跨域API 简单跨域请求 只需要简单的设置允许跨域就可以了 def set_default_headers(self): self.set_header('Access-Control-Allow-Origin', '*') 满足下面条件的就是简单请求,否则就不是 Simple requests A simple cross-site request is one that meets all the following conditions: The only allowed methods…
项目基于Vue前端+Node后台,启动两个服务,请求数据时,端口不一致造成跨域报错: (No 'Access-Control-Allow-Origin' header is present on the requested resource) 经过查官方API得到以下两种思路: 1.在Node后台中设置,允许访问 1.1.用代码控制 app.all('*', function(req, res, next) { res.header("Access-Control-Allow-Origin&qu…