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This article mainly explains the "Node.js how to operate redis to add query function", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "Node.js how to operate redis to add query function" bar!

An example

The installation of the redis server is no longer covered here, and the point is not here. If you are interested, you can install it yourself.

For a new module, we need to install the redis module in our project before we can use it.

Command

Cnpm install redis

Create a new redis.js file with the following code:

/ / introduce redisvar redis = require ("redis"); / / create redis client var client = redis.createClient ("6379", "127.0.0.1"); / / connection error handling client.on ("error", function (error) {console.log (error);}); / / redis authentication (if redis does not enable authentication, this configuration may not be written) client.auth ("123456") / find client.select ("15", function (error) {if (error) {console.log (error);} else {client.set ("node_redis_key", JSON.stringify ({"name": "wolfy", age: 28}), function (error, res) {if (error) {console.log (error);} else {console.log (res);} / / close redis connection client.end (true);});};})

Query

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