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Node.js TypeError:FormData.append:参数2未实现接口Blob_Node.js_Reactjs_Api_Axios - Fatal编程技术网
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Node.js TypeError:FormData.append:参数2未实现接口Blob

node.js reactjs api

Node.js TypeError:FormData.append:参数2未实现接口Blob,node.js,reactjs,api,axios,Node.js,Reactjs,Api,Axios,我正在尝试使用Reactjs和Nodejs上传excel文件。Nodejs代码在postman中运行良好，但在此处添加url时，它不起作用 App/this.fileUploadHandler src/App/App.js:33 30 | 31 | //FileName = event.target.files[0].name 32 | const fd = new FormData(); > 33 | fd.append('excel', this.state.selec

我正在尝试使用Reactjs和Nodejs上传excel文件。Nodejs代码在postman中运行良好，但在此处添加url时，它不起作用

App/this.fileUploadHandler
src/App/App.js:33

  30 | 
  31 | //FileName = event.target.files[0].name
  32 | const fd = new FormData();
> 33 | fd.append('excel', this.state.selectedFile, this.state.selectedFile.name);
     | ^  34 | axios.post('http://localhost:4000/upload', fd)
  35 | .then(res => {
  36 | console.log(res)