如何更改URL.createObjectURL下载名称? [英] How to change URL.createObjectURL download name?

问题描述

我正在构建一个在线csv转换器，允许用户上载csv文件并下载处理后的csv输出文件.一切正常，只是下载的文件的名称看起来像"6fd665aa-74d7-4b4e-96e1-38aea0cca9e6.csv"(每次都会更改)与输入文件的名称无关.

I'm building an online csv converter that allows a user to upload a csv file and download the processed csv output file. Everything works fine, except the dowloaded file has a name that looks like "6fd665aa-74d7-4b4e-96e1-38aea0cca9e6.csv" (it changes every time) that has nothing to do with the input file's name.

如何更改此下载的文件名?

How can I change this downloaded file name ?

const processedStr = convertCSV(text);
const myBlob = new Blob([processedStr], {type : 'text/csv'});
dllink.href = window.URL.createObjectURL(myBlob);
dllink.click();

推荐答案

您可以尝试向 dllink 变量添加属性.它将为 download 属性命名，并为文件命名.

You can try to add an attribute to the dllink variable. It will give a name to the download attribute and hence the file.

const processedStr = convertCSV(text);
const myBlob = new Blob([processedStr], {type : 'text/csv'});
dllink.href = window.URL.createObjectURL(myBlob); 
dllink.setAttribute("download","custom_name.csv"); // Added Line 
dllink.click();

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