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Node14 is recommended
To retry the upload, you need to delete the file in /target directory, otherwise the upload will succeed directly because the server cache the file
download demo file: https://v0c98mphqw.feishu.cn/file/boxcnZ34jCyQziXxsS9NaV0zfre
Frontend
- Vue@2
- Element-ui
- Blob#slice: file slice
- FileReader + WebWorker + spark-md5: create file hash
- xhr: send formData
Backend
- Nodejs@14
- multiparty: resolve formData
npm install
npm run start