败

*/

FAILED(“交易失败”),

/**

等待支付

*/

WAITING_PAYMENT(“上送中”),

EXCEPTION(“未支付”);

/** 描述 */

private String desc;
private TradeStatusEnum(String desc) {

this.desc = desc;

}
public String getDesc() {

return desc;

}
public void setDesc(String desc) {

this.desc = desc;

}
//方便根据名称获取描述比如:TradeStatusEnum.toMap().get("FAILED"get(“desc”).toString()
public static Map<String, Map<String, Object>> toMap() {

TradeStatusEnum[] ary = TradeStatusEnum.values();

Map<String, Map<String, Object>> enumMap = new HashMap<String, Map<String, Object>>();

for (int num = 0; num < ary.length; num++) {

Map<String, Object> map = new HashMap<String, Object>();

String key = ary[num].name();

map.put(“desc”, ary[num].getDesc());

enumMap.put(key, map);

}

return enumMap;

}
//获取所有属性用list返回
@SuppressWarnings({ “rawtypes”, “unchecked” })

public static List toList() {

TradeStatusEnum[] ary = TradeStatusEnum.values();

List list = new ArrayList();

for (int i = 0; i < ary.length; i++) {

Map<String, String> map = new HashMap<String, String>();

map.put(“desc”, ary[i].getDesc());

map.put(“name”, ary[i].name());

list.add(map);

}

return list;

}
public static TradeStatusEnum getEnum(String name) {

TradeStatusEnum[] arry = TradeStatusEnum.values();

for (int i = 0; i < arry.length; i++) {

if (arry[i].name().equalsIgnoreCase(name)) {

return arry[i];

}

}

return null;

}
/**

取枚举的json字符串

@return

*/

public static String getJsonStr() {

TradeStatusEnum[] enums = TradeStatusEnum.values();

StringBuffer jsonStr = new StringBuffer("[");

for (TradeStatusEnum senum : enums) {

if (!"[".equals(jsonStr.toString())) {

jsonStr.append(",");

}

jsonStr.append("{id:’").append(senum).append("’,desc:’").append(senum.getDesc()).append("’}");

}

jsonStr.append("]");

return jsonStr.toString();

}

}