使用fetch()函数发送 POST 请求,并将method设置为'POST'。 使用await关键字等待服务器响应,然后根据响应结果进行处理。 请注意,你需要将示例代码中的'https://your-api-url.com/submit'替换为你自己的 API URL。 相关搜索: 如何使用Async/Await链接两个Fetch API请求 ...
All middlewares will populate the req.body property with the parsed body when the Content-Type request header matches the type option, or an empty object ({}) if there was no body to parse, the Content-Type was not matched, or an error occurred. 也就是说,当我们使用bodyParser提供的中间...
代码语言:txt 复制 // 创建一个包含要更新的值的JavaScript对象 const updatedValue = { id: 1, value: 'new value' }; // 将JavaScript对象转换为JSON字符串 const requestBody = JSON.stringify(updatedValue); // 发送POST请求 fetch('https://example.com/api/update', ...
log('There has been a problem with your fetch operation: ', error.message); }); 自定义请求对象var myHeaders = new Headers(); var myInit = { method: 'GET', headers: myHeaders, mode: 'cors', cache: 'default' }; var myRequest = new Request('flowers.jpg', myInit); fetch(my...
.catch(error =>{//处理错误console.error('There was a problem with the fetch operation:', error); });//fetch() 函数发送了一个 GET 请求到指定的 URL,并返回一个 Promise 对象。使用 .then() 方法处理响应,并将其解析为 JSON 格式。如果请求失败或者响应状态码不在 200-299 范围内,将会抛出一个...
you should never set that header yourself. We set the header properly with the boundary. If you set that header, we won't and your server won't know what boundary to expect (since it is added to the header). Remove your custom Content-Type header and you'll be fine.翻译过来就是：你...
function postData(url, data) { // Default options are marked with * return fetch(url, { body: JSON.stringify(data), // must match 'Content-Type' header cache: 'no-cache', // credentials: 'same-origin', // *omit不带cookie, same-origin同源带cookie, include跨域带cookie ...
postWithStream方法 postWithStream(url, body, onData) {// 使用 fetch 函数发送 POST 请求returnfetch(url, {method:"POST",// 指定 HTTP 方法为 POSTheaders: {"Content-Type":"application/json",// 指定请求内容类型为 JSON"Custom-Header":"value",// 自定义请求头},body:JSON.stringify(body),//...
("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept"); next(); }) app.post('/upload',upload.single('file'), (req, res) => { console.log('req body', req.body) console.log('req file', req.file) if (req.file.fieldname) { res.status(200).send(...
const response = await fetch("/api", { method: "POST", body: formData, }); handleFetchErrors(response); return await response.json(); } catch (e) { console.error(e); }问题:我得到的错误是 415 Unsupported Media Type 更具体一些 Resolved [org.springframework.web.HttpMediaTypeNotSupportedEx...