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                Redis HDEL命令用于從存儲在鍵散列刪除指定的字段。如果沒有這個哈希中存在指定的字段將被忽略。如果鍵不存在,它將被視為一個空的哈希與此命令將返回0。 ## 返回值 回復整數,從散列中刪除的字段的數量,不包括指定的但不是現有字段。 ## 語法 redis HDEL命令的基本語法如下所示: ~~~ redis 127.0.0.1:6379> HDEL KEY_NAME FIELD1.. FIELDN ~~~ ### 例子 ~~~ redis 127.0.0.1:6379> HSET myhash field1 "foo" (integer) 1 redis 127.0.0.1:6379> HDEL myhash field1 (integer) 1 redis 127.0.0.1:6379> HDEL myhash field2 (integer) 1 ~~~
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