Redis-字符串 - 芒果文档

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📜 Redis-字符串

📅 最后修改于: 2020-11-26 07:02:10 🧑 作者: Mango

Redis字符串命令用于管理Redis中的字符串值。以下是使用Redis字符串命令的语法。

redis 127.0.0.1:6379> COMMAND KEY_NAME

redis 127.0.0.1:6379> SET tutorialspoint redis 
OK 
redis 127.0.0.1:6379> GET tutorialspoint 
"redis"

在上面的示例中， SET和GET是命令，而tutorialspoint是关键。

Redis字符串命令

下表列出了一些在Redis中管理字符串的基本命令。

Sr.No	Command & Description
1	SET key value This command sets the value at the specified key.
2	GET key Gets the value of a key.
3	GETRANGE key start end Gets a substring of the string stored at a key.
4	GETSET key value Sets the string value of a key and return its old value.
5	GETBIT key offset Returns the bit value at the offset in the string value stored at the key.
6	MGET key1 [key2..] Gets the values of all the given keys
7	SETBIT key offset value Sets or clears the bit at the offset in the string value stored at the key
8	SETEX key seconds value Sets the value with the expiry of a key
9	SETNX key value Sets the value of a key, only if the key does not exist
10	SETRANGE key offset value Overwrites the part of a string at the key starting at the specified offset
11	STRLEN key Gets the length of the value stored in a key
12	MSET key value [key value …] Sets multiple keys to multiple values
13	MSETNX key value [key value …] Sets multiple keys to multiple values, only if none of the keys exist
14	PSETEX key milliseconds value Sets the value and expiration in milliseconds of a key
15	INCR key Increments the integer value of a key by one
16	INCRBY key increment Increments the integer value of a key by the given amount
17	INCRBYFLOAT key increment Increments the float value of a key by the given amount
18	DECR key Decrements the integer value of a key by one
19	DECRBY key decrement Decrements the integer value of a key by the given number
20	APPEND key value Appends a value to a key