public enum JoinType extends Enum<JoinType>
| 枚举常量和说明 |
|---|
FULL_JOIN |
INNER_JOIN |
LEFT_JOIN |
RIGHT_JOIN |
public static final JoinType INNER_JOIN
public static final JoinType FULL_JOIN
public static final JoinType LEFT_JOIN
public static final JoinType RIGHT_JOIN
public static JoinType[] values()
for (JoinType c : JoinType.values()) System.out.println(c);
public static JoinType 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 © 2025. All rights reserved.