public enum ContentType extends Enum<ContentType>
public static final ContentType Image
public static final ContentType File
public static ContentType[] values()
for (ContentType c : ContentType.values()) System.out.println(c);
public static ContentType valueOf(String name)
name - 要返回的枚举常量的名称。IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量NullPointerException - 如果参数为空值Copyright © 2019. All rights reserved.