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moyu.html
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moyu.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./huashui.js"></script>
</head>
<body>
<input type="file" name="" id="upload" />
<script>
// 100kb
const chunkSize = 1024 * 100
let chunkNum = 0
const promises = []
const button = document.querySelector('#upload')
button.addEventListener('change', function(e){
// console.log(this.files)
const [file] = this.files
chunkNum = file.size / chunkSize
console.log(Math.ceil(chunkNum), chunkNum, file.size)
for(let i = 0; i < chunkNum; i++){
const chunk = file.slice(i * chunkSize, (i + 1) * chunkSize)
promises.push({chunk, hash: `${file.name}_${i}`})
}
})
</script>
</body>
</html>