Features · Express-style routing ( app.get , app.put , app.post , etc.) · Named URL parameters · Named routes with URL generation · Match routes with specific host ... ... <看更多>

这里广义中间件，间接中间件方式实现最代表性是第三方实现的 koa-router 中间 ... https://github.com/chenshenhai/koajs-design-note/tree/master/demo/chapter-06-01 ... <看更多>

... code of application here:https://webninjadeveloper.com/koajs/build-a- koa-js - router -crud-rest-api-in-mongodb-database-in-javascript-f... ... <看更多>

As mentioned already by Joe, Koa doesn't come with any middleware preinstalled. For your needs, it seems like you would want to look into ... ... <看更多>