我需要从GridFS下载一个简历,下面是我写的代码,但是这似乎没有给我一个物理文件供下载,这用于阅读内容。我该如何下载文件?
exports.getFileById = function(req, res){
var conn = mongoose.connection;
var gfs = Grid(conn.db, mongoose.mongo);
var id = req.params.ID;
gfs.exist({_id: id,root: 'resume'}, function (err, found) {
if (err) return handleError(err);
if (!found)
return res.send('Error on the database looking for the file.');
gfs.createReadStream({_id: id,root: 'resume'}).pipe(res);
});
};
希望这可以帮助!
exports.getFileById = function(req, res){
var role = req.session.user.role;
var conn = mongoose.connection;
var gfs = Grid(conn.db, mongoose.mongo);
gfs.findOne({ _id: req.params.ID, root: 'resume' }, function (err, file) {
if (err) {
return res.status(400).send(err);
}
else if (!file) {
return res.status(404).send('Error on the database looking for the file.');
}
res.set('Content-Type', file.contentType);
res.set('Content-Disposition', 'attachment; filename="' + file.filename + '"');
var readstream = gfs.createReadStream({
_id: req.params.ID,
root: 'resume'
});
readstream.on("error", function(err) {
res.end();
});
readstream.pipe(res);
});
};