mybatis-plus中SQL语句的查询关键字

package com.baomidou.mybatisplus.core.enums;

import com.baomidou.mybatisplus.core.conditions.ISqlSegment;

public enum SqlKeyword implements ISqlSegment { AND("AND"), OR("OR"), NOT("NOT"), IN("IN"), NOT_IN("NOT IN"), LIKE("LIKE"), NOT_LIKE("NOT LIKE"), EQ("="), NE("<>"), GT(">"), GE(">="), LT("<"), LE("<="), IS_NULL("IS NULL"), IS_NOT_NULL("IS NOT NULL"), GROUP_BY("GROUP BY"), HAVING("HAVING"), ORDER_BY("ORDER BY"), EXISTS("EXISTS"), NOT_EXISTS("NOT EXISTS"), BETWEEN("BETWEEN"), NOT_BETWEEN("NOT BETWEEN"), ASC("ASC"), DESC("DESC"); private final String keyword; public String getSqlSegment() { return this.keyword; } private SqlKeyword(final String keyword) { this.keyword = keyword; } }