报错如下：

npm ERR! code ERESOLVE

npm ERR! ERESOLVE unable to resolve dependency tree

npm ERR!

npm ERR! While resolving: webpackdemo@1.0.0

npm ERR! Found: webpack@5.73.0

npm ERR! node_modules/webpack

npm ERR! dev webpack@"^5.73.0" from the root project

npm ERR! Could not resolve dependency:

npm ERR! peer webpack@"^4.0.0" from optimize-css-assets-webpack-plugin@6.0.1

npm ERR! node_modules/optimize-css-assets-webpack-plugin

npm ERR! dev optimize-css-assets-webpack-plugin@"*" 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! for a full report.

解决：

1. 查看版本

// win+r 命令行输入以下代码查看版本

npm -v

node -v

2.降低npm版本

因为高版本的比低版本的严格，所以会报错

// win+r 命令行输入以下代码

npm install npm@6.14.10 -g

3.项目中删除文件

将项目中的node-modules文件夹和package-lock.json文件删除。

4.重新在项目中引入需要的配置

项目根目录下命令行：npm install 即可自动生成 步骤3 中删除的两个文件

5. 参考博客

https://blog.csdn.net/m0_51969330/article/details/119186416 https://blog.csdn.net/m0_67391521/article/details/123425411

推荐链接

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