发送资源的时候不选任何课程项目的时候不要弹出框发送成功

app/controllers/users_controller.rb

@@ -1066,10 +1066,14 @@ class UsersController < ApplicationController
 
   # 将资源发送到对应的课程,分为发送单个，或者批量发送
   def add_exist_file_to_course
+    @flag = true
    if  params[:send_id].present?
       send_id  = params[:send_id]
       ori = Attachment.find_by_id(send_id)
       course_ids = params[:course_ids]
+      if course_ids.nil?
+        @flag = false
+      end
         unless course_ids.nil?
           course_ids.each do |id|
             next if ori.blank?
@@ -1087,9 +1091,13 @@ class UsersController < ApplicationController
         end
     elsif params[:send_ids].present?
       send_ids = params[:send_ids].split(" ")
+      course_ids = params[:course_ids]
+      if course_ids.nil?
+        @flag = false
+      end
       send_ids.each do |send_id|
         ori = Attachment.find_by_id(send_id)
-        course_ids = params[:course_ids]
+
         unless course_ids.nil?
           course_ids.each do |id|
             next if ori.blank?
@@ -1106,6 +1114,8 @@ class UsersController < ApplicationController
           end
         end
       end
+    else
+     @flag = false
     end
     respond_to do |format|
       format.js
@@ -1114,9 +1124,13 @@ class UsersController < ApplicationController
 
   # 添加资源到对应的项目
   def add_exist_file_to_project
+    @flag = true
     if  params[:send_id].present?
       send_id  = params[:send_id]
       project_ids = params[:projects_ids]
+      if project_ids.nil?
+        @flag = false
+      end
       ori = Attachment.find_by_id(send_id)
       unless project_ids.nil?
         project_ids.each do |project_id|
@@ -1134,8 +1148,12 @@ class UsersController < ApplicationController
       end
     elsif params[:send_ids].present?
       send_ids = params[:send_ids].split(" ")
+      project_ids = params[:projects_ids]
+      if project_ids.nil?
+        @flag = false
+      end
       send_ids.each do |send_id|
-        project_ids = params[:projects_ids]
+
         ori = Attachment.find_by_id(send_id)
         unless project_ids.nil?
           project_ids.each do |project_id|
@@ -1153,6 +1171,7 @@ class UsersController < ApplicationController
         end
       end
     else
+      @flag=true
     end
 
     respond_to do |format|

app/views/users/add_exist_file_to_course.js.erb

@@ -1,2 +1,5 @@
+<% if @flag == true%>
 alert('发送成功')
-closeModal();
+closeModal();
+<% else%>
+<% end %>

app/views/users/add_exist_file_to_project.js.erb

@@ -1,2 +1,5 @@
-alert('发送成功');
-closeModal();
+<% if @flag == true%>
+alert('发送成功')
+closeModal();
+<% else%>
+<% end %>

app/views/users/user_resource.html.erb

@@ -161,7 +161,7 @@ $(".resourcesList").mousedown(function(e) {
                    line = line.parent();
                 }
                 //将当前的元素的所有子元素的背景色改为蓝色
-                line.children().css("background-color", '#00ffff');
+                line.children().css("background-color", '#e1e1e1');
                 //将当前元素赋给 上一个对象 保存起来。
                 last_line = line;
              }