将抓取图像的位置保存到数据库 - Node/MEAN
Saving Location of Scraped Image to DB - Node/MEAN
抓取图像后,我可以使用请求下载到文件夹。我想将这张图片的位置传递给我的 Mongoose collection.
在回调中我认为应该有一种方法来保存位置,这样我就可以在保存我的模型时传递它 object。
exports.createLook = function(req, res) {
var url = req.body.image;
var randomizer = '123456';
var download = function(url, filename, callback) {
request(url)
.pipe(fs.createWriteStream(filename))
.on('close', callback);
};
download(url, '../client/assets/images/' + randomizer + '.jpg', function() {
console.log('done');
// do something?
});
// now get model details to save
var newLook = new Look();
newLook.title = req.body.title;
newLook.image = // image location
newLook.save(function(err, look) {
if(err) return res.send(500);
} else {
res.send(item);
}
}
假设将生成 'randomizer' 我会这样做:
exports.createLook = function(req, res) {
var url = req.body.image;
var randomizer = getSomthingRandom();
var download = function(url, filename, callback) {
request(url)
.pipe(fs.createWriteStream(filename))
.on('close', callback(filename);
};
download(url, '../client/assets/images/' + randomizer + '.jpg', function(filename) {
console.log('done');
// now get model details to save
var newLook = new Look();
newLook.title = req.body.title;
newLook.image = filename;
....
});
抓取图像后,我可以使用请求下载到文件夹。我想将这张图片的位置传递给我的 Mongoose collection.
在回调中我认为应该有一种方法来保存位置,这样我就可以在保存我的模型时传递它 object。
exports.createLook = function(req, res) {
var url = req.body.image;
var randomizer = '123456';
var download = function(url, filename, callback) {
request(url)
.pipe(fs.createWriteStream(filename))
.on('close', callback);
};
download(url, '../client/assets/images/' + randomizer + '.jpg', function() {
console.log('done');
// do something?
});
// now get model details to save
var newLook = new Look();
newLook.title = req.body.title;
newLook.image = // image location
newLook.save(function(err, look) {
if(err) return res.send(500);
} else {
res.send(item);
}
}
假设将生成 'randomizer' 我会这样做:
exports.createLook = function(req, res) {
var url = req.body.image;
var randomizer = getSomthingRandom();
var download = function(url, filename, callback) {
request(url)
.pipe(fs.createWriteStream(filename))
.on('close', callback(filename);
};
download(url, '../client/assets/images/' + randomizer + '.jpg', function(filename) {
console.log('done');
// now get model details to save
var newLook = new Look();
newLook.title = req.body.title;
newLook.image = filename;
....
});