JS | fetch发送post请求 在使用fetchAPI 发送 POST 请求时,通常需要指定请求的方法为"POST",并且通过body参数传递要发送的数据。 示例代码 下面是一个简单的示例,演示如何使用fetchAPI 发送 POST 请求: consturl ='/api/endpoint';// 替换为你的后端接口 URLconstrequestData = {mmsi:209838000,startTime:'2024-...
you handle the response with the .then() method. In this case, we're not doing anything with the code yet, but you could use this same code to parse HTML documents, send data over POST requests, and more.
Fetch是一种用于发送HTTP请求的API,可以在Node.js中使用。在使用Fetch发送POST请求时,可以通过设置请求头的Content-Type为application/json来指定请求的数据格式为JSON。 如果希望服务器返回index.html而不是JSON数据,可以在发送POST请求时,设置请求头的Accept为text/html。这样服务器会根据请求头中的Accept字段来...
2、post请求 (1)不带参数 1// 通过fetch获取百度的错误提示页面2fetch('https://www.baidu.com/search/error.html', {3method: 'POST'// 指定是POST请求4})5.then((res)=>{6returnres.text()7})8.then((res)=>{9console.log(res)10}) (2)带参数 post请求传递参数: body: new URLSearchParams...
POST发送form数据 代码语言:javascript 复制 constformData=newFormData();formData.append('username','john_doe');formData.append('password','123456');fetch('https://example.com/login',{method:'POST',body:formData}).then(response=>response.json()).then(data=>console.log(data)).catch(error=>cons...
服务端(node.js)是以流的方式进行接收,接收完是一个JSON字符串,调用JSON.parse(params)可以对参数进行序列化 示例代码 客户端: consturl='http://192.168.43.216:3000'lettestRequest=newRequest(url+'/test',{method:'post',headers:{'Content-Type':'application/json;charset=utf-8;'},body:JSON.stringify(...
看到报错位置竟然是post中的catch, 可明明在Network中看到返回200了啊, 稍作镇静之后就意识到应该就是返回时数据处理报错了, 在resolve(res)上面打印也没走这个逻辑, 那就是 上一层.then(res=> res.json()有问题。 // 将.then(res=> res.json()) 替换成下面.then(res=>{console.log(res.json());retu...
Post with form parameters URLSearchParams is available on the global object in Node.js as of v10.0.0. See official documentation for more usage methods. NOTE: The Content-Type header is only set automatically to x-www-form-urlencoded when an instance of URLSearchParams is given as such: ...
fetch('/users',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({name:'Hubot',login:'hubot',})}) File upload varinput=document.querySelector('input[type="file"]')vardata=newFormData()data.append('file',input.files[0])data.append('user','hubot')fetch(...
Post with form parameters URLSearchParams is available on the global object in Node.js as of v10.0.0. See official documentation for more usage methods. NOTE: The Content-Type header is only set automatically to x-www-form-urlencoded when an instance of URLSearchParams is given as such: ...