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环境 koa2 node7

// controllers/user.js
const user = require('../models/user');

const getUserInfo = async (ctx) => {
  const id = this.params['id'];
  this.body = await user.getUserById(id);
};

module.exports = {
  auth: (router) => {
    router.get('/user/:id', getUserInfo);
  }
};

断点调试可以查到 params的 id 参数
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但继续执行会报错,

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参考文章:学习的博客

补充:我不会用 Koa2 的 context。
下面是我打印 ctx 为一个 空数组

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终结:
感谢 @soonfy @鱼香肉丝盖饭 最终解决方案是再次看文档发现 如使用 async/await koa-router 需要 7.0.1

cnpm i koa-router@next --save

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1 Answer

ctx封装req和res,你需要的可能是req.params.id。

soonfy


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