文件导入导出

.idea/codeStyleSettings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectCodeStyleSettingsManager">
+    <option name="PER_PROJECT_SETTINGS">
+      <value />
+    </option>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </component>
+</project>

.idea/misc.xml

@@ -1,30 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectInspectionProfilesVisibleTreeState">
-    <entry key="Project Default">
-      <profile-state>
-        <expanded-state>
-          <State>
-            <id />
-          </State>
-          <State>
-            <id>CSS</id>
-          </State>
-          <State>
-            <id>Probable bugsCSS</id>
-          </State>
-          <State>
-            <id>RELAX NG</id>
-          </State>
-        </expanded-state>
-        <selected-state>
-          <State>
-            <id>CoffeeScript</id>
-          </State>
-        </selected-state>
-      </profile-state>
-    </entry>
-  </component>
   <component name="ProjectLevelVcsManager" settingsEditedManually="false">
     <OptionsSetting value="true" id="Add" />
     <OptionsSetting value="true" id="Remove" />
@@ -36,19 +11,4 @@
     <ConfirmationsSetting value="0" id="Remove" />
   </component>
   <component name="ProjectRootManager" version="2" project-jdk-name="RVM: ruby-2.2.4" project-jdk-type="RUBY_SDK" />
-  <component name="masterDetails">
-    <states>
-      <state key="ScopeChooserConfigurable.UI">
-        <settings>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-    </states>
-  </component>
 </project>

.idea/vim.iml

@@ -108,6 +108,25 @@
       <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="LAUNCH_JS" VALUE="false" />
       <method />
     </configuration>
+    <configuration default="false" name="product_controller" type="RubyRunConfigurationType" factoryName="Ruby" temporary="true">
+      <module name="vim" />
+      <RUBY_RUN_CONFIG NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+      <RUBY_RUN_CONFIG NAME="WORK DIR" VALUE="$MODULE_DIR$/app/models" />
+      <RUBY_RUN_CONFIG NAME="SHOULD_USE_SDK" VALUE="false" />
+      <RUBY_RUN_CONFIG NAME="ALTERN_SDK_NAME" VALUE="" />
+      <RUBY_RUN_CONFIG NAME="myPassParentEnvs" VALUE="true" />
+      <envs />
+      <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+      <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+      <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+        <COVERAGE_PATTERN ENABLED="true">
+          <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+        </COVERAGE_PATTERN>
+      </EXTENSION>
+      <RUBY_RUN_CONFIG NAME="SCRIPT_PATH" VALUE="$MODULE_DIR$/app/models/product_controller.rb" />
+      <RUBY_RUN_CONFIG NAME="SCRIPT_ARGS" VALUE="" />
+      <method />
+    </configuration>
   </component>
   <component name="NewModuleRootManager">
     <content url="file://$MODULE_DIR$">

app/assets/javascripts/excel.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/excel.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the excel controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/courses_controller.rb

@@ -57,6 +57,20 @@ class CoursesController < ApplicationController
     redirect_to courses_path, flash: {:success => "已经成功关闭该课程:#{ @course.name}"}
   end
 
+  def excel
+    @course= current_user.teaching_courses
+  end
+
+  def excel_in
+    @course = Course.find_by_id(params[:id])
+    if @course.update_attributes(course_params)
+      flash={:info => " 导入成功"}
+    else
+      flash={:warning => "导入失败"}
+    end
+    redirect_to excel_courses_path, flash: flash
+  end
+
   #-------------------------for students----------------------
 
   def list
@@ -79,7 +93,19 @@ class CoursesController < ApplicationController
     redirect_to courses_path, flash: flash
   end
 
+  def excel_out
+    @course=Course.find_by_id(params[:id])
+    if @course.update_attributes(course_params)
+      flash={:info => " 导出成功"}
+    else
+      flash={:warning => "导出失败"}
+    end
+    redirect_to excel_courses_path, flash: flash
+  end
 
+  def show
+    @course = Course.find(params[:id])
+  end
   #-------------------------for both teachers and students----------------------
 
   def index
@@ -118,7 +144,7 @@ class CoursesController < ApplicationController
 
 
   def course_params
-    params.require(:course).permit(:course_code, :avatar, :name, :course_type, :teaching_type, :exam_type,
+    params.require(:course).permit(:course_code, :excel, :avatar, :name, :course_type, :teaching_type, :exam_type,
                                    :credit, :limit_num, :class_room, :course_time, :course_week, :course_introduction)
   end
 

app/controllers/excel_controller.rb

@@ -0,0 +1,26 @@
+=begin
+Date: 2016.12.28
+创建基于Importex::Base的类
+使用导入excel的ruby插件 importex
+gem install importex
+或者使用
+./script/plugin install git://github.com/ryanb/importex.git
+=end
+
+class ExcelController < ApplicationController
+  def parse
+  #output excel
+  respond_to :html, :xlsx
+  def index
+    @user = User.all
+    respond_with @users
+  end
+  end
+
+  def creat
+    @excel = Excel.new(excel_params)
+    @book.excel.url = params[:file];
+  end
+
+end
+

app/controllers/grades_controller.rb

@@ -12,6 +12,35 @@ class GradesController < ApplicationController
     redirect_to grades_path(course_id: params[:course_id]), flash: flash
   end
 
+  def excel_in
+
+    require 'importex'
+    Excel <Importex::Base
+      column "Name",:required=> true
+      column "class",:required=> true
+      column "Grades",:type=> Integer
+      column  "Date",:type=> Date
+      column "Discontinued",:type=> Boolean
+
+  #导入excel文件
+    Excel.import("course.excel")
+
+  #使用导入数据
+  #all代表所有的数据，各个字段作为hash
+    excel = Excel.all
+    excel.first["Discontinued"] # => false
+
+  #数据验证和容错处理
+  #当excel的数据格式不能处理的时候，或者数据格式不符合时
+    begin
+      Excel.import()
+    rescue Importex::ImportError => e
+      puts e.message
+    end
+
+
+  end
+
   def index
     if teacher_logged_in?
       @course=Course.find_by_id(params[:course_id])

app/controllers/users_controller.rb

@@ -1,73 +1,73 @@
 class UsersController < ApplicationController
-  before_action :logged_in, only: :update
-  before_action :correct_user, only: [:update, :destroy]
+before_action :logged_in, only: :update
+before_action :correct_user, only: [:update, :destroy]
 
-  def new
-    @user=User.new
-  end
+def new
+@user=User.new
+end
 
-  def create
-    @user = User.new(user_params)
-    if @user.save
-      redirect_to root_url, flash: {success: "新账号注册成功,请登陆"}
-    else
-      flash[:warning] = "账号信息填写有误,请重试"
-      render 'new'
-    end
-  end
+def create
+@user = User.new(user_params)
+if @user.save
+  redirect_to root_url, flash: {success: "新账号注册成功,请登陆"}
+else
+  flash[:warning] = "账号信息填写有误,请重试"
+  render 'new'
+end
+end
 
-  def edit
-    @user=User.find_by_id(params[:id])
-  end
+def edit
+@user=User.find_by_id(params[:id])
+end
 
-  def update
-    @user = User.find_by_id(params[:id])
-    if @user.update_attributes(user_params)
-      flash={:info => "更新成功"}
-    else
-      flash={:warning => "更新失败"}
-    end
-    redirect_to root_path, flash: flash
-  end
+def update
+@user = User.find_by_id(params[:id])
+if @user.update_attributes(user_params)
+  flash={:info => "更新成功"}
+else
+  flash={:warning => "更新失败"}
+end
+redirect_to root_path, flash: flash
+end
 
-  def destroy
-    @user = User.find_by_id(params[:id])
-    @user.destroy
-    redirect_to users_path(new: false), flash: {success: "用户删除"}
-  end
+def destroy
+@user = User.find_by_id(params[:id])
+@user.destroy
+redirect_to users_path(new: false), flash: {success: "用户删除"}
+end
 
 
 #----------------------------------- students function--------------------
 
 
 
-  private
+private
 
-  def user_params
-    params.require(:user).permit(:name, :email, :major, :department, :password,
-                                 :password_confirmation)
-  end
+def user_params
+params.require(:user).permit(:name, :email, :major, :department, :password,
+                             :password_confirmation)
+end
 
-  # Confirms a logged-in user.
-  def logged_in
-    unless logged_in?
-      redirect_to root_url, flash: {danger: '请登陆'}
-    end
-  end
+# Confirms a logged-in user.
+def logged_in
+unless logged_in?
+  redirect_to root_url, flash: {danger: '请登陆'}
+end
+end
 
-  # Confirms the correct user.
-  def correct_user
-    @user = User.find(params[:id])
-    unless current_user?(@user)
-      redirect_to root_url, flash: {:warning => '此操作需要管理员身份'}
-    end
-  end
+# Confirms the correct user.
+def correct_user
+@user = User.find(params[:id])
+unless current_user?(@user)
+  redirect_to root_url, flash: {:warning => '此操作需要管理员身份'}
+end
+end
 
-  # Confirms a logged-in user.
-  def teacher_logged_in
-    unless teacher_logged_in?
-      redirect_to root_url, flash: {danger: '请登陆'}
-    end
-  end
+# Confirms a logged-in user.
+def teacher_logged_in
+unless teacher_logged_in?
+  redirect_to root_url, flash: {danger: '请登陆'}
+end
+end
 
 end

app/helpers/excel_helper.rb

@@ -0,0 +1,2 @@
+module ExcelHelper
+end

app/models/course.rb

@@ -1,6 +1,7 @@
 class Course < ActiveRecord::Base
 
   mount_uploader :avatar, AvatarUploader
+  mount_uploader :excel, ExcelUploader
 
   has_many :grades
   has_many :users, through: :grades
@@ -10,5 +11,4 @@ class Course < ActiveRecord::Base
   validates :name, :course_type, :course_time, :course_week,
             :class_room, :credit, :teaching_type, :exam_type, presence: true, length: {maximum: 50}
 
-
 end

app/models/excel.rb

@@ -0,0 +1,49 @@
+=begin
+Date: 2016.12.28
+创建基于Importex::Base的类
+使用导入excel的ruby插件 importex
+gem install importex
+或者使用
+./script/plugin install git://github.com/ryanb/importex.git
+=end
+
+
+require 'importex'
+class Excel <Importex::Base
+  column "Name",:required=> true
+  column "class",:required=> true
+  column "Grades",:type=> Integer
+  column  "Date",:type=> Date
+  column "Discontinued",:type=> Boolean
+end
+
+#导入excel文件
+Excel.import("course.excel")
+
+#使用导入数据
+#all代表所有的数据，各个字段作为hash
+excel = Excel.all
+excel.first["Discontinued"] # => false
+
+#数据验证和容错处理
+#当excel的数据格式不能处理的时候，或者数据格式不符合时
+begin
+  Excel.import()
+rescue Importex::ImportError => e
+  puts e.message
+end
+
+
+#允许导入的字段指向Ruby对象，
+# 例如，下面的例子，可以增加一个字段表示上面导入Product的类型情况
+class Category < ActiveRecord::Base
+  def self.importex_value(str)
+    find_by_name!(str)
+  rescue ActiveRecord::RecordNotFound
+    raise Importex::InvalidCell, "No category with that name."
+  end
+end
+
+class Product < Importex::Base
+  column "Category", :type => Category
+end

app/models/excelparse.rb

@@ -0,0 +1,53 @@
+=begin
+用Ruby读取Excel文件
+Parseexcel是一个ruby端的perl解析excel的插件
+=end
+
+Spreadsheet::Parseexcel.parse("course.excel")
+worksheet = workbook.worksheet(0)
+ worksheet.each { |row|
+     j = 0
+     i = 0
+     if row != nil
+           row.each { |cell|
+               if cell != nil
+                         contents = cell.to_s('latin1')
+                         puts "Row: #{j} Cell: #{i} #{contents}"
+                       end
+               i = i+1
+             }
+           j = j +1
+           end
+   }
+
+=begin
+ cell.to_s('latin1') #读取字符串
+ cell.to_s('latin1') #读取float值
+ cell.to_i           #读取int值
+ cell.date           #读取一个时间值
+ cell = row.at(3)    #读取特定值
+=end
+
+require 'parseexcel'
+
+ #从命令行输入要打开的excel文件名
+ workbook = Spreadsheet::ParseExcel.parse(ARGV[0])
+
+ #得到第一个表单
+ worksheet = workbook.worksheet(0)
+ #遍历行
+ worksheet.each { |row|
+     j=0
+     i=0
+     if row != nil
+           #遍历该行非空单元格
+           row.each { |cell|
+               if cell != nil
+                        #取得单元格内容为string类型
+                         contents = cell.to_s('latin1')
+                         puts "Row: #{j} Cell: #{i}> #{contents}"
+                       end
+               i = i+1
+             }
+           end
+   }

app/uploaders/excel_uploader.rb

@@ -0,0 +1,51 @@
+# encoding: utf-8
+
+class ExcelUploader < CarrierWave::Uploader::Base
+
+  # Include RMagick or MiniMagick support:
+  # include CarrierWave::RMagick
+  # include CarrierWave::MiniMagick
+
+  # Choose what kind of storage to use for this uploader:
+  storage :file
+  # storage :fog
+
+  # Override the directory where uploaded files will be stored.
+  # This is a sensible default for uploaders that are meant to be mounted:
+  def store_dir
+    "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
+  end
+
+  # Provide a default URL as a default if there hasn't been a file uploaded:
+  # def default_url
+  #   # For Rails 3.1+ asset pipeline compatibility:
+  #   # ActionController::Base.helpers.asset_path("fallback/" + [version_name, "default.png"].compact.join('_'))
+  #
+  #   "/images/fallback/" + [version_name, "default.png"].compact.join('_')
+  # end
+
+  # Process files as they are uploaded:
+  # process :scale => [200, 300]
+  #
+  # def scale(width, height)
+  #   # do something
+  # end
+
+  # Create different versions of your uploaded files:
+  # version :thumb do
+  #   process :resize_to_fit => [50, 50]
+  # end
+
+  # Add a white list of extensions which are allowed to be uploaded.
+  # For images you might use something like this:
+  # def extension_white_list
+  #   %w(jpg jpeg gif png)
+  # end
+
+  # Override the filename of the uploaded files:
+  # Avoid using model.id or version_name here, see uploader/store.rb for details.
+  # def filename
+  #   "something.jpg" if original_filename
+  # end
+
+end

app/views/courses/_form.html.erb

@@ -113,6 +113,17 @@
       </div>
     </div>
 
+    <div class="form-group">
+      <%= f.label "excel", class: 'col-sm-3 control-label' %>
+      <div class="col-sm-9">
+        <div class="input-group">
+          <div class="input-group-addon"><span class="glyphicon glyphicon-arrow-right"></span></div>
+          <%= f.file_field :excel %>
+          <%= f.hidden_field :excel_cache %>
+        </div>
+      </div>
+    </div>
+
 
 
 

app/views/courses/excel.html.erb

@@ -0,0 +1,75 @@
+<div class="container-fluid">
+  <div class="row">
+    <div class="col-sm-2">
+      <%= render "shared/sidenav" %>
+
+    </div>
+    <div class="col-sm-10">
+      <div class="panel panel-primary">
+        <div class="panel-heading">
+
+        </div>
+        <div class="panel-body" style="min-height: 450px">
+          <table class="table table-striped table-hover">
+
+            <thead>
+
+            <caption></caption>
+            <tr>
+              <th align="center" >课程名称</th>
+              <th align="right">Excel文件导入</th>
+            </tr>
+            </tablebotder>
+            </thead>
+            <tbody>
+
+            <% @course.each do |course| %>
+                <tr>
+                  <td align="left" ><%= link_to course.name, detail_course_url(course), class: 'btn-sm' %></td>
+                  <!--<a href="link_to course.excel"></a>-->
+                  <!--<td align="left"><%= link_to course.excel, detail_course_path(course), class: 'btn-sm' %></td>-->
+
+                  <%= form_for course, url: excel_in_course_path(course) , html: {class: 'form-horizontal', role: 'form'} do |f| %>
+                      <div class="form-group">
+                        <%= f.label "上传文件", class: 'col-sm-3 control-label' %>
+                        <div class="col-sm-3">
+                          <div class="input-group">
+                            <%= f.file_field :excel %>
+                            <%= f.hidden_field :excel_cache %>
+                          </div>
+                        </div>
+                      </div>
+                      <%= f.submit '提交', class: "btn btn-success btn-block" %>
+                  <% end %>
+                  <td><a class="btn btn-xs btn-success" href=<%="http://localhost:3000#{course.excel}"%> >下载最新资料</a></td>
+                </tr>
+            <% end %>
+            </tbody>
+          </table>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
+
+
+<button id="downloadBt" style= "width:80px;height:25px;padding:2px;font-size:13px;color:black;left:90%; top:69%;position:absolute;z-index:100" onclick="downloadSchedule()">下载表格</button>
+</div>
+
+<!--<script src="../src/jquery.min.js"></script>-->
+<!--<script src="../src/jquery.table2excel.js"></script>-->
+<script>
+  function downloadSchedule() {
+    $(".table2excel").table2excel({
+      exclude: ".noExl",
+      name: "Excel Document Name",
+      filename: "<%= current_user.name %>课表",
+      fileext: ".xls",
+      exclude_img: true,
+      exclude_links: true,
+      exclude_inputs: true
+    });
+  }
+</script>
+
+

app/views/courses/index.html.erb

@@ -33,6 +33,7 @@
                   <td><%= course.credit %></td>
                   <td><%= course.exam_type %></td>
                   <td><%= course.teacher.name %></td>
+                  <td><%course.excel%></td>
 
                   <% if teacher_logged_in? %>
                       <td><%= link_to "编辑", edit_course_url(course), class: 'btn btn-xs btn-info' %></td>
@@ -46,7 +47,10 @@
                       <td><%= link_to "删除", course_path(course), :method => "delete", class: 'btn btn-xs btn-danger', :data => {confirm: '确定要删除此课程?'} %></td>
                   <% elsif student_logged_in? %>
                       <td><%= link_to "删除", quit_course_path(course), class: 'btn-sm btn-danger' %></td>
+                      <td><a class="btn btn-xs btn-success" href=<%="http://localhost:3000#{course.excel}"%> >下载最新资料</a></td>
                   <% end %>
+
+
                 </tr>
             <% end %>
             </tbody>
@@ -56,4 +60,4 @@
       </div>
     </div>
   </div>
-</div>
+</div>

app/views/excel/parse.html.erb

@@ -0,0 +1,2 @@
+<h1>Hello,Rails</h1>
+<p>Find me in app/views/excel/parse.html.erb</p>

app/views/grades/index.html.erb

@@ -34,7 +34,65 @@
                   <td><%= grade.user.department %></td>
                   <td><%= grade.course.name %></td>
                   <td><%= grade.grade %></td>
+                  <!--
+                  <td><%= grade.course.excel %></td>
+                  <head>
+                    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+                    <title>JavaScript遍历table</title>
+                    <style type="text/css">
+                      tr td,tr th{
+                        border:#CCC 1px solid;
+                      }
+                    </style>
+                    <script type="text/javascript">
+                      /**
+                       * JavaScript遍历table
+                       */
+                      function eachTableRow()
+                      {
+//获取table序号
+                        var tab=document.getElementById("course.excel");
+//获取行数
+                        var rows=tab.rows;
+//遍历行
+                        for(var i=1;i<rows.length;i++)
+                        {
+//遍历表格列
+                          for(var j=0;j<rows[i].cells.length;j++)
+                          {
+//打印某行某列的值
+                            alert("第"+(i+1)+"行，第"+(j+1)+"列的值是:"+rows[i].cells[j].innerHTML);
+                          }
+                        }
+                      }
+                    </script>
+                  </head>
 
+                  <body>
+                  <table id="tab" cellpadding="0" cellspacing="0" style="width:50%; text-align:center; border:#CCC 1px solid;">
+                    <tr style="border:#CCC 1px solid;">
+                      <th>学号</th>
+                      <th>姓名</th>
+                      <th>年龄</th>
+                      <th>性别</th>
+                    </tr>
+                    <tr>
+                      <td>2014010101</td>
+                      <td>张思思</td>
+                      <td>20</td>
+                      <td>女</td>
+                    </tr>
+                    <tr>
+                      <td>2014010102</td>
+                      <td>立三</td>
+                      <td>21</td>
+                      <td>男</td>
+                    </tr>
+
+                  </table>
+                  <input type="button" value="遍历" onclick="eachTableRow()"/>
+                  </body>
+                  -->
                   <% if teacher_logged_in? %>
                       <%= form_for grade, url: grade_url(id: grade.id, course_id: grade.course.id), method: :patch do |f| %>
                           <td><%= f.text_field :grade %></td>

app/views/shared/_sidenav.html.erb

@@ -59,6 +59,7 @@
         <% if teacher_logged_in? %>
             <a data-toggle="collapse" data-parent="#accordion" href="#GradeCollapse"><span class="glyphicon glyphicon-user"></span>
               成绩管理</a>
+
         <% end %>
 
         <% if student_logged_in? %>
@@ -72,6 +73,12 @@
       <div class="list-group">
 
         <% if teacher_logged_in? %>
+            <li class="list-group-item">
+              <%= link_to excel_courses_path do %>
+                  <span class="glyphicon glyphicon-chevron-right"></span> excel
+              <% end %>
+            </li>
+
             <% current_user.teaching_courses.each do |course| %>
                 <li class="list-group-item">
                   <%= link_to grades_path(course_id: course.id), :method => :get do %>

config/routes.rb

@@ -1,4 +1,6 @@
 Rails.application.routes.draw do
+  get 'excel/parse'
+
   # The priority is based upon order of creation: first created -> highest priority.
   # See how all your routes lay out with "rake routes".
 
@@ -24,9 +26,12 @@ Rails.application.routes.draw do
       get :detail
       get :open
       get :close
+      patch :excel_in
+      patch :excel_out
     end
     collection do
       get :list
+      get :excel
     end
   end
 

db/migrate/20161228082748_add_excel_to_course.rb

@@ -0,0 +1,5 @@
+class AddExcelToCourse < ActiveRecord::Migration
+  def change
+    add_column :courses, :excel, :string
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20161108164630) do
+ActiveRecord::Schema.define(version: 20161228082748) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -29,10 +29,12 @@ ActiveRecord::Schema.define(version: 20161108164630) do
     t.string   "course_time"
     t.string   "course_week"
     t.integer  "teacher_id"
-    t.datetime "created_at",                      null: false
-    t.datetime "updated_at",                      null: false
+    t.datetime "created_at",                          null: false
+    t.datetime "updated_at",                          null: false
     t.string   "course_introduction"
     t.string   "avatar"
+    t.boolean  "open",                default: false
+    t.string   "excel"
   end
 
   create_table "grades", force: :cascade do |t|
@@ -46,12 +48,6 @@ ActiveRecord::Schema.define(version: 20161108164630) do
   add_index "grades", ["course_id"], name: "index_grades_on_course_id", using: :btree
   add_index "grades", ["user_id"], name: "index_grades_on_user_id", using: :btree
 
-  create_table "images", force: :cascade do |t|
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
-    t.string   "image"
-  end
-
   create_table "users", force: :cascade do |t|
     t.string   "name"
     t.string   "email"

public/uploads/tmp/1482915623-15750-0003-8279/build.txt

@@ -0,0 +1 @@
+RM-162.2380.8

test/controllers/excel_controller_test.rb

@@ -0,0 +1,9 @@
+require 'test_helper'
+
+class ExcelControllerTest < ActionController::TestCase
+  test "should get parse" do
+    get :parse
+    assert_response :success
+  end
+
+end