在React Native中,可以使用FormData对象来创建一个包含表单数据的实例。FormData对象提供了一组用于处理表单数据的方法。它可以用于发送包含文件上传、图像上传等的HTTP请求。 使用formData进行API调用的步骤如下: 导入必要的组件和方法: 代码语言:txt 复制 import { AsyncStorage } from 'react-native'; import RNFetch...
在React Native中使用axios或fetch发送formData可以实现向服务器发送包含文件或二进制数据的请求。formData是一种用于创建表单数据的API,可以通过添加键值对的方式将数据添加到formData对象中。 使用axios发送formData的步骤如下: 首先,安装axios库。可以使用npm或yarn进行安装。 首先,安装axios库。可以使用npm或yarn进...
嗨,刚学会使用 js 和 react-native。我不能使用 FormData,它总是显示不受支持的 bodyinit 类型。我想发送文本而不是 JSON.stringify。谁能帮我?谢谢! var data = new FormData() data.append('haha', 'input') fetch('http://www.mywebsite.com/search.php', { method: 'post', body: data }) .the...
method: 'POST' }; options.body = new FormData(); for (let key in data) { options.body.append(key, data[key]); } return fetch(requestUrl, options) .then(response => { return response.json() .then(responseJson => { //You put some checks here return responseJson; }); }...
Description import React, { useState } from 'react'; import { StyleSheet, Text, TouchableOpacity, View } from 'react-native'; import DocumentPicker from 'react-native-document-picker'; const FileUpload = () => { const [selectedFile, setS...
console.log(a.get('name'));//TypeError: a.get is not a function. (In 'a.get('name')', 'a.get' is undefined) 注意看,console.log(a);返回了一个对象,所以这就是为什么使用不了get方法。盲猜是react-native在这块做了处理,可以直接输出formdata的所有值,注意是所有值。
String freed of excess whitespace */ //去除字符串首尾的空白字符 function trim(str) { return str.replace(/^\s*/, '').replace(/\s*$/, ''); } /** * Determine if we're running in a standard browser environment * * This allows axios to run in a web worker, and react-native. *...
Recently I updated my application to react-native 0.74.1(latest), before the version was 0.64.4. In older version all works fine. Current versions: React native: 0.74.1 Node: >= 18 React: 18.2.0 Steps to reproduce Only try to submit some files using formData ...
TheFormDataobject lets you compile a set of key/value pairs to send using XMLHttpRequest.Its primarily intended for use in sending form data, but can be used independently from forms in order to transmit keyed data.The transmitted data is in the same format that the form's submit() method...
The main problem is that console.log formData does not work with React Router. ? console.log(formData); This code line prints the value of the formData variable to the console. console.log console.log(“Hello, world!”); formData