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simple_frontend_using_vue.js's Introduction

文件结构

  • frontend:vue.js脚手架
  • dist:静态网页,由脚手架build得到
  • app.py:Flask写的简易后端,用以检测前端的正确性

基本运行

  • 打开app.py
    • 很可能报错,按照提示安装相关包,直到正常运行
    • 打开localhost:5000

修改前端

  • 先安装node.js
  • 启动终端,运行run.py
  • 再启动一个终端,进入frontend文件夹
  • 输入npm install 安装依赖包
  • 修改网页。输入npm run dev 运行网页,在8080端口调试
  • 修改好后,使用npm run build生成静态网页文件

注意事项

  • 在静态的情况下,需要从run.py进入,而不能直接打开index.html。
    • 因为在没有后端的提示下,前端并不知道,应该把前端的信息流发给哪一个端口。
    • 而run.py中确定了static_folder。这样由后端启动前端,并告诉前端返回信息的端口。
  • 动态修改网页时,使用8080端口
    • 我们使用了代理,直接请求5000端口。
    • 相当于手动指定前端应该找哪一个端口。参数在config/index.js中设定
    • 5000端口还运行着dist里的静态文件。但他可以给动态前端提供服务
  • 调试情况下
    • 前端代码修改后保存,刷新8080网页即更新,不需要重新run dev
    • 后端代码修改后保存,需要重新在终端执行命令,才能更新。

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