nodejs

# 
git clone https://github.com/Neveryu/bigfile-upload.git

# 
cd bigfile-upload

# 
npm i

# 
npm start

http://localhost:3000/

1200kb

2

• -${index}``hash``hash``hash

3

• hash

4

5

• 10kb2M

1hash

• hash spark-md5 public/hash.js
• file.slice(cur, cur + size)

2

• xhr upload.onProgress

3

• xhr abort()

3

• nodejs readStream/writeStream