How to view the value of a key in Redis

Redis How to view key values: Use Redis command line tool: GET Using Redis Desktop Manager: Find the key in the "Keys" tab and view the "Value" column Use Python client: r.get('key') Use Node.js client: client.get('key', (err, value) => {...})

Redis method to view key values

Redis is a popular key-value storage database that allows users to store and retrieve values ​​of any data type. In some cases, you need to view the value of the key stored in Redis. This article will introduce several ways to view the values ​​of keys in Redis.

1. Use the Redis command line tool

The most direct way is to use the Redis command line tool. You can run the following command to view the value of the specified key:

 <code>GET <key></key></code>

For example, to view the value of the key "message", type:

 <code>GET message</code>

2. Use Redis Desktop Manager (RDM)

Redis Desktop Manager is a graphical user interface (GUI) client that can be used to connect to and manage Redis databases. You can use RDM to view the value of a key:

• Connect to the Redis database.
• Expand the "Keys" tab in the left pane.
• Find the key to view the value in the right pane.
• View the "Value" column to get the value of the key.

3. Using Python Client

You can use a Python client to connect to a Redis database and view the value of the key. The following Python code example demonstrates how to use the Redis Python client to view the value of a key:

 <code class="python">import redis # 连接到Redis 数据库r = redis.Redis(host='localhost', port=6379) # 获取键"message" 的值value = r.get('message') # 打印键的值print(value)</code>

4. Use the Node.js client

You can also use the Node.js client to connect to the Redis database and view the key values. The following Node.js code example demonstrates how to use the Node.js Redis client to view the value of a key:

 <code class="javascript">const redis = require('redis'); // 连接到Redis 数据库const client = redis.createClient(); // 获取键"message" 的值client.get('message', (err, value) => { if (err) { console.error(err); } else { console.log(value); } });</code>

The above is the detailed content of How to view the value of a key in Redis. For more information, please follow other related articles on the PHP Chinese website!