基于前后端数据接口定制平台rap开放API的本地参数校验及数据mock服务
基于前后端数据接口定制平台rap开放API的本地参数校验及数据mock服务
起初的思路是：当前端发起Ajax请求的时候，进行HTTP拦截，然后指定项目的projectId，使用爬虫程序直接去爬取rap对应url页面的数据，对请求参数进行校验后，使用Mockjs自己进行数据mock后返回给前端的请求。 但是在使用request模块对相应的url进行请求后发现，页面的数据都是在页面load之后使用js进行Ajax请求动态渲染到页面的，也就说爬虫根本没法爬取到页面的数据。 于是，以上的思路放弃掉。
后来，我去查了下rap的API开放文档，发现rap自己提供了对参数的校验以及对数据进行mock并对外提供mock数据的接口，于是，理所当然的我们就可以直接去调他们这些接口即可，无需再自己去折腾。但是整体的实现思路还是基于上面的思路，具体可以看代码，实现比较简单。
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koa教程
koa跨域支持模块：koa-cors
request同步写法：co-request
koa 利用 node-fetch 写个自己的代理
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