如果您已经构造了由“ \ n”隔开的逗号分隔值的字符串，则可以将其作为附件发送带有以下快递中间件的附件：
“ \ n”
app.get("/csvdownload", function(req, res) { var csv = "A,B\n1,2\n"; res.set("Content-Disposition", "attachment; filename=whatever.csv"); res.type("csv"); res.end(csv); });
If you have constructed a string of comma-separated values organized into lines separated by "\n", you can send it as an attachment with express middleware like the following:
"\n"
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如果您已经构造了由
“ \ n”隔开的逗号分隔值的字符串，则可以将其作为附件发送带有以下快递中间件的附件：If you have constructed a string of comma-separated values organized into lines separated by
"\n", you can send it as an attachment with express middleware like the following: