枚举例子

public enum PCOptionStatusEnum {
WAITTING_HANDLING("0", "待处理"), HANDLE_SUCCESS("1", "处理成功"), HANDLE_FAILUER("2", "处理失败"), HANDLE_CANCEL("3",
"作废"), HANDLING("4", "处理中");
private final String key;

private final String value;

PCOptionStatusEnum(String key, String value) {
this.key = key;
this.value = value;
}

public String getKey() {
return key;
}

public String getValue() {
return value;
}

public static Map<String, String> getList() {
Map<String, String> map = new HashMap<String, String>();

for (PCOptionStatusEnum w : PCOptionStatusEnum.values()) {
map.put(w.getKey(), w.getValue());
}
return map;
}


public class StatusEnum implements Serializable {

/**
*
*/
private static final long serialVersionUID = 6806619642573481280L;

/**
* 订单来源类型
*
* @author zhaowei
* 2011-12-16 add
*
*/
public enum OrderTypeEnum {
TB_ORDER("B", "宝"), ZF_ORDER("F", "发"), CFT_ORDER("FT", "付通");
private OrderTypeEnum(String key, String value) {
this.key = key;
this.value = value;
}

private final String key;
private final String value;

public String getKey() {
return key;
}

public String getValue() {
return value;
}

/**
* 获取订单状态
*
* @return
*/
public static Map<String, String> getOrderTypeList() {
Map<String, String> status = new HashMap<String, String>();
status.put("TB", "宝");
status.put("ZF", "发");
status.put("CFT", "通");
return status;

}

public static String getReviewStatus(String key) {
for (OrderStatusEnum status : OrderStatusEnum.values()) {
if (status.getKey().equals(key)) {
return status.getValue();
}
}
return "";
}
}


/**

*
* @author zhangf
*
*/
public enum DrawBillStatusEnum {
NOT_CHECKED(0, "未"), CHECKED_ING(1, "中"), CHECKED_SUCCESS(2, "通过"), CHECKED_FAIL(3, "通过"), DRAW_FINISHED(
4, "已"), DRAW_SUCCESS(5, "成功"), DRAW_FAIL(6, "失败"), DRAW_CANCEL(7,"撤");

private DrawBillStatusEnum(int key, String value) {
this.key = key;
this.value = value;
}

private final int key;
private final String value;

public int getKey() {
return key;
}

public String getValue() {
return value;
}

/**
* 根据第一个参数查找第二个参数的值
*
* @param p1
* @return
*/

public static String getP2ByP1(int param1) {
for (DrawBillStatusEnum w : DrawBillStatusEnum.values()) {
if (param1 == w.getKey()) {
return w.getValue();
}
}
return "";
}

/**
* 将枚举的值的参数以 key：value的形式存入map
*
* @return
*/
public static Map<String, String> getElemMap() {
Map<String, String> map = new LinkedHashMap<String, String>();

for (DrawBillStatusEnum w : DrawBillStatusEnum.values()) {
map.put(String.valueOf(w.getKey()), w.getValue());
}
return map;
}

}
}