markdown Nodej上没有缓存标头

Posted 2021-05-05

# Set these headers on response:

```
'Cache-Control': 'private, no-cache, no-store, must-revalidate'
'Expires': '-1'
'Pragma': 'no-cache'
```
Using `ExpressJS` we can add this middleware to have no cache on *all* requests
```
// const app = express()
app.use((req, res, next) => {
    res.header('Cache-Control', 'private, no-cache, no-store, must-revalidate');
    res.header('Expires', '-1');
    res.header('Pragma', 'no-cache');
    next()
});
```