idea默认文档注释

文件-设置-File and Code Templates-File Header

/**
 * @BelongsProject: ${PROJECT_NAME}
 * @BelongsPackage: ${PACKAGE_NAME}
 * @author: ${USER}
 * @date: ${DATE} ${TIME}
 * @Description: ${Description}
 * @since JDK 1.8
 */