mybatis-plus/mybatis-plus-annotation/src/main/java/com/baomidou/mybatisplus/annotation/TableId.java

/**
 * Copyright (c) 2011-2014, hubin (jobob@qq.com).
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.baomidou.mybatisplus.annotation;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * <p>
 * 表主键标识
 * </p>
 *
 * @author hubin
 * @since 2016-01-23
 */
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.FIELD)
public @interface TableId {

    /**
     * <p>
     * 字段值（驼峰命名方式，该值可无）
     * </p>
     */
    String value() default "";

    /**
     * <p>
     * 主键ID
     * </p>
     * {@link IdType}
     */
    IdType type() default IdType.NONE;

}