Vue 代理服务器___Vue 跨域通过Axios 的ajax方式的get请求获取数据

Vue 代理服务器___Vue 跨域通过Axios 的ajax方式的get请求获取数据

1、说明

1.1：配置2台本地服务器

说明：node_modules 为 vue 脚手架

         package.json 为静态数据

         server1.js 为模拟服务器1

        server2.js 为模拟服务器2

        yarn.lock 为配置文件

1.1.1：package.json

{
  "name": "server",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "express": "^4.17.1"
  }
}

1.1.2 server1

const express = require('express')
const app = express()

app.use((request,response,next)=>{
	console.log('有人请求服务器1了');
	// console.log('请求来自于',request.get('Host'));
	// console.log('请求的地址',request.url);
	next()
})

app.get('/students',(request,response)=>{
	const students = [
		{id:'001',name:'tom',age:18},
		{id:'002',name:'jerry',age:19},
		{id:'003',name:'tony',age:120},
	]
	response.send(students)
})

app.listen(5000,(err)=>{
	if(!err) console.log('服务器1启动成功了,请求学生信息地址为：http://localhost:5000/students');
})

1.1.3 server2

const express = require('express')
const app = express()

app.use((request,response,next)=>{
	console.log('有人请求服务器2了');
	next()
})

app.get('/cars',(request,response)=>{
	const cars = [
		{id:'001',name:'奔驰',price:199},
		{id:'002',name:'马自达',price:109},
		{id:'003',name:'捷达',price:120},
	]
	response.send(cars)
})

app.listen(5001,(err)=>{
	if(!err) console.log('服务器2启动成功了,请求汽车信息地址为：http://localhost:5001/cars');
})

1.1.4   yarn.lock

# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
# yarn lockfile v1


accepts@~1.3.7:
  version "1.3.7"
  resolved "https://registry.npm.taobao.org/accepts/download/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
  integrity sha1-UxvHJlF6OytB+FACHGzBXqq1B80=
  dependencies:
    mime-types "~2.1.24"
    negotiator "0.6.2"

[email protected]:
  version "1.1.1"
  resolved "https://registry.npm.taobao.org/array-flatten/download/array-flatten-1.1.1.tgz?cache=0&sync_timestamp=1574313293899&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Farray-flatten%2Fdownload%2Farray-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
  integrity sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=

[email protected]:
  version "1.19.0"
  resolved "https://registry.npm.taobao.org/body-parser/download/body-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
  integrity sha1-lrJwnlfJxOCab9Zqj9l5hE9p8Io=
  dependencies:
    bytes "3.1.0"
    content-type "~1.0.4"
    debug "2.6.9"
    depd "~1.1.2"
    http-errors "1.7.2"
    iconv-lite "0.4.24"
    on-finished "~2.3.0"
    qs "6.7.0"
    raw-body "2.4.0"
    type-is "~1.6.17"

[email protected]:
  version "3.1.0"
  resolved "https://registry.npm.taobao.org/bytes/download/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
  integrity sha1-9s95M6Ng4FiPqf3oVlHNx/gF0fY=

[email protected]:
  version "0.5.3"
  resolved "https://registry.npm.taobao.org/content-disposition/download/content-disposition-0.5.3.tgz#e130caf7e7279087c5616c2007d0485698984fbd"
  integrity sha1-4TDK9+cnkIfFYWwgB9BIVpiYT70=
  dependencies:
    safe-buffer "5.1.2"

content-type@~1.0.4:
  version "1.0.4"
  resolved "https://registry.npm.taobao.org/content-type/download/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
  integrity sha1-4TjMdeBAxyexlm/l5fjJruJW/js=

[email protected]:
  version "1.0.6"
  resolved "https://registry.npm.taobao.org/cookie-signature/download/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
  integrity sha1-4wOogrNCzD7oylE6eZmXNNqzriw=

[email protected]:
  version "0.4.0"
  resolved "https://registry.npm.taobao.org/cookie/download/cookie-0.4.0.tgz?cache=0&sync_timestamp=1587525998658&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcookie%2Fdownload%2Fcookie-0.4.0.tgz#beb437e7022b3b6d49019d088665303ebe9c14ba"
  integrity sha1-vrQ35wIrO21JAZ0IhmUwPr6cFLo=

[email protected]:
  version "2.6.9"
  resolved "https://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz?cache=0&sync_timestamp=1600502855452&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fdebug%2Fdownload%2Fdebug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
  integrity sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=
  dependencies:
    ms "2.0.0"

depd@~1.1.2:
  version "1.1.2"
  resolved "https://registry.npm.taobao.org/depd/download/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
  integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=

destroy@~1.0.4:
  version "1.0.4"
  resolved "https://registry.npm.taobao.org/destroy/download/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
  integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=

[email protected]:
  version "1.1.1"
  resolved "https://registry.npm.taobao.org/ee-first/download/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
  integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=

encodeurl@~1.0.2:
  version "1.0.2"
  resolved "https://registry.npm.taobao.org/encodeurl/download/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
  integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=

escape-html@~1.0.3:
  version "1.0.3"
  resolved "https://registry.npm.taobao.org/escape-html/download/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
  integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=

etag@~1.8.1:
  version "1.8.1"
  resolved "https://registry.npm.taobao.org/etag/download/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
  integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=

express@^4.17.1:
  version "4.17.1"
  resolved "https://registry.npm.taobao.org/express/download/express-4.17.1.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fexpress%2Fdownload%2Fexpress-4.17.1.tgz#4491fc38605cf51f8629d39c2b5d026f98a4c134"
  integrity sha1-RJH8OGBc9R+GKdOcK10Cb5ikwTQ=
  dependencies:
    accepts "~1.3.7"
    array-flatten "1.1.1"
    body-parser "1.19.0"
    content-disposition "0.5.3"
    content-type "~1.0.4"
    cookie "0.4.0"
    cookie-signature "1.0.6"
    debug "2.6.9"
    depd "~1.1.2"
    encodeurl "~1.0.2"
    escape-html "~1.0.3"
    etag "~1.8.1"
    finalhandler "~1.1.2"
    fresh "0.5.2"
    merge-descriptors "1.0.1"
    methods "~1.1.2"
    on-finished "~2.3.0"
    parseurl "~1.3.3"
    path-to-regexp "0.1.7"
    proxy-addr "~2.0.5"
    qs "6.7.0"
    range-parser "~1.2.1"
    safe-buffer "5.1.2"
    send "0.17.1"
    serve-static "1.14.1"
    setprototypeof "1.1.1"
    statuses "~1.5.0"
    type-is "~1.6.18"
    utils-merge "1.0.1"
    vary "~1.1.2"

finalhandler@~1.1.2:
  version "1.1.2"
  resolved "https://registry.npm.taobao.org/finalhandler/download/finalhandler-1.1.2.tgz#b7e7d000ffd11938d0fdb053506f6ebabe9f587d"
  integrity sha1-t+fQAP/RGTjQ/bBTUG9uur6fWH0=
  dependencies:
    debug "2.6.9"
    encodeurl "~1.0.2"
    escape-html "~1.0.3"
    on-finished "~2.3.0"
    parseurl "~1.3.3"
    statuses "~1.5.0"
    unpipe "~1.0.0"

forwarded@~0.1.2:
  version "0.1.2"
  resolved "https://registry.npm.taobao.org/forwarded/download/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
  integrity sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=

[email protected]:
  version "0.5.2"
  resolved "https://registry.npm.taobao.org/fresh/download/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
  integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=

[email protected]:
  version "1.7.2"
  resolved "https://registry.npm.taobao.org/http-errors/download/http-errors-1.7.2.tgz#4f5029cf13239f31036e5b2e55292bcfbcc85c8f"
  integrity sha1-T1ApzxMjnzEDblsuVSkrz7zIXI8=
  dependencies:
    depd "~1.1.2"
    inherits "2.0.3"
    setprototypeof "1.1.1"
    statuses ">= 1.5.0 < 2"
    toidentifier "1.0.0"

http-errors@~1.7.2:
  version "1.7.3"
  resolved "https://registry.npm.taobao.org/http-errors/download/http-errors-1.7.3.tgz#6c619e4f9c60308c38519498c14fbb10aacebb06"
  integrity sha1-bGGeT5xgMIw4UZSYwU+7EKrOuwY=
  dependencies:
    depd "~1.1.2"
    inherits "2.0.4"
    setprototypeof "1.1.1"
    statuses ">= 1.5.0 < 2"
    toidentifier "1.0.0"

[email protected]:
  version "0.4.24"
  resolved "https://registry.npm.taobao.org/iconv-lite/download/iconv-lite-0.4.24.tgz?cache=0&sync_timestamp=1594184297399&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ficonv-lite%2Fdownload%2Ficonv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
  integrity sha1-ICK0sl+93CHS9SSXSkdKr+czkIs=
  dependencies:
    safer-buffer ">= 2.1.2 < 3"

[email protected]:
  version "2.0.3"
  resolved "https://registry.npm.taobao.org/inherits/download/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=

[email protected]:
  version "2.0.4"
  resolved "https://registry.npm.taobao.org/inherits/download/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
  integrity sha1-D6LGT5MpF8NDOg3tVTY6rjdBa3w=

[email protected]:
  version "1.9.1"
  resolved "https://registry.npm.taobao.org/ipaddr.js/download/ipaddr.js-1.9.1.tgz#bff38543eeb8984825079ff3a2a8e6cbd46781b3"
  integrity sha1-v/OFQ+64mEglB5/zoqjmy9RngbM=

[email protected]:
  version "0.3.0"
  resolved "https://registry.npm.taobao.org/media-typer/download/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
  integrity sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=

[email protected]:
  version "1.0.1"
  resolved "https://registry.npm.taobao.org/merge-descriptors/download/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
  integrity sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=

methods@~1.1.2:
  version "1.1.2"
  resolved "https://registry.npm.taobao.org/methods/download/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
  integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=

[email protected]:
  version "1.44.0"
  resolved "https://registry.npm.taobao.org/mime-db/download/mime-db-1.44.0.tgz?cache=0&sync_timestamp=1600831152656&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fmime-db%2Fdownload%2Fmime-db-1.44.0.tgz#fa11c5eb0aca1334b4233cb4d52f10c5a6272f92"
  integrity sha1-+hHF6wrKEzS0Izy01S8QxaYnL5I=

mime-types@~2.1.24:
  version "2.1.27"
  resolved "https://registry.npm.taobao.org/mime-types/download/mime-types-2.1.27.tgz#47949f98e279ea53119f5722e0f34e529bec009f"
  integrity sha1-R5SfmOJ56lMRn1ci4PNOUpvsAJ8=
  dependencies:
    mime-db "1.44.0"

[email protected]:
  version "1.6.0"
  resolved "https://registry.npm.taobao.org/mime/download/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
  integrity sha1-Ms2eXGRVO9WNGaVor0Uqz/BJgbE=

[email protected]:
  version "2.0.0"
  resolved "https://registry.npm.taobao.org/ms/download/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=

[email protected]:
  version "2.1.1"
  resolved "https://registry.npm.taobao.org/ms/download/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
  integrity sha1-MKWGTrPrsKZvLr5tcnrwagnYbgo=

[email protected]:
  version "0.6.2"
  resolved "https://registry.npm.taobao.org/negotiator/download/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
  integrity sha1-/qz3zPUlp3rpY0Q2pkiD/+yjRvs=

on-finished@~2.3.0:
  version "2.3.0"
  resolved "https://registry.npm.taobao.org/on-finished/download/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
  integrity sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
  dependencies:
    ee-first "1.1.1"

parseurl@~1.3.3:
  version "1.3.3"
  resolved "https://registry.npm.taobao.org/parseurl/download/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
  integrity sha1-naGee+6NEt/wUT7Vt2lXeTvC6NQ=

[email protected]:
  version "0.1.7"
  resolved "https://registry.npm.taobao.org/path-to-regexp/download/path-to-regexp-0.1.7.tgz?cache=0&sync_timestamp=1601401033318&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fpath-to-regexp%2Fdownload%2Fpath-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
  integrity sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=

proxy-addr@~2.0.5:
  version "2.0.6"
  resolved "https://registry.npm.taobao.org/proxy-addr/download/proxy-addr-2.0.6.tgz#fdc2336505447d3f2f2c638ed272caf614bbb2bf"
  integrity sha1-/cIzZQVEfT8vLGOO0nLK9hS7sr8=
  dependencies:
    forwarded "~0.1.2"
    ipaddr.js "1.9.1"

[email protected]:
  version "6.7.0"
  resolved "https://registry.npm.taobao.org/qs/download/qs-6.7.0.tgz?cache=0&sync_timestamp=1588543068614&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fqs%2Fdownload%2Fqs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
  integrity sha1-QdwaAV49WB8WIXdr4xr7KHapsbw=

range-parser@~1.2.1:
  version "1.2.1"
  resolved "https://registry.npm.taobao.org/range-parser/download/range-parser-1.2.1.tgz#3cf37023d199e1c24d1a55b84800c2f3e6468031"
  integrity sha1-PPNwI9GZ4cJNGlW4SADC8+ZGgDE=

[email protected]:
  version "2.4.0"
  resolved "https://registry.npm.taobao.org/raw-body/download/raw-body-2.4.0.tgz#a1ce6fb9c9bc356ca52e89256ab59059e13d0332"
  integrity sha1-oc5vucm8NWylLoklarWQWeE9AzI=
  dependencies:
    bytes "3.1.0"
    http-errors "1.7.2"
    iconv-lite "0.4.24"
    unpipe "1.0.0"

[email protected]:
  version "5.1.2"
  resolved "https://registry.npm.taobao.org/safe-buffer/download/safe-buffer-5.1.2.tgz?cache=0&sync_timestamp=1589129611964&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsafe-buffer%2Fdownload%2Fsafe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
  integrity sha1-mR7GnSluAxN0fVm9/St0XDX4go0=

"safer-buffer@>= 2.1.2 < 3":
  version "2.1.2"
  resolved "https://registry.npm.taobao.org/safer-buffer/download/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
  integrity sha1-RPoWGwGHuVSd2Eu5GAL5vYOFzWo=

[email protected]:
  version "0.17.1"
  resolved "https://registry.npm.taobao.org/send/download/send-0.17.1.tgz#c1d8b059f7900f7466dd4938bdc44e11ddb376c8"
  integrity sha1-wdiwWfeQD3Rm3Uk4vcROEd2zdsg=
  dependencies:
    debug "2.6.9"
    depd "~1.1.2"
    destroy "~1.0.4"
    encodeurl "~1.0.2"
    escape-html "~1.0.3"
    etag "~1.8.1"
    fresh "0.5.2"
    http-errors "~1.7.2"
    mime "1.6.0"
    ms "2.1.1"
    on-finished "~2.3.0"
    range-parser "~1.2.1"
    statuses "~1.5.0"

[email protected]:
  version "1.14.1"
  resolved "https://registry.npm.taobao.org/serve-static/download/serve-static-1.14.1.tgz#666e636dc4f010f7ef29970a88a674320898b2f9"
  integrity sha1-Zm5jbcTwEPfvKZcKiKZ0MgiYsvk=
  dependencies:
    encodeurl "~1.0.2"
    escape-html "~1.0.3"
    parseurl "~1.3.3"
    send "0.17.1"

[email protected]:
  version "1.1.1"
  resolved "https://registry.npm.taobao.org/setprototypeof/download/setprototypeof-1.1.1.tgz#7e95acb24aa92f5885e0abef5ba131330d4ae683"
  integrity sha1-fpWsskqpL1iF4KvvW6ExMw1K5oM=

"statuses@>= 1.5.0 < 2", statuses@~1.5.0:
  version "1.5.0"
  resolved "https://registry.npm.taobao.org/statuses/download/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
  integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=

[email protected]:
  version "1.0.0"
  resolved "https://registry.npm.taobao.org/toidentifier/download/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
  integrity sha1-fhvjRw8ed5SLxD2Uo8j013UrpVM=

type-is@~1.6.17, type-is@~1.6.18:
  version "1.6.18"
  resolved "https://registry.npm.taobao.org/type-is/download/type-is-1.6.18.tgz#4e552cd05df09467dcbc4ef739de89f2cf37c131"
  integrity sha1-TlUs0F3wlGfcvE73Od6J8s83wTE=
  dependencies:
    media-typer "0.3.0"
    mime-types "~2.1.24"

[email protected], unpipe@~1.0.0:
  version "1.0.0"
  resolved "https://registry.npm.taobao.org/unpipe/download/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
  integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=

[email protected]:
  version "1.0.1"
  resolved "https://registry.npm.taobao.org/utils-merge/download/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
  integrity sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=

vary@~1.1.2:
  version "1.1.2"
  resolved "https://registry.npm.taobao.org/vary/download/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
  integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=

---

1.2 启动模拟服务器

1.3 访问模拟服务器