......
let fileCounter = 0;
const zippedFilename = encodeURIComponent(downloadData.name);
const list = downloadData.list || [];
const header = {
'Content-Type': 'application/x-zip',
'Pragma': 'public',
'Expires': '0',
'Cache-Control': 'private, must-revalidate, post-check=0, pre-check=0',
'Content-disposition': 'attachment; filename="' + zippedFilename + '"',
'Transfer-Encoding': 'chunked',
'Content-Transfer-Encoding': 'binary'
};
res.writeHead(200, header);
archive.store = true;
archive.pipe(res);
list.map(item => {
fileCounter++;
let inStream = request.get(item.downLoadUrl);
let name = item.fileName;
let length = 0;
inStream.on('response', function(awsData) {
archive.append(inStream, {
name: name
});
}).on('data', function(data) {
length += data.length;
}).on('error', function(e) {
console.error(name + '-error', e);
}).on('end', function(endData) {
fileCounter--;
if (fileCounter < 1) {
archive.finalize();
}
});
});
archive.on('error', function(err) {
throw err;
});
archive.on('finish', function(err) {
return res.end();
});
......
