npm install --save html2canvas 今天执行这段安装报错：
npm WARN using --force I sure hope you know what you are doing.
npm ERR! errno ETIMEDOUT
npm ERR! network request to http://registry.npmjs.org/html2canvas failed, reason: connect ETIMEDOUT 104.16.17.35:80
npm ERR! network This is a problem related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settings.
npm ERR! network
npm ERR! network If you are behind a proxy, please make sure that the
npm ERR! network 'proxy' config is set properly. See: 'npm help config'
npm ERR! A complete log of this run can be found in:
npm ERR! D:\nodejs\node_cache\_logs\2022-11-18T01_42_13_930Z-debug.log
1、查询下网络代理：
npm config get proxy
==》false
npm config get npm config get https-proxy
==>undefined
npm config get registry
==》http://registry.npmjs.org/
2、重新设置代理
npm config set proxy false
npm cache clean --force
npm config set registry https://registry.npmjs.org
3、安装成功
4、如果用官方源也不能连接的话，试试淘宝源（推荐）文章来源：https://www.toymoban.com/news/detail-600336.html
$ npm config set registry http://registry.npm.taobao.org/文章来源地址https://www.toymoban.com/news/detail-600336.html
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