fetch() 在 react-native (iOS) 上做 GET 而不是 POST

fetch() doing GET instead of POST on react-native (iOS)(fetch() 在 react-native (iOS) 上做 GET 而不是 POST)

问题描述

我的组件中有以下代码:

I have the following code in my component:

fetch('https://domain.com/api', {
  method: 'POST',
  headers: {'Accept': 'application/json', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    key: 'value'
  })
}).
  then((response) => {
    console.log('Done', response);
  });

并且每次请求都是 GET(检查服务器日志).我认为这与 CORS (但在 react-native 中显然没有这样的事情)和 ATS (但默认情况下已经关闭，加上我的域是 HTTPS)有关.我已经从浏览器和 curl 尝试过，它工作得很好，所以服务器配置先验没有问题.知道这里发生了什么吗?

And every time the request is a GET (checked server logs). I thought it was something to do with CORS (but apparently no such thing in react-native) and ATS (but already turned off by default, plus my domain is HTTPS). I've tried from a browser and from a curl and it worked perfectly, so a priori no issue on server configuration. Any idea what's going on here?

我正在使用最新的 react-native 版本.

I'm using the latest react-native version.

推荐答案

经过深挖，肯定是API+fetch的问题.我在 URL 的末尾缺少一个斜杠，API 发出了 301，fetch 没有正确处理.所以我不知道在 fetch 函数(和底层机制)中是否有什么要修复的，但这解决了我的问题:)

After further digging, it was definitely an issue with the API + fetch. I was missing a slash at the end of the URL and the API issued a 301, that fetch didn't handle correctly. So I don't know if there is something to fix in the fetch function (and underlying mechanisms) but this fixed my issue :)

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