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HomeWeb Front-endJS TutorialExample tutorial of cross-domain webpack development environment

Example tutorial of cross-domain webpack development environment

May 14, 2018 pm 04:41 PM
clivuewebpackCross domain

This article mainly introduces the detailed explanation of the cross-domain development environment of vue-cli webpack. The editor thinks it is quite good, so I will share it with you now and give it as a reference. Let’s follow the editor to take a look

edit dev.proxyTable option in config/index.js. The dev server is using http-proxy-middleware for proxying

In order to solve the cross-domain problem,

  1. Usually Jsonp is used, but jsonp can only be a get request.

  2. Or use CORS support and set Access-Control-Allow-Origin: *

0 Prerequisite skills

Familiar with vue-loader and webpack

1 Basic configuration

Edit the confix/index.js file. The dev server uses http-proxy-middleware. Proxy

// config/index.js
module.exports = {
 // ...
 dev: {
  proxyTable: {
   // proxy all requests starting with /api to jsonplaceholder
   '/api': {
    target: 'http://jsonplaceholder.typicode.com',
    changeOrigin: true,
    pathRewrite: {
     '^/api': ''
    }
   }
  }
 }
}

The above example will proxy the request /api/posts/1 to http://jsonplaceholder.typicode.com/posts/1.

2 Global Match

You can provide a filter option that can be a custom function to determine whether a request should be proxied:

Provide a filter to formulate routing rules and routing methods.

proxyTable: {
 '*': {
  target: 'http://jsonplaceholder.typicode.com',
  filter: function (pathname, req) {
   return pathname.match('^/api') && req.method === 'GET'
  }
 }
}

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