Redis data type Operations (ii)--hash

1. Hset

Format: Hset ' name ' key ' value '

Add a named Name object that contains Key-value key-value pairs.

2. Hget

Format: Hget ' name ' key '

Gets the value that is named the name object key.

3. Hsetnx

Format: hsetnx ' name ' key ' value '

Add a name to the object. If name already exists, neither add nor modify the original value, and return 0, if it does not exist, add and return 1.

4. Hmset

Format: Hmset ' name ' ' Key1 ' value1 ' key2 ' value2 ' ...

Add an object named name, which adds multiple Key-value key-value pairs.

5. Hmget

Format: Hmget ' name ' ' Key1 ' value1 ' key2 ' value2 ' ...

Gets the value of multiple keys named name object.

6. Hincrby

Format: Hincrby ' name ' key ' ±{num}

The value of the key named name object is incremented by num, does not exist, and is automatically initialized to 0 if NUM is negative.

7. hexists

Format: hexists ' name ' key '

Determine if a key named name is present.

8. Hlen

Format: Hlen ' name '

Gets the number of keys called the name object.

9. Hdel

Format: Hdel ' name ' ' key1 ' key2 ' ...

Deletes a Key-value key-value pair named the name object.

Ten. Hkeys

Format: Hkeys ' name '

Gets the name of all keys named the name object.

Hvals.

Format: hvals ' name '

Gets all value values that are named name objects.

Hgetall.

Format: Hgetall ' name '

Gets all the Key-value values that are named the name object.

This article is from the "Bronze Gong" blog, please be sure to keep this source http://jaeger.blog.51cto.com/11064196/1772252

Redis data type Operations (ii)--hash