java中的枚举使用

枚举类定义如下： package java1996;

public enum Status {

SCUUESS("1", "success"), FAILED("2", "failed");

private String value;
private String desc;

public String getValue() {
	return value;
}

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

public String getDesc() {
	return desc;
}

public void setDesc(String desc) {
	this.desc = desc;
}

private Status(String value, String desc) {
	this.value = value;
	this.desc = desc;
}

}

测试类如下：

package java1996;

public class StatusTest {

public static void main(String[] args) {
	System.out.println(Status.SCUUESS.getValue());
	System.out.println(Status.SCUUESS.getDesc());
	System.out.println(Status.FAILED.getValue());
	System.out.println(Status.FAILED.getDesc());

}

}

再比如，我们在操作数据库的时候，通常使用数字保存到数据库中，但是在界面上显示的时候，需要展示其中文意思，那么我们就可以通过下边的方式：

package java1996;

public enum FlightType {

OW(1, "单程"), RT(2, "往返");

public Integer code;
public String desc;

public Integer getCode() {
	return code;
}

public void setCode(Integer code) {
	this.code = code;
}

public String getDesc() {
	return desc;
}

public void setDesc(String desc) {
	this.desc = desc;
}

FlightType(Integer code, String desc) {
	this.code = code;
	this.desc = desc;
}

public static FlightType getTypeByCode(Integer code) {
	FlightType defaultType = FlightType.OW;
	for (FlightType ftype : FlightType.values()) {
		if (ftype.code == code) {
			return ftype;
		}
	}

	return defaultType;

}

public static String getDescByCode(Integer code) {

	return getTypeByCode(code).desc;

}

}