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                > 介紹 統計用戶信息,活躍 不活躍!登錄、未登錄!打卡、365打卡!兩個轉態的都可以使用bitmaps Bitmaps 位圖,數據結構!都是操作二進制來進行記錄,就只有0和1兩個轉態 365= 365bit 1字節=8bit 46個字節左右 > 圖例 ![](https://img.kancloud.cn/ad/99/ad99d851caafa7cfea40e465ee81ad96_1850x474.png) **使用bitmap 來記錄,周一到周日的打卡** ~~~ 127.0.0.1:6379> SETBIT sing 0 1 #設置周一是否打卡 (integer) 0 127.0.0.1:6379> SETBIT sing 1 0 #設置周二是否打卡 (integer) 0 127.0.0.1:6379> SETBIT sing 2 1 #設置周三是否打卡 (integer) 0 127.0.0.1:6379> SETBIT sing 3 1 #設置周四是否打卡 (integer) 0 127.0.0.1:6379> SETBIT sing 4 1 #設置周五是否打卡 (integer) 0 127.0.0.1:6379> SETBIT sing 5 1 #設置周六是否打卡 (integer) 0 127.0.0.1:6379> SETBIT sing 6 0 ?#設置周日是否打卡 (integer) 0 ? # 查看某一天是否打卡 127.0.0.1:6379> getbit sing 6 #獲取某一天是否打卡 (integer) 0 127.0.0.1:6379> getbit sing 3 (integer) 1 ? # 統計操作 統計打卡的天數! 127.0.0.1:6379> BITCOUNT sing (integer) 5 ~~~
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