摘要: 集合 Stream流 (1)分组(比如说某个pojo的某个字段的集合): List<SysOperatorLogsBean> logsBeans = logsMongoEngine.getBeans(sql); List<Long> tenantIds = logsBeans.stream().ma 阅读全文
posted @ 2017-12-06 19:47 哦克Oak 阅读(1536) 评论(0) 推荐(0)