在我的用户相册页面中,他们会看到他们上传的照片,每张照片上都有一个“制作默认”链接。
当用户点击make default
时,照片的ID就会存储在我的个人资料表的photo_id
列中。
问题是将它们重定向回:
localhost:3000/settings/photo_gallery/:id
有没有办法可以使用刚刚设置为默认照片的ID重定向回相册? Rails可以通过查看照片的ID找到我要重定向的相册,因为照片属于相册,相册中有很多照片吗?
我的数据库中有以下表格:
控制器操作:
def set_default_profile_photo
photo = Profile.find_by_user_id(current_user.id)
photo.photo_id = params[:photo_id]
photo.save
redirect_to "**HERE IS WHERE I'D LIKE TO REDIRECT TO THE PHOTOALBUM THE PHOTO IS IN**"
flash[:success] = "Default photo set!"
end
我的路线:
users GET /users(.:format) {:action=>"index", :controller=>"users"}
POST /users(.:format) {:action=>"create", :controller=>"users"}
new_user GET /users/new(.:format) {:action=>"new", :controller=>"users"}
edit_user GET /users/:id/edit(.:format) {:action=>"edit", :controller=>"users"}
user GET /users/:id(.:format) {:action=>"show", :controller=>"users"}
PUT /users/:id(.:format) {:action=>"update", :controller=>"users"}
DELETE /users/:id(.:format) {:action=>"destroy", :controller=>"users"}
sessions GET /sessions(.:format) {:action=>"index", :controller=>"sessions"}
POST /sessions(.:format) {:action=>"create", :controller=>"sessions"}
new_session GET /sessions/new(.:format) {:action=>"new", :controller=>"sessions"}
edit_session GET /sessions/:id/edit(.:format) {:action=>"edit", :controller=>"sessions"}
session GET /sessions/:id(.:format) {:action=>"show", :controller=>"sessions"}
PUT /sessions/:id(.:format) {:action=>"update", :controller=>"sessions"}
DELETE /sessions/:id(.:format) {:action=>"destroy", :controller=>"sessions"}
passwords GET /passwords(.:format) {:action=>"index", :controller=>"passwords"}
POST /passwords(.:format) {:action=>"create", :controller=>"passwords"}
new_password GET /passwords/new(.:format) {:action=>"new", :controller=>"passwords"}
edit_password GET /passwords/:id/edit(.:format) {:action=>"edit", :controller=>"passwords"}
password GET /passwords/:id(.:format) {:action=>"show", :controller=>"passwords"}
PUT /passwords/:id(.:format) {:action=>"update", :controller=>"passwords"}
DELETE /passwords/:id(.:format) {:action=>"destroy", :controller=>"passwords"}
profiles GET /profiles(.:format) {:action=>"index", :controller=>"profiles"}
POST /profiles(.:format) {:action=>"create", :controller=>"profiles"}
new_profile GET /profiles/new(.:format) {:action=>"new", :controller=>"profiles"}
edit_profile GET /profiles/:id/edit(.:format) {:action=>"edit", :controller=>"profiles"}
profile GET /profiles/:id(.:format) {:action=>"show", :controller=>"profiles"}
PUT /profiles/:id(.:format) {:action=>"update", :controller=>"profiles"}
DELETE /profiles/:id(.:format) {:action=>"destroy", :controller=>"profiles"}
emails GET /emails(.:format) {:action=>"index", :controller=>"emails"}
POST /emails(.:format) {:action=>"create", :controller=>"emails"}
new_email GET /emails/new(.:format) {:action=>"new", :controller=>"emails"}
edit_email GET /emails/:id/edit(.:format) {:action=>"edit", :controller=>"emails"}
email GET /emails/:id(.:format) {:action=>"show", :controller=>"emails"}
PUT /emails/:id(.:format) {:action=>"update", :controller=>"emails"}
DELETE /emails/:id(.:format) {:action=>"destroy", :controller=>"emails"}
root / {:controller=>"users", :action=>"new"}
success /success(.:format) {:action=>"success", :controller=>"users"}
login /login(.:format) {:action=>"new", :controller=>"sessions"}
logout /logout(.:format) {:action=>"destroy", :controller=>"sessions"}
reset_password /reset_password(.:format) {:action=>"new", :controller=>"passwords"}
setup_new_password /setup_new_password(.:format) {:action=>"edit", :controller=>"passwords"}
settings /settings(.:format) {:action=>"settings", :controller=>"users"}
settings_account /settings/account(.:format) {:controller=>"users", :action=>"account"}
settings_edit_profile /settings/edit_profile(.:format) {:controller=>"profiles", :action=>"edit_profile"}
/:username(.:format) {:controller=>"users", :action=>"show"}
change_password /change_password(.:format) {:action=>"change_password", :controller=>"users"}
profile_photo_set_default /profile_photo/set_default(.:format) {:controller=>"photo_albums", :action=>"set_default_profile_photo"}
album_photo_set_default /album_photo/set_default(.:format) {:controller=>"photo_albums", :action=>"set_default_album_photo"}
photo_albums GET /settings/photo_gallery(.:format) {:action=>"index", :controller=>"photo_albums"}
POST /settings/photo_gallery(.:format) {:action=>"create", :controller=>"photo_albums"}
new_photo_album GET /settings/photo_gallery/new(.:format) {:action=>"new", :controller=>"photo_albums"}
edit_photo_album GET /settings/photo_gallery/:id/edit(.:format) {:action=>"edit", :controller=>"photo_albums"}
photo_album GET /settings/photo_gallery/:id(.:format) {:action=>"show", :controller=>"photo_albums"}
PUT /settings/photo_gallery/:id(.:format) {:action=>"update", :controller=>"photo_albums"}
DELETE /settings/photo_gallery/:id(.:format) {:action=>"destroy", :controller=>"photo_albums"}
photos GET /settings/photo_gallery/photos(.:format) {:action=>"index", :controller=>"photos"}
POST /settings/photo_gallery/photos(.:format) {:action=>"create", :controller=>"photos"}
new_photo GET /settings/photo_gallery/photos/new(.:format) {:action=>"new", :controller=>"photos"}
edit_photo GET /settings/photo_gallery/photos/:id/edit(.:format) {:action=>"edit", :controller=>"photos"}
photo GET /settings/photo_gallery/photos/:id(.:format) {:action=>"show", :controller=>"photos"}
PUT /settings/photo_gallery/photos/:id(.:format) {:action=>"update", :controller=>"photos"}
DELETE /settings/photo_gallery/photos/:id(.:format) {:action=>"destroy", :controller=>"photos"}
答案 0 :(得分:24)
redirect_to :back
为我工作,但我想知道这是否是正确的选择
http://api.rubyonrails.org/files/actionpack/lib/action_controller/metal/redirecting_rb.html
答案 1 :(得分:18)
答案 2 :(得分:12)
在Rails 5中引入了函数:
redirect_back(fallback_location: root_path)
只要HTTP_REFERER
已知,它就会重定向。否则,它会重定向到fallback_location
。
{@ 1}}已弃用,将从Rails 5.1中删除。
答案 3 :(得分:1)
在一个项目中,我们使用会话进行临时存储,因为redirect_to :back
对我们不起作用。
我们设置了def new
session[:return_to] = request.referer
在def create
我们添加了redirect_to session[:return_to]
。
我不知道为什么我们不能使用redirect_to :back
答案 4 :(得分:0)
如果您来自photo_album页面,您应该可以:
redirect_to :back
否则,您应该可以执行命名路由,如:
redirect_to photo_album_path(photo.album_id) # or whatever the association key is
顺便说一下,你为什么要将photo_albums映射到photo_galleries?如果您以类似的方式命名资源和路线,那就不那么容易混淆了。即:如果您希望路径端点使用/ photo_galleries,则应将资源命名为PhotoGallery。
答案 5 :(得分:0)
还有一种方便的处理方式。
render :nothing => true