Ruby on rails 在rails中使用回形针3.3.1进行图像裁剪
我遵循了裁剪教程。 一切正常,图像上传成功,但裁剪不起作用。当我选择要裁剪的特定区域,然后单击裁剪按钮,然后回形针裁剪头像,然后删除它。这个过程在一个永无止境的循环中重复。因此,我强制停止服务器以停止它 我的控制台输出:Ruby on rails 在rails中使用回形针3.3.1进行图像裁剪,ruby-on-rails,image-processing,paperclip,Ruby On Rails,Image Processing,Paperclip,我遵循了裁剪教程。 一切正常,图像上传成功,但裁剪不起作用。当我选择要裁剪的特定区域,然后单击裁剪按钮,然后回形针裁剪头像,然后删除它。这个过程在一个永无止境的循环中重复。因此,我强制停止服务器以停止它 我的控制台输出: Started POST "/users/change_img" for 127.0.0.1 at 2012-12-07 14:59:29 +0530 Processing by UsersController#change_img as HTML
Started POST "/users/change_img" for 127.0.0.1 at 2012-12-07 14:59:29 +0530
Processing by UsersController#change_img as HTML
Parameters: {"utf8"=>"✓", "authenticity_token"=>"k5fMemUGLIgbpIjiguRQKL9eiZ=",
"user"=>{"crop_x"=>"230", "crop_y"=>"0", "crop_w"=>"249", "crop_h"=>"249"},
"commit"=>"Crop"}
[1m[35mUser Load (0.4ms)[0m SELECT "users".* FROM "users" WHERE "users"."id" = 36 LIMIT 1
[1m[36m (0.1ms)[0m [1mbegin transaction[0m
Command :: identify -format %wx%h '/tmp/freedomking20121207-23324-1y5h619.jpg[0]'
Command :: identify -format %m '/tmp/freedomking20121207-23324-1y5h619.jpg[0]'
Command :: identify -format %m '/tmp/freedomking20121207-23324-1y5h619.jpg[0]'
Command :: convert '/tmp/freedomking20121207-23324-1y5h619.jpg[0]' -crop 249x249+230+0 -auto-orient -resize "x100" +repage '/tmp/freedomking20121207-23324-1y5h61920121207-23324-xzdzn7'
Command :: file -b --mime '/tmp/freedomking20121207-23324-1y5h61920121207-23324-xzdzn7'
Command :: identify -format %wx%h '/tmp/freedomking20121207-23324-1y5h619.jpg[0]'
Command :: identify -format %m '/tmp/freedomking20121207-23324-1y5h619.jpg[0]'
Command :: identify -format %m '/tmp/freedomking20121207-23324-1y5h619.jpg[0]'
Command :: convert '/tmp/freedomking20121207-23324-1y5h619.jpg[0]' -crop 249x249+230+0 -auto-orient -resize "500x500>" '/tmp/freedomking20121207-23324-1y5h61920121207-23324-z3d34f'
Command :: file -b --mime '/tmp/freedomking20121207-23324-1y5h61920121207-23324-z3d34f'
[paperclip] deleting /home/saurabh/Workspaces/eclipse/img_cropper_ws/paperclip_cropper /public/system/avatars/36/original/freedomking.jpg
[paperclip] deleting /home/saurabh/Workspaces/eclipse/img_cropper_ws/paperclip_cropper/public/system/avatars/36/small/freedomking.jpg
[paperclip] deleting /home/saurabh/Workspaces/eclipse/img_cropper_ws/paperclip_cropper/public/system/avatars/36/large/freedomking.jpg
[1m[35m (0.7ms)[0m UPDATE "users" SET "avatar_updated_at" = '2012-12-07 09:29:29.286191', "updated_at" = '2012-12-07 09:29:29.639348' WHERE "users"."id" = 36
Command :: identify -format %wx%h '/tmp/freedomking20121207-23324-1nreivu.jpg[0]'
Command :: identify -format %m '/tmp/freedomking20121207-23324-1nreivu.jpg[0]'
Command :: identify -format %m '/tmp/freedomking20121207-23324-1nreivu.jpg[0]'
Command :: convert '/tmp/freedomking20121207-23324-1nreivu.jpg[0]' -crop 249x249+230+0 -auto-orient -resize "x100" +repage '/tmp/freedomking20121207-23324-1nreivu20121207-23324-1l0osan'
Command :: file -b --mime '/tmp/freedomking20121207-23324-1nreivu20121207-23324-1l0osan'
Command :: identify -format %wx%h '/tmp/freedomking20121207-23324-1nreivu.jpg[0]'
Command :: identify -format %m '/tmp/freedomking20121207-23324-1nreivu.jpg[0]'
Command :: identify -format %m '/tmp/freedomking20121207-23324-1nreivu.jpg[0]'
Command :: convert '/tmp/freedomking20121207-23324-1nreivu.jpg[0]' -crop 249x249+230+0 -auto-orient -resize "500x500>" '/tmp/freedomking20121207-23324-1nreivu20121207-23324-1irzeiq'
Command :: file -b --mime '/tmp/freedomking20121207-23324-1nreivu20121207-23324-1irzeiq'
[paperclip] deleting /home/saurabh/Workspaces/eclipse/img_cropper_ws/paperclip_cropper/public/system/avatars/36/original/freedomking.jpg
[paperclip] deleting /home/saurabh/Workspaces/eclipse/img_cropper_ws/paperclip_cropper/public/system/avatars/36/small/freedomking.jpg
[paperclip] deleting /home/saurabh/Workspaces/eclipse/img_cropper_ws/paperclip_cropper/public/system/avatars/36/large/freedomking.jpg
[1m[36m (0.3ms)[0m [1mUPDATE "users" SET "avatar_updated_at" = '2012-12-07 09:29:29.648417', "updated_at" = '2012-12-07 09:29:29.639348' WHERE "users"."id" = 36[0m
Command :: identify -format %wx%h '/tmp/freedomking20121207-23324-f9rq0q.jpg[0]'
Command :: identify -format %m '/tmp/freedomking20121207-23324-f9rq0q.jpg[0]'
Command :: identify -format %m '/tmp/freedomking20121207-23324-f9rq0q.jpg[0]'
Command :: convert '/tmp/freedomking20121207-23324-f9rq0q.jpg[0]' -crop 249x249+230+0 -auto-orient -resize "x100" +repage '/tmp/freedomking20121207-23324-f9rq0q20121207-23324-1r94x6v'
Command :: file -b --mime '/tmp/freedomking20121207-23324-f9rq0q20121207-23324-1r94x6v'
Command :: identify -format %wx%h '/tmp/freedomking20121207-23324-f9rq0q.jpg[0]'
Command :: identify -format %m '/tmp/freedomking20121207-23324-f9rq0q.jpg[0]'
Command :: identify -format %m '/tmp/freedomking20121207-23324-f9rq0q.jpg[0]'
Command :: convert '/tmp/freedomking20121207-23324-f9rq0q.jpg[0]' -crop 249x249+230+0 -auto-orient -resize "500x500>" '/tmp/freedomking20121207-23324-f9rq0q20121207-23324-m0brtm'
Command :: file -b --mime '/tmp/freedomking20121207-23324-f9rq0q20121207-23324-m0brtm'
正如您所看到的,控制台中有一个不断重复的Update
查询
还请注意,教程中提到的模块回形针
不起作用,因此我做了一些更改使其起作用。虽然有效,但造成了这种尴尬的问题。
在强制终止服务器后检查图像时,我看到文件夹中的图像被成功剪切。但是在循环中也会被删除,这会重复
我的裁剪方法
def change_img
@user = current_user
@user.update_attributes(params[:user])
flash[:notice] = "Successfully updated Image."
render :action => 'crop'
end
在上面的方法中,update属性
查询会导致问题,并在循环中更新图像并删除它,正如您在我的控制台输出中看到的那样
这似乎是模块中的回形针处理器造成的。但我不知道为什么
或
在User
model-
类用户 has_attached_file :avatar, :path => ":rails_root/public/system/:attachment/:id/:style/:filename",
:url => "/system/:attachment/:id/:style/:filename",
:processors => [:cropper],
:styles => { :small => "100x100#", :large => "500x500>" }
after_update :reprocess_avatar, :if => :cropping?
def cropping?
!crop_x.blank? && !crop_y.blank? && !crop_w.blank? && !crop_h.blank?
end
def avatar_geometry(style = :original)
@geometry ||= {}
@geometry[style] ||= Paperclip::Geometry.from_file(avatar.path(style))
end
private
def reprocess_avatar
avatar.reprocess!
end
结束呼叫化身。重新处理!从控制器开始,以避免递归 呼叫阿凡达。重新处理!从控制器开始,以避免递归 我发现了问题。它在用户模型中。实际上,在更新用户之后,裁剪方法被一次又一次地调用。但我不知道如何避免这种延续。如果在更新后删除
中的If条件,则每次更新用户时都会调用裁剪方法。我发现了问题。它在用户模型中。实际上,在更新用户之后,裁剪方法被一次又一次地调用。但我不知道如何避免这种延续。如果在更新后删除中的If条件,则每次更新用户时都会调用裁剪方法。