我使用的是Rails 4,其中Paperclip和Dropzone.js。我有一个表格,用户可以填写所有内容,并可以上传照片,而不必让Dropzone自动上传。所以,使用下面的js它将“搁置”,直到我点击提交按钮。如何使用Dropzone.js和Rails 4提交页面重定向?
items/_form.html.erb
<%= form_for(@item, html: {class: 'form-horizontal form dropzone', multipart: true}) do |f| %>
<%= token_tag(nil) %>
<%= f.file_field :image, class: 'img-input', accept: 'image/png, image/jpeg, image/jpg', multiple: false %>
<%= f.submit 'Done', class: 'btn btn-primary btn-lg btn-block item-submit' %>
<% end %>
items.js
$(document).ready(function() {
// disable auto discover
Dropzone.autoDiscover = false;
var dropzone = new Dropzone (".dropzone", {
maxFiles: 1,
maxFilesize: 1,
paramName: "item[image]",
addRemoveLinks: true,
clickable:'#dropzonePreview',
previewsContainer: '#dropzonePreview',
thumbnailWidth: 300,
thumbnailHeight: 300,
autoProcessQueue: false,
uploadMultiple: false
});
$(".item-submit").click(function (e) {
e.preventDefault();
e.stopPropagation();
dropzone.processQueue();
}
);
});
Routes
resources :items
ItemsController
def new
@item = current_user.items.build
end
def create
@item = current_user.items.build(item_params)
if @item.save
redirect_to @item, notice: "item was successfully created"
else
render 'new'
end
end
我遇到的问题是,我可以创造一个新的项目并拖动ñ下降的相片,但是之后我提交表单,而不是重定向到项目/显示,它将保持在同一页上,并呈现错误:
EDITED
Started POST "/items" for 127.0.0.1 at 2015-09-02 15:19:36 -0700
Processing by ItemsController#create as JSON
Parameters: {"utf8"=>"✓", "authenticity_token"=>............
[1m[35m (11.6ms)[0m COMMIT
[1m[33mItem Store (45.9ms)[0m {"id":16}
Redirected to http://localhost:3000/items/16
Completed 302 Found in 2153ms (Searchkick: 45.9ms | ActiveRecord: 13.8ms)
Started GET "/items/16" for 127.0.0.1 at 2015-09-02 15:19:38 -0700
Processing by ItemsController#show as JSON
Parameters: {"id"=>"16"}
[1m[36mItem Load (0.4ms)[0m [1mSELECT "items".* FROM "items" WHERE "items"."id" = $1 LIMIT 1[0m [["id", 16]]
Completed 500 Internal Server Error in 5ms (ActiveRecord: 0.4ms)
ActionView::MissingTemplate - Missing template items/show, application/show with {:locale=>[:en], :formats=>[:json], :variants=>[], :handlers=>[:erb, :builder, :raw, :ruby, :coffee, :jbuilder]}. Searched in:
* "/home/user/dummyappone/app/views"
我怎样才能使它所以我提交表单时,它进入展会页面,仍然允许的显示闪存消息和错误,如果没有保存?
您可以发布您的日志文件,只是片断的地方提交表单后调用'create'? – trh
@trh是的,现在检查编辑。 –
你没有重定向,因为你的响应是在json中(正如你可以从你的日志文件中看到它是在json中处理的,而不是html)。您可以在表单中创建成功的js回调并执行window.location调用。 – trh