下载文件，blob方式

时间：2022-10-06 22:20:17
<!doctype html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <meta name="viewport"

          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">

    <meta http-equiv="X-UA-Compatible" content="ie=edge">

    <title>Document</title>

</head>

<body>

<script>

//    var typedArray = GetTheTypedArraySomehow();

//    var blob = new Blob([typedArray], {type: "application/octet-binary"});// 传入一个合适的MIME类型

//    var url = URL.createObjectURL(blob);

//

//    console.log(url);

    createDownload("download.txt", "download file");

    function createDownload(fileName, content){

        var blob = new Blob([content]);

        var link = document.createElement("a");

        link.innerHTML = fileName;

        link.download = fileName;

        link.href = URL.createObjectURL(blob);

        document.getElementsByTagName("body")[0].appendChild(link);

    }

</script>

</body>

</html>

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