vue安装vue-router出错

项目场景:

在vue中安装vue-router


问题描述:

提示:在安装过程中报错,缺少依赖:

PS D:\WebDeplpyer\workspace\Vue_Basic\vue_test> npm i vue-router
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! While resolving: vue_test@0.1.0
npm ERR! Found: vue@2.6.14
npm ERR! node_modules/vue
npm ERR!   vue@"^2.6.11" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer vue@"^3.0.0" from vue-router@4.0.12
npm ERR! node_modules/vue-router
npm ERR!   vue-router@"*" from the root project
npm ERR!
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
npm ERR!
npm ERR! See C:\Users\ASUS\AppData\Local\npm-cache\eresolve-report.txt for a full report.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\ASUS\AppData\Local\npm-cache\_logs\2022-02-16T06_43_35_320Z-debug.log

原因分析:

查阅资料,大部分都说是npm版本问题,新版本对下载要求比较严格。


解决方案:

根据错误提示,在命令行中加入–legacy-peer-deps,由于vue与vue-router版本兼容的问题,需要在安装语句后加入需要下载vue-router版本,不然会下载最新的vue-router版本。

npm install --legacy-peer-deps vue-router@4.0.13

也有可能因为是你要下载的router版本过高,如果下载版本过高,在启动项目时会报错,可以下载低版本的vue-router

npm install [email protected] --save-dev

在package.json文件中查看是否下载成功

  "dependencies": {
    "animate.css": "^4.1.1",
    "axios": "^0.25.0",
    "chromedriver": "^98.0.0",
    "core-js": "^3.6.5",
    "nanoid": "^3.2.0",
    "pubsub-js": "^1.9.4",
    "vue": "^2.6.11",
    "vue-resource": "^1.5.3",
    "vue-router": "^3.1.3",
    "vuex": "^3.6.2"
  },

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