npm ERR! code EPERM syscall mkdir 解决方案：权限与缓存问题解析

npm ERR! code EPERM syscall mkdir 错误解析及解决方案在使用 npm 安装软件包时，你可能会遇到以下错误信息：npm ERR! code EPERMnpm ERR! syscall mkdirnpm ERR! path C:/Program Files/nodejs/node_cache/_cacachenpm ERR! errno EPERMnpm ERR! FetchError: Invalid response body while trying to fetch https://registry.npmjs.org/express: EPERM: operation not permitted, mkdir 'C:/Program Files/nodejs/node_cache/_cacache'.