解决vue和vuex安装版本冲突,npm ERR! ERESOLVE unable to resolve dependency tree

先看看在vue中安装vuex版本冲突时的报错

npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! Found: vue@2.7.8
npm ERR! node_modules/vue
npm ERR!   vue@"^2.6.14" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer vue@"^3.0.2" from vuex@4.0.2
npm ERR! node_modules/vuex
npm ERR!   vuex@"*" 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\CRain\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\CRain\AppData\Local\npm-cache\_logs\2022-07-30T08_16_52_001Z-debug-0.log

 

npm ERR!   vue@"^2.6.14" from the root project

这里可以看到当前安装的vue版本为vue2，也可以在vue根目录下面的package.json文件中查看当前安装的vue以及其他一些东西的版本

在vue2中需要安装vuex3的版本

npm i vuex@3 --save

在vue3中需要安装vuex4的版本

npm i vuex@4 --save