node.js - 关于koa2 的ctx.body是什么？

{代码...} ctx是上下文的意思，但它究竟是什么呢？为了试图搞明白，用console.log将它输出，但是返回的内容里并没有ctx或content之类的东西。 {代码...} ctx是什么？ctx.body又是什么？...

From [Node.jsdiscussion group] 2017-04-17 16:01:24 0  3  1377

yuankuwang can't get in

yuankuwang can't get in

From [Node.jsdiscussion group] 2019-09-24 19:46:14 0  0  1376

node.js - When resquest.js pipe data stream downloads a file, how to automatically obtain the file suffix name and save it? In which step should I add it?

I want to get the suffix name of this link before fs.createWriteStream and then pipe it into this data stream ...

From [Node.jsdiscussion group] 2017-05-16 13:28:40 0  1  1371

node.js - “无法在PATH上找到运行时"node"”

在wing上创建了一个NodeJS项目(JavaScript) 对产生的模板进行调试，报出错误：“无法在PATH上找到运行时"node"” 检查系统的环境变量，有nodejs的路径 wing的当前版本...

From [Node.jsdiscussion group] 2017-04-17 15:36:23 0  1  1369

node.js - Using koa2 + koa-router, but the request.body of the post request cannot be obtained

Xiaobai asks for advice. When submitting a form on '/', a post request is sent, but request.body in the body r...

From [Node.jsdiscussion group] 2017-06-17 09:16:49 0  1  1368

node.js - How to post files in node?

I want to use node to call an API interface, and the interface parameters require uploading files. How to use ...

From [Node.jsdiscussion group] 2017-07-03 11:42:53 0  1  1362

node.js - Error: Object.assign is not a function. How to solve it?

1. Index.html code 2. Entry app.js code 3. Error message Error: Uncaught TypeError: Object.assign is not a fun...

From [Node.jsdiscussion group] 2017-07-06 10:36:27 0  2  1348

node.js - nodejs performance is poor

I am a beginner and found that the performance of nodejs is very poor! ! ! {Code...} Use the above code to tra...

From [Node.jsdiscussion group] 2017-06-20 10:06:41 0  3  1348

node.js - How to use node's fs module in a browser environment?

I have a need to use pure js to read images. The only parameter is the image path. The following is the code i...

From [Node.jsdiscussion group] 2017-05-16 13:44:07 0  2  1342

node.js - WebSocket报错“Unexpected response code: 502 ”

WebSocket connection to 'ws://foo.bar/socket.io/1/websocket/oBVUe9G9fBFksDrdt-ze' failed: Error during WebSock...

From [Node.jsdiscussion group] 2017-04-17 11:11:14 0  0  1342

node.js - express+multer抛出错误：'app.use() requires middleware functions'

利用node，想要通过表单传递值，node的代码如下： {代码...} 目前express版本是4.13.3，multer的版本是1.0.1 运行抛出的错误如下： {代码...} 在stackoverflow上查找到类似...

From [Node.jsdiscussion group] 2017-04-17 12:59:06 0  4  1341

javascript - Paste a piece of content with pictures and text. How to use js to get the picture and upload it to the server?

I need to paste a piece of content with text and pictures, but the pictures need to be uploaded to the server ...

From [Node.jsdiscussion group] 2017-06-24 09:43:22 0  1  1340

node.js - Why does the following error occur when npm installs vue-cli??!!!?

C:UsersAdministratorDesktopeleme>npm i -g vue-clinpm ERR! path C:UsersAdministratorAppDataRoamingnpmnod...

From [Node.jsdiscussion group] 2017-06-27 09:19:33 0  3  1339

node.js - nodejs redirect failure problem

1. After sending the superagent request, process the data in the background, and then choose whether to redire...

From [Node.jsdiscussion group] 2017-06-06 09:53:14 0  1  1333

node.js - Nodejs报错Cannot read property 'call' of undefined

This is written in the middleware: wechat.reply.call(this); the reply function in wechat is written like this:...

From [Node.jsdiscussion group] 2017-06-29 10:09:20 0  3  1331