application/x-www-form-urlencoded(大多数请求可用:eg:'name=Denzel&age=18')multipart/form-data(文件上传,这次重点说)application/json(json 格式对象,eg:{'name':'Denzel','age':'18'})text/xml(现在用的很少了,发送 xml 格式文件或流,webservice 请求用的较多)问题描述 我想通过 fetch 异步上...
files[i]); } fetch('https://example.com/posts', { method: 'POST', body: formData }) .then(response => response.json()) .then(response => console.log('Success:', JSON.stringify(response))) .catch(error => console.error('Error:', error)); ...
首先,使用fetch函数发送POST请求到服务器。可以使用fetch的第一个参数指定请求的URL,第二个参数是一个配置对象,其中包含请求的方法(POST)、请求头(Content-Type)、请求体(body)等信息。 在请求体中,将要更新的值以JSON格式传递给服务器。可以使用JSON.stringify()函数将JavaScript对...
请求和响应 中都可以有 body 对象,Request 和 Response 对象 都实现了以下方法,用于获取 body 不同格式的内容:arrayBuffer()、blob()、json()、text()、formData() 七、检查 fetch 是否可用? 代码语言:txt 复制 if(self.fetch) { // run my fetch request here } else { // do something with XMLHttpReq...
) fetch(room_url, { "method": "POST", "body": data, }).then(...) In general, prefer sending request data as form data, as would be used when submitting an HTML form. JSON can represent more complex data, but unless you need that it’s better to stick with the simpler format....
Post with JSON import fetch from 'node-fetch'; const body = {a: 1}; const response = await fetch('https://httpbin.org/post', { method: 'post', body: JSON.stringify(body), headers: {'Content-Type': 'application/json'} }); const data = await response.json(); console.log(data)...
✔️ JSON Body If an object or a class with a.toJSON()method is passed to thebodyoption,ofetchautomatically stringifies it. ofetchutilizesJSON.stringify()to convert the passed object. Classes without a.toJSON()method have to be converted into a string value in advance before being pass...
fetch 提供了一个获取资源的接口 (包括跨域)。 fetch 的核心主要包括:Request , Response , Header , Body 利用了请求的异步特性 --- 它是基于 promise 的 2、用法 1 2 3 4 5 6 7 8 varrequest =newRequest('/users.json', { method:'POST', ...
body")[0].append(dom);constoriginFetch=fetch;console.log(originFetch)window.unsafeWindow.fetch=(url,options)=>{returnoriginFetch(url,options).then(async(response)=>{console.log(url)if(url==='http://localhost:3002/api/query'){constresponseClone=response.clone();letres=awaitresponseClone.json(...
constfetch=require('node-fetch');(async()=>{constresponse=awaitfetch('https://httpbin.org/post',{method:'POST',body:'a=1'});constjson=awaitresponse.json();console.log(json);})(); Post with JSON constfetch=require('node-fetch');(async()=>{constbody={a:1};constresponse=awaitfetch...