Google App脚本外部API返回错误406

本文介绍了Google App脚本外部API返回错误406的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我正在尝试使用GAS中的可选高级参数来获取URL:

I'm trying to fetch a URL using optional advanced parameters in GAS:

function myFunction() {
  var options = {};
  options = {
    headers: {
      Authorization: 'Bearer ?????',
      'Content-Type': 'application/json',
    },
  };
  UrlFetchApp.fetch(<url>, options);
}

我总是得到:

HTTPResponse:

我在Excel Power Query中进行了相同的提取:

I did the same fetching in Excel Power Query:

let
    Source = Json.Document(Web.Contents(<URL>, [Headers=[Authorization="Bearer
?????????????", ContentType="application/json"]])),

它有效，它也可以在Postman中使用...

And it works, it works also using Postman...

GAS有什么问题?请帮我！在此先感谢大家.安德里亚

What's the problem with GAS? Please help me! Thanks in advance to everybody.Andrea

推荐答案

406 错误是因为服务器与客户端之间的内容协商失败.设置 Content-Type 时，Power查询和Postman也可能将接受的返回内容也广告为'application/json'，但是 UrlFetchApp 不会做同样的事情.添加一个显式的 Accept 标头可以解决此问题:

406 error is because content negotiation between server and client has failed. While setting Content-Type, It's possible that the accepted return content is also advertised as 'application/json' by Power query and Postman, but UrlFetchApp doesn't do the same. Adding a explicit Accept header solves this:

Accept: 'application/json'

参考文献:

406不可接受/Web MDN
RFC7231

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