你试过特快专递的CORS包裹了吗？这是一个简单的设置：
Node.js - Error: Cannot find module 'cors', 59 Run npm install cors --save from the command line in the main project directory to install it and add it to your package.json It is possible that the cors module was separated from the main express package a long time ago, and the code...
浏览器中，网站A的网络请求访问网站A的资源（图片，HTTP请求）是很顺畅的，而想访问网站B的资源，就要...
How to deal with CORS error in express Node.js Project, Step 1: Create a Node.js application and name it gfg-cors using the following command. mkdir gfg-cors && cd gfg-cors npm init. Step 2: Install the dependency modules using the following command. npm i express cors. Step 3: Crea...
Code for that demo can be found here: Client: https://github.com/troygoode/node-cors-client Server: https://github.com/troygoode/node-cors-server License MIT License Author Troy Goode (troygoode@gmail.com)AboutNode.js CORS middleware Topics...
error(`error =`, err)); // Promise {<pending>} // res = Response {type: "opaque", url: "", redirected: false, status: 0, ok: false, …} fetch(`http://10.1.159.45:3000/api/post`, { // fetch(`http://localhost:3000/api/post`, { body: JSON.stringify({key: "value"}), ...
I have a NodeJS server working, which is just supposed to handle websockets, using socketIO. I am testing on Mozilla Firefox (which is maybe not the best thing...) App was first on HTTP, and everything was working fine. Now that all switched to HTTPS, I face a "cross-origin" issu...
是 server.js 吗?如果是,我在哪里可以找到这个?我使用的是 Windows 7。Node 安装在客户目录中:C:\MYSW\NodeJs\12.1.0。我在这里看到一些 server.js:C:\Users\user1\Scratch\node\myreact_ui\node_modules\react-dom\server.js,但它是正确的文件吗 请给我一个示例,说明如何添加代码以及在文件中的确切位置...
您应该将其添加到您配置正在使用的服务器的文件中。如果您使用的是 express,您会将其添加到您正在谈论的 server.js 文件中,但您似乎有一个 elasticsearch 服务器和一个 react 应用程序,因此您没有 node.js 后端。 您可能必须在弹性搜索服务器中包含一个 cors 配置。 反对 回复 2022-01-07 没...
解决方法: 1. 安装 koa2-cors npm install koa2-cors 2. 在 app.js 里 加上: const Koa = require('koa') const app = new Koa() const cors = require('koa2-cors') app.use( cors({ origin: function(ctx) { //设置允许来自指定域名请求 ...