public ZealotKhala andBetween(String field, Object startValue, Object endValue) {
        return this.doBetween(ZealotConst.AND_PREFIX, field, startValue, endValue, true);
    }
public ZealotKhala andBetween ( String field , Object startValue , Object endValue ) { return this . doBetween ( ZealotConst . AND_PREFIX , field , startValue , endValue , true ) ; }
生成带" AND "前缀的between区间查询的SQL片段(当某一个值为null时，会是大于等于或小于等于的情形).
@param field 数据库字段
@param startValue 开始值
@param endValue 结束值
@return ZealotKhala实例