一、通用型中间件
1-1 app/middleware/auth.js
module.exports = ()=>{return async function(ctx,next){console.log(1);await next();}}
1-2 配置中间件config/config.default.js
config.middleware = ['auth'];
中间件的局部匹配
config/config.default.js
只匹配 music 路由
config.middleware = ['auth', 'test'];config.test = {match: '/music',title:"中间件"}
