您应该在文本的开头添加 UTF-8 BOM，例如:

You should add the UTF-8 BOM at the start of the text, like:

var csvContent = "data:text/csv;charset=utf-8,%EF%BB%BF" + encodeURI(csvContent);

它在 Excel 2013 中对我有用.

It worked for me with Excel 2013.

演示小提琴