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js二进制流转Blob对象。Blob对象再转File对象
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JavaScript 二進制轉文件
使用js將blob對象轉file對象
前端處理后端返回的二進制流文件
js中Blob對象一般用法
js中關于Blob對象的介紹與使用
上傳的文件對象
完整代碼實例
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>JavaScript 二進制轉文件
</title></head><body></body>
</html>
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in two_obj) {cacheArr[i] = two_obj[i];}var len = cacheArr.length;var buffer = new ArrayBuffer(len);var arr = new Uint8Array(buffer);for (var i = 0; i < len; i++) {arr[i] = cacheArr[i];}var data = new Blob([arr], { type: "image/png" });var downloadUrl = window.URL.createObjectURL(data);console.log(downloadUrl, data);const files = new window.File([data], "圖片", { type: data.type });console.log(files);
</script>
實際項目中: 后端返回圖片的二進制流 而不是圖片地址
總結
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