Egg: How get router params in middleware?

[shanelau]

In middleware, this == ctx, but could not get params object.

// app/middleware/uppercase.js
module.exports = () => {
// url == /api/user/:id
  return function* (next) {
    const id = this.params || this.req.params;  // undefined
    yield next;
  };
};

• Node Version: 8.0
• Egg Version: 1.7.0
• Plugin Name:
• Plugin Version:
• Platform:
• Mini Showcase Repository:

[coolicer]

this.ctx.req.params ?

[atian25]

param is a feature of router, so you can't got it before router

发自我的 iPhone

在 2017年8月25日，11:38，Ryan [e-mail] 写道：

this.req.params ?

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[shanelau]

@atian25 Can i put my middleware behind the router?
I need do some url params or query params check in middleware.

[atian25]

you can got query in any middleware, except param which extract from url path.

发自我的 iPhone

在 2017年8月25日，11:58，流星狂飙 [e-mail] 写道：

@atian25 Can i put my middleware behind the router?
I need do some url params or query params check in middleware.

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[fengmk2]

Add middleware after router, then you can the this.params.

// app/router.js

const uppercase = app.middlewares.uppercase();

app.get('/api/user/:id', uppercase, 'your controller here');

[shanelau]

Awesome!!

[EdisonSu768]

@fengmk2 same as get params in working url...