共计 7073 个字符，预计需要花费 18 分钟才能阅读完成。
1.node.js 版本是否和前使用版本一致
2.npm 版本是否和前使用版本一致
3.vue 版本是否和前使用版本一致
4.vue 脚手架是否和前使用版本一致
5.npm 镜像是否和前使用版本一致
1. 检查版本
【node 版本】命令：node -v
结果：v16.13.0（我目前使用的版本）【npm 版本】命令：npm -v
结果：8.1.0【cnpm 版本】命令：cnpm -v
结果：cnpm@6.1.1【npm 映射网址（镜像网址）】命令：npm config get registry
结果：https://registry.npmjs.org/（我这里是官方默认镜像）【vue 脚手架版本】命令：vue -V
结果：@vue/cli 4.5.6
"vue": "^2.5.2",
2. 安装版本
【安装指定版本的 vue，需要卸载最新版本的 vue】npm uninstall -g @vue/cli【安装指定的 vue 版本脚手架】npm install -g @vue/cli@4.5.6【安装指定的 vue 版本】npm install vue@2.x.x
第二步：查看镜像源配置
1. 查看当前使用的镜像地址:
npm config get registry
2. 官方默认全局镜像
https://registry.npmjs.org
3. 设置镜像源：
npm config set registry https://registry.npm.taobao.org
4. 官方默认全局镜像
https://registry.npmjs.org
5. 给项目单独配置 npm 镜像源
项目根目录的 .npmrc 的配置，优先级最高，且随着项目一起，可以免去因不同开发者的电脑的环境配置不同而导致的依赖下载异常的问题；实际开发中也推荐在根目录下配置一份，可以给每个项目配置不同的镜像，项目之间的配置互不影响。
.npmrc 文件中写如下内容：
# 配置 npm 的默认镜像源为淘宝镜像源
registry = "https://registry.npm.taobao.org"
6. 常用镜像源
# 淘宝镜像源
https://registry.npmmirror.com
https://registry.npm.taobao.org
# 腾讯云镜像源
http://mirrors.cloud.tencent.com/npm/
# 华为云镜像源
https://mirrors.huaweicloud.com/repository/npm/
# 官方默认全局镜像
https://registry.npmjs.org
第三步：初始化项目
npm install
1. 初始化报错
D:projects 项目目录 >npm install
npm WARN deprecated stable@0.1.8: Modern JS already guarantees Array#sort() is a stable sort, so this library is deprecated. See the compatibility table on MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort#browser_compatibility
npm WARN deprecated source-map-url@0.4.1: See https://github.com/lydell/source-map-url#deprecated
npm WARN deprecated flatten@1.0.3: flatten is deprecated in favor of utility frameworks such as lodash.
npm WARN deprecated urix@0.1.0: Please see https://github.com/lydell/urix#deprecated
npm WARN deprecated har-validator@5.1.5: this library is no longer supported
npm WARN deprecated browserslist@1.7.7: Browserslist 2 could fail on reading Browserslist >3.0 config used in other tools.
npm WARN deprecated browserslist@1.7.7: Browserslist 2 could fail on reading Browserslist >3.0 config used in other tools.
npm WARN deprecated browserslist@1.7.7: Browserslist 2 could fail on reading Browserslist >3.0 config used in other tools.
npm WARN deprecated acorn-dynamic-import@2.0.2: This is probably built in to whatever tool you're using. If you still need it... idk
npm WARN deprecated source-map-resolve@0.5.3: See https://github.com/lydell/source-map-resolve#deprecated
npm WARN deprecated chokidar@2.1.8: Chokidar 2 does not receive security updates since 2019. Upgrade to chokidar 3 with 15x fewer dependencies
npm WARN deprecated chokidar@2.1.8: Chokidar 2 does not receive security updates since 2019. Upgrade to chokidar 3 with 15x fewer dependencies
npm WARN deprecated resolve-url@0.2.1: https://github.com/lydell/resolve-url#deprecated
npm WARN deprecated browserslist@2.11.3: Browserslist 2 could fail on reading Browserslist >3.0 config used in other tools.
npm WARN deprecated consolidate@0.14.5: Please upgrade to consolidate v1.0.0+ as it has been modernized with several long-awaited fixes implemented. Maintenance is supported by Forward Email at https://forwardemail.net ; follow/watch https://github.com/ladjs/consolidate for updates and release changelog
npm WARN deprecated html-webpack-plugin@2.30.1: out of support
npm WARN deprecated extract-text-webpack-plugin@3.0.2: Deprecated. Please use https://github.com/webpack-contrib/mini-css-extract-plugin
npm WARN deprecated shvl@2.0.3: older versions vulnerable to prototype pollution
npm WARN deprecated vuex-persistedstate@4.1.0: Package no longer supported. Contact Support at https://www.npmjs.com/support for more info.
npm WARN deprecated uuid@3.4.0: Please upgrade to version 7 or higher. Older versions may use Math.random() in certain circumstances, which is known to be problematic. See https://v8.dev/blog/math-random for details.
npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
npm WARN deprecated uglify-es@3.3.9: support for ECMAScript is superseded by `uglify-js` as of v3.13.0
npm WARN deprecated bfj-node4@5.3.1: Switch to the `bfj` package for fixes and new features!
npm WARN deprecated svgo@0.7.2: This SVGO version is no longer supported. Upgrade to v2.x.x.
npm WARN deprecated svgo@1.3.2: This SVGO version is no longer supported. Upgrade to v2.x.x.
npm WARN deprecated core-js@2.6.12: core-js@
2. 清理缓存
npm cache clean --force
运行后提示
npm WARN using --force Recommended protections disabled.
意思是
npm WARN using——force 禁用推荐保护。继续执行下面命令
npm cache verify
删除“node_modules”文件夹，重新安装，运行
npm install
此时我的安装还是报错，错误和上面一致。
原本我想着他总是说【node-sass】的问题
npm ERR! path D:projects 项目目录 node_modulesnode-sass
我根据【package.json】文件里的
"node-sass": "^6.0.1",
想着单独安装下“node-sass”，下面命令的意思是，安装“node-sass”版本号是 6.0.1
npm i node-sass@6.0.1
结果安装后还是报错，和上面的错误一致
3. 我开始怀疑是下面的这个错误引起的
npm ERR! gyp verb find Python Python is not set from command line or npm configuration
npm ERR! gyp verb find Python Python is not set from environment variable PYTHON
npm ERR! gyp verb find Python checking if "python3" can be used
npm ERR! gyp verb find Python - executing "python3" to get executable path
npm ERR! gyp verb find Python - "python3" is not in PATH or produced an error
npm ERR! gyp verb find Python checking if "python" can be used
npm ERR! gyp verb find Python - executing "python" to get executable path
npm ERR! gyp verb find Python - executable path is "C:UserscpengAppDataLocalProgramsPythonPython38-32python.exe"
npm ERR! gyp verb find Python - executing "C:UserscpengAppDataLocalProgramsPythonPython38-32python.exe" to get version
npm ERR! gyp verb find Python - version is "3.8.5"
npm ERR! gyp info find Python using Python version 3.8.5 found at "C:UserscpengAppDataLocalProgramsPythonPython38-32python.exe"
npm ERR! gyp verb get node dir no --target version specified, falling back to host node version: 16.13.0
译文
npm ERR！gyp 谓词 find Python Python 不是从命令行或 npm 配置中设置的
npm ERR！gyp 动词 find Python Python 不是从环境变量 Python 中设置的
npm ERR！gyp 动词 find Python 检查是否可以使用“python3”npm ERR！gyp 动词 find Python- 执行“python3”以获取可执行路径
npm ERR！gyp 动词 find Python-“python3”不在 PATH 中或产生错误
npm ERR！gyp 动词 find Python 检查是否可以使用“Python”npm ERR！gyp 动词 find Python- 执行“Python”以获取可执行路径
npm ERR！gyp 动词 find Python- 可执行路径为“C:UserscpengAppDataLocalProgramsPythonPython38-32Python.exe”npm ERR！gyp 动词查找 Python- 执行“C:UserscpengAppDataLocalProgramsPythonPython38-32Python.exe”以获取版本
** 自我介绍一下，小编 13 年上海交大毕业，曾经在小公司待过，也去过华为、OPPO 等大厂，18 年进入阿里一直到现在。**
** 深知大多数 Python 工程师，想要提升技能，往往是自己摸索成长或者是报班学习，但对于培训机构动则几千的学费，着实压力不小。自己不成体系的自学效果低效又漫长，而且极易碰到天花板技术停滞不前！**
** 因此收集整理了一份《2024 年 Python 开发全套学习资料》，初衷也很简单，就是希望能够帮助到想自学提升又不知道该从何学起的朋友，同时减轻大家的负担。**
** 既有适合小白学习的零基础资料，也有适合 3 年以上经验的小伙伴深入学习提升的进阶课程，基本涵盖了 95% 以上前端开发知识点，真正体系化！**
** 由于文件比较大，这里只是将部分目录大纲截图出来，每个节点里面都包含大厂面经、学习笔记、源码讲义、实战项目、讲解视频，并且后续会持续更新 **
** 如果你觉得这些内容对你有帮助，可以扫码获取！！！（备注 Python）**
csdnimg.cn/img_convert/252731a671c1fb70aad5355a2c5eeff0.png)
** 既有适合小白学习的零基础资料，也有适合 3 年以上经验的小伙伴深入学习提升的进阶课程，基本涵盖了 95% 以上前端开发知识点，真正体系化！**
** 由于文件比较大，这里只是将部分目录大纲截图出来，每个节点里面都包含大厂面经、学习笔记、源码讲义、实战项目、讲解视频，并且后续会持续更新 **
** 如果你觉得这些内容对你有帮助，可以扫码获取！！！（备注 Python）**
原文地址: npm install 报错，解决记录_npm warn using –force recommended protections dis
正文完
