問題が1つあります。ホバー時に記事のDB IDを追加して記事を既読にし、以下のコードで毎回ページを更新するコードを実現しました。 私のコードがあります(追加されたデータ型)
$('.newness').hover(
function () {
$(this).addClass('hover');
newnessId = $(this).data('id');
$.ajax({url:'/user_activities', method: 'POST', data: {user_activity:{activity_id: newnessId}},
dataType: "script"
})
}
)
問題は「POST」だと思います。彼はページを更新します... たぶん解決策はすべてのajaxリクエストをスタックし、後で「ポスト」を実行することですが、私はそれを行う方法がわかりません、 悪い英語でごめんなさい
ログがあります:
Started POST "/user_activities.json" for 127.0.0.1 at 2018-05-25 14:31:49 +0200
Processing by UserActivitiesController#create as JSON
Parameters: {"user_activity"=>{"activity_id"=>"3"}}
User Load (1.6ms) SELECT "users".* FROM "users" WHERE "users"."id" = $1 ORDER BY "users"."id" ASC LIMIT $2 [["id", 2], ["LIMIT", 1]]
↳ /home/benjamin/.rbenv/versions/2.5.0/lib/ruby/gems/2.5.0/gems/activerecord-5.2.0.rc1/lib/active_record/log_subscriber.rb:98
(0.4ms) BEGIN
↳ app/controllers/user_activities_controller.rb:12
Activity Load (0.3ms) SELECT "activities".* FROM "activities" WHERE "activities"."id" = $1 LIMIT $2 [["id", 3], ["LIMIT", 1]]
↳ app/controllers/user_activities_controller.rb:12
UserActivity Exists (0.4ms) SELECT 1 AS one FROM "user_activities" WHERE "user_activities"."user_id" = $1 AND "user_activities"."activity_id" = $2 LIMIT $3 [["user_id", 2], ["activity_id", 3], ["LIMIT", 1]]
↳ app/controllers/user_activities_controller.rb:12
Started POST "/user_activities.json" for 127.0.0.1 at 2018-05-25 14:31:49 +0200
UserActivity Create (6.7ms) INSERT INTO "user_activities" ("activity_id", "user_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4) RETURNING "id" [["activity_id", 3], ["user_id", 2], ["created_at", "2018-05-25 12:31:49.932177"], ["updated_at", "2018-05-25 12:31:49.932177"]]
Processing by UserActivitiesController#create as JSON
↳ app/controllers/user_activities_controller.rb:12
Parameters: {"user_activity"=>{"activity_id"=>"3"}}
(2.5ms) COMMIT
↳ app/controllers/user_activities_controller.rb:12
Redirected to http://localhost:3000/
Completed 200 OK in 26ms (ActiveRecord: 11.9ms)
User Load (2.9ms) SELECT "users".* FROM "users" WHERE "users"."id" = $1 ORDER BY "users"."id" ASC LIMIT $2 [["id", 2], ["LIMIT", 1]]
↳ /home/benjamin/.rbenv/versions/2.5.0/lib/ruby/gems/2.5.0/gems/activerecord-5.2.0.rc1/lib/active_record/log_subscriber.rb:98
(0.7ms) BEGIN
↳ app/controllers/user_activities_controller.rb:12
Activity Load (0.6ms) SELECT "activities".* FROM "activities" WHERE "activities"."id" = $1 LIMIT $2 [["id", 3], ["LIMIT", 1]]
↳ app/controllers/user_activities_controller.rb:12
UserActivity Exists (0.9ms) SELECT 1 AS one FROM "user_activities" WHERE "user_activities"."user_id" = $1 AND "user_activities"."activity_id" = $2 LIMIT $3 [["user_id", 2], ["activity_id", 3], ["LIMIT", 1]]
↳ app/controllers/user_activities_controller.rb:12
(0.3ms) ROLLBACK
↳ app/controllers/user_activities_controller.rb:12
Redirected to http://localhost:3000/
Completed 200 OK in 19ms (ActiveRecord: 5.7ms)
Started GET "/" for 127.0.0.1 at 2018-05-25 14:31:49 +0200
Processing by PagesController#home as HTML
ROLLBACKは、モデルでuniqnessに言及しているためです:) アプリケーションはgetを開始します/投稿直後にページが更新されます/理由がわかりません
ありがとう:)
回答 3 件
答えがあります:) 私のコントローラーで私はちょうど削除します
redirect_to root_path
class UserActivitiesController < ApplicationController def destroy @useractivity = UserActivity.find(params[:id]) @useractivity.destroy end def create @user = current_user @useractivity = @user.user_activities.build(useractivities_params) @useractivity.save end private def useractivities_params params.require(:user_activity).permit(:activity_id) end end
RailsがajaxリクエストをHTMLタイプとして送信する場合、dataTypeを指定する必要があります。dataTypeを渡すことで、または私が行うように指定できます。 あなたはこれを次のように試すことができます:
<script> $('.newness').hover( function () { $(this).addClass('hover'); newnessId = $(this).data('id'); $.ajax({url:'/user_activities.json', method: 'POST', data: {user_activity:{activity_id: newnessId}}}) } ) </script>
dataType: "script"
に言及するのを忘れましたか ajaxリクエストで?