如何在Mongoose和Nodejs中编辑文章

Question

我正在尝试使用nodejs创建博客。我可以将文件和数据上传到Mongoose成功。我的问题是：我无法编辑数据。

router.post('/admin/create-article',upload.any(), function(req,res,next){
    if(req.files){
        req.files.forEach(function(file){
            var filename = (new Date).valueOf() + "-" + file.originalname;
            fs.rename(file.path, 'public/uploads/images/thumbnails/' + filename, function(err){
                if(err)throw err;
                        //save to mongoose
                        var newArticle = {
                            title:req.body.title,
                            featured_image:filename,
                            article_content:req.body.article_content,
                            created_at:moment().format('MMMM Do YYY, h:mm:ss a')
                        };
                        Article.create(newArticle,function(err,result){
                            if(err){
                            }
                            res.json(result);
                        });
                    });
        });
    }
});

这是用于编辑（不工作）：

router.put('/admin/article/:id/edit',upload.any(), function(req,res,next){                                                                                                                       
            if(req.files){
                    req.files.forEach(function(file){
                        var filename = (new Date).valueOf() + "-" + file.originalname;
                        fs.readFile(file.path, 'public/uploads/images/thumbnails/' + filename, function(err){
                    //      if(err)throw err;
                                    //save to mongoose
                                    var editArticle = {
                                        title:req.body.title,
                                        featured_image:filename,
                                        article_content:req.body.article_content,
                                        created_at:moment().format('MMMM Do YYY, h:mm:ss a'),
                                    };
                                    Article.findByIdAndUpdate(req.params.id, editArticle, function(err,article){
                                        if(err){
                                            rep.flash('error', err.message);
                                            return res.redirect('/article/' + req.params.id);
                                        }
                                        req.flash('success','Articles updated successfully');
                                        console.log('success');
                                        res.redirect('/admin/articles/');
                                    });
                                });

                    });
            }
});

Answer 1

如果使用 findByIdAndUpdate mongoose命令，则应使用$set操作员。

...
//save to mongoose
var editArticle = {
  title          : req.body.title,
  featured_image : filename,
  article_content: req.body.article_content,
  created_at     : moment().format('MMMM Do YYY, h:mm:ss a'),
};
Article.findByIdAndUpdate(req.params.id, {$set: editArticle}, ...);