web看后缀名为step的三维图

利用千问ai和three.js完成前端按钮，及npm install；npm run dev包调用实现本地看图，代码如下，基本纯粹的前端很简单

https://blog-static.cnblogs.com/files/blogs/838816/vite.config.js?t=1787479678&download=true
https://files.cnblogs.com/files/blogs/838816/package-lock.json?t=1787479678&download=true
https://files.cnblogs.com/files/blogs/838816/package.json?t=1787479678&download=true
https://files.cnblogs.com/files/blogs/838816/main.js?t=1787479669&download=true