vue_0">0. 安装vue环境

npm install -g npm --registry=https://registry.npm.taobao.org
npm config set registry https://registry.npm.taobao.org

# webpack
npm install webpack -g

npm install webpack-cli -g

webpack -v

# vue-cli
npm install -g @vue/cli

# ts
npm install -g typescript
# yarn
npm install -g yarn

# 创建Vue项目
vue create data-frontend
npm run serve

vuecli_g_29">1.npm uninstall vue-cli -g

1.1.描述

npm ERR! Cannot read property ‘package’ of null

1.2.解决方案

# 清除缓存
npm cache clean --force
npm uninstall vue-cli -g