How to operate redis by Node.js to add query function

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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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