1. koa-combine-routers
1. Initialize the project
npm init -y
2. Install koa related dependencies
npm install koa koa-router koa-body @koa/cors koa-json -S
3. The middleware koa-combine-routers you need to learn
Its function is to divide the routing file by business.
https://www.npmjs.com/package/koa-combine-routers
create a new src directory and create a new file index.js to
install this middleware as a dependency in the production process
npm install koa-combine-routers -S
4. Divide routing modules according to functional modules
Then use the
code address in index.js :
https://gitee.com/ling-xu/koa-1
Second, a security middleware koa-helmat
https://www.npmjs.com/package/koa-combine-routers
His role is to add a secure header to make the node server by default more secure.
The method of use is after npm is installed, app.use can be:
Third, the middleware koa-static for hosting static resources
1, npm i koa-static
2. Create a new static resource folder public
3. Write code
4. After running the server, you can access the static resources in the browser:
It should be noted that the root path is this public folder:
