枚举类

public enum TrainingTypeEnum {
	OFFLINE("offline", "线下活动"),
	ONLINE("online", "线上活动");

	private String value;
	private String name;
	
	TrainingTypeEnum(String value, String name) {
		this.value = value;
		this.name = name;
	}

	public String getValue() {
		return value;
	}

	public void setValue(String value) {
		this.value = value;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}
	
	public static String getName(String value) {
		for (TrainingTypeEnum ele : values()) {
			if (ele.getValue().equals(value)) {
				return ele.getName();
			}
		}
		
		return null;
	}
}

遍历

List<Map<String, String>> trainingTypeList = new ArrayList<Map<String, String>>();
Map<String, String> typeMap = null;
for (TrainingTypeEnum trainingType : TrainingTypeEnum.values()) {
	typeMap = new HashMap<String, String>();
	typeMap.put("value", trainingType.getValue());
	typeMap.put("name", trainingType.getName());
	trainingTypeList.add(typeMap);
}
model.put("trainingTypeList", trainingTypeList);