接口 FetcherSubmitFunction

提交一个 fetcher <form> 到服务器，无需重新加载页面。

可以是多种类型的元素和对象

HTMLFormElement

<fetcher.Form
  onSubmit={(event) => {
    fetcher.submit(event.currentTarget);
  }}
/>

FormData

const formData = new FormData();
formData.append("myKey", "myValue");
fetcher.submit(formData, { method: "post" });

将被序列化为 FormData 的普通对象

fetcher.submit({ myKey: "myValue" }, { method: "post" });

将被序列化为 JSON 的普通对象

fetcher.submit(
  { myKey: "myValue" },
  { method: "post", encType: "application/json" }
);