解决方法
执行下面装包语句
npm i --legacy-peer-deps错误日志
E:\kuaijie\employment-service\kj-ui>npm install
npm ERR! code ERESOLVE
npm ERR! ERESOLVE could not resolve
npm ERR!
npm ERR! While resolving: html-webpack-plugin@5.5.0
npm ERR! Found: webpack@4.46.0
npm ERR! node_modules/webpack
npm ERR! peer webpack@"^4.0.0" from @intervolga/optimize-cssnano-plugin@1.0.6
npm ERR! node_modules/@intervolga/optimize-cssnano-plugin
npm ERR! @intervolga/optimize-cssnano-plugin@"^1.0.5" from @vue/cli-service@4.4.6
npm ERR! node_modules/@vue/cli-service
npm ERR! dev @vue/cli-service@"4.4.6" from the root project
npm ERR! 4 more (@vue/cli-plugin-babel, @vue/cli-plugin-eslint, ...)
npm ERR! peer webpack@"^4.0.0 || ^5.0.0" from @soda/friendly-errors-webpack-plugin@1.8.1
npm ERR! node_modules/@soda/friendly-errors-webpack-plugin
npm ERR! @soda/friendly-errors-webpack-plugin@"^1.7.1" from @vue/cli-service@4.4.6
npm ERR! node_modules/@vue/cli-service
npm ERR! dev @vue/cli-service@"4.4.6" from the root project
npm ERR! 4 more (@vue/cli-plugin-babel, @vue/cli-plugin-eslint, ...)
npm ERR! 22 more (@vue/cli-plugin-babel, @vue/cli-plugin-eslint, ...)
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer webpack@"^5.20.0" from html-webpack-plugin@5.5.0
npm ERR! node_modules/html-webpack-plugin
npm ERR! dev html-webpack-plugin@"^5.5.0" from the root project
npm ERR! peer html-webpack-plugin@">=2.26.0" from @vue/preload-webpack-plugin@1.1.2
npm ERR! node_modules/@vue/preload-webpack-plugin
npm ERR! @vue/preload-webpack-plugin@"^1.1.0" from @vue/cli-service@4.4.6
npm ERR! node_modules/@vue/cli-service
npm ERR! dev @vue/cli-service@"4.4.6" from the root project
npm ERR! 4 more (@vue/cli-plugin-babel, @vue/cli-plugin-eslint, ...)
npm ERR!
npm ERR! Conflicting peer dependency: webpack@5.87.0
npm ERR! node_modules/webpack
npm ERR! peer webpack@"^5.20.0" from html-webpack-plugin@5.5.0
npm ERR! node_modules/html-webpack-plugin
npm ERR! dev html-webpack-plugin@"^5.5.0" from the root project
npm ERR! peer html-webpack-plugin@">=2.26.0" from @vue/preload-webpack-plugin@1.1.2
npm ERR! node_modules/@vue/preload-webpack-plugin
npm ERR! @vue/preload-webpack-plugin@"^1.1.0" from @vue/cli-service@4.4.6
npm ERR! node_modules/@vue/cli-service
npm ERR! dev @vue/cli-service@"4.4.6" from the root project
npm ERR! 4 more (@vue/cli-plugin-babel, @vue/cli-plugin-eslint, ...)
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\47937\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\47937\AppData\Local\npm-cache\_logs\2023-06-21T02_05_29_525Z-debug-0.log
背景：
在执行npm install时报错，用上面的语句重新执行就可以了。
参考链接：
npm ERR ERESOLVE could not resolve（npm 装包报错）_徐同保的博客-CSDN博客
