koa2-url-cache
Koa 2 middleware for cache response data.
Install
npm install koa2-url-cache --save
Get start
const config = {
redis: {
host: '121.196.203.34',
port: 6379,
password: '',
db: 0,
},
urls: {
'/api/user/:name': {
ttl: 30, // seconds
}
}
}
app.use(cache(config));
refresh
Delete cache manual, qury url add parameter refresh=1
demo
/api/user/list?refresh=1
Config
redis
node_redis
prefix [optional]
- Default 'page'
prefix
is redis prefix key to storage cache data.
disable [optional]
- Default false
- Diasble cache for all routes
loggerLevel [optional]
http code 200
only cache http code==200 error
Add all key-value to response headers.
addHeaders: {
"Access-Control-Allow-Origin": "http://localhost:8080",
"Access-Control-Allow-Methods": "POST, GET, OPTIONS",
"Access-Control-Allow-Headers": "*"
}
urls {Object}
key
is match by path-to-regexp
ttl
{integer} expire in ttl. seconds。no cache ,set ttl = null
addHeaders
{Object}. It will cover the top level addHeaders
'/api/user': {
ttl: '30', // seconds
addHeaders: { // custom headers
'x-power':'lx'
}
},
example: