Vue 中在开发环境dev上实现跨域请求

 I  Your application is running here: http://127.0.0.1:8080                                                                                                                                                 

[HPM] Error occurred while trying to proxy request /content/showall from 127.0.0.1:8080 to http://localhost:8085/ (ECONNREFUSED) (https://nodejs.org/api/errors.html#errors_common_system_errors)

Vue 访问path是127.0.0.1:8080

后台接口的path是http://localhost:8085/

'use strict'
// Template version: 1.3.1
// see http://vuejs-templates.github.io/webpack for documentation.

const path = require('path')

module.exports = {
dev: {
assetsSubDirectory: 'static',
assetsPublicPath: '/',
proxyTable: {
'/api':{
target:'http://127.0.0.1:8085/',
changeOrigin:true,
pathRewrite:{
'^/api':''
}
}
},
host: '127.0.0.1', // can be overwritten by process.env.HOST
port: 8080, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
autoOpenBrowser: false,
errorOverlay: true,
notifyOnErrors: true,
poll: false, // https://webpack.js.org/configuration/dev-server/#devserver-watchoptions-
devtool: 'cheap-module-eval-source-map',
cacheBusting: true,
cssSourceMap: true
},

build: {
// Template for index.html
index: path.resolve(__dirname, '../dist/index.html'),

// Paths
assetsRoot: path.resolve(__dirname, '../dist'),
assetsSubDirectory: 'static',
assetsPublicPath: '/',

/**
* Source Maps
*/

productionSourceMap: true,
// https://webpack.js.org/configuration/devtool/#production
devtool: '#source-map',

// Gzip off by default as many popular static hosts such as
// Surge or Netlify already gzip all static assets for you.
// Before setting to `true`, make sure to:
// npm install --save-dev compression-webpack-plugin
productionGzip: false,
productionGzipExtensions: ['js', 'css'],

// Run the build command with an extra argument to
// View the bundle analyzer report after build finishes:
// `npm run build --report`
// Set to `true` or `false` to always turn it on or off
bundleAnalyzerReport: process.env.npm_config_report
}
}