如何使用axios post请求上传文件

npm install axios

import axios from 'axios';

const formData = new FormData();
formData.append('file', file); // file是要上传的文件对象，可以通过<input type="file">元素获取

axios.post('/upload', formData)
  .then(response => {
    // 处理上传成功的响应
    console.log(response.data);
  })
  .catch(error => {
    // 处理上传失败的错误
    console.error(error);
  });

formData.append('name', 'John Doe');

axios.post('/upload', formData, {
  headers: {
    'Content-Type': 'multipart/form-data'
  }
})

axios.post('/upload', formData, {
  onUploadProgress: progressEvent => {
    const percentCompleted = Math.round((progressEvent.loaded * 100) / progressEvent.total);
    console.log(percentCompleted);
  }
})