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fileReader.html
File metadata and controls
36 lines (30 loc) · 812 Bytes
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>fileReader</title>
</head>
<body>
<input type='file' name="上传文件" onchange="handleFileChange(this.files)" />
<div>
<img id="showTarget" src="" alt="" />
</div>
<script>
const theId = document.getElementById('showTarget')
handleFileChange = fileList => {
console.log(fileList)
if (fileList.length>0){
let reader =new FileReader()
reader.readAsDataURL(fileList[0])
reader.onload= async e =>{
const base64 = e.target.result
theId.src=base64
console.log(base64)
}
}
}
</script>
</body>
</html>