You may need to install it. Failed to resolve loader: script-loader

vue 启动 npm run serve 出现 script-loader 错误

错误信息
You may need to install it.
Failed to resolve loader: script-loader

先看看package.json文件，找到devDependencies发现没有script-loader

解决办法：执行安装命令 npm install -D script-loader

再次执行 npm run serve 启动成功