作业参与人员增加退出作业按钮显示，实现参与人员自主退出作业的功能

app/controllers/homework_attach_controller.rb

@@ -182,6 +182,9 @@ class HomeworkAttachController < ApplicationController
       homework_user = @homework.homework_users.where("user_id = #{params[:user_id]}").first
       homework_user.destroy
       get_homework_member @homework
+
+      @homework_list = []
+      @is_my_homework = true
       respond_to do |format|
         format.js
       end

app/views/homework_attach/_homework.html.erb

@@ -45,8 +45,13 @@
         <li class="wmine">
           <%= link_to l(:button_edit), edit_homework_attach_path(homework) %>
           <%  if homework.user == User.current || User.current.admin? %>
+              <!-- 作业创建者显示删除作业 -->
               <%= link_to(l(:label_bid_respond_delete), homework,
                           method: :delete, :confirm => l(:text_are_you_sure), :remote => true )  %>
+          <% else %>
+              <!-- 作业参与者显示退出作业 -->
+              <%= link_to l(:label_logout), destory_homework_users_homework_attach_path(homework,:user_id=>User.current.id),
+                          :remote => true, :confirm => l(:label_sure_exit_homework)  %>
           <% end %>
         </li>
     <% elsif is_student_batch_homework%>

app/views/homework_attach/destory_homework_users.js.erb

@@ -1 +1,4 @@
-$('#content2').html('<%= escape_javascript(render(:partial => 'homework_member', :locals => {:members => @members,:hoemwork_users =>@hoemwork_users,:homework => @homework} )) %>');
+$('#content2').html('<%= escape_javascript(render(:partial => 'homework_member', :locals => {:members => @members,:hoemwork_users =>@hoemwork_users,:homework => @homework} )) %>');
+
+$('#tbc_01').html('<%= escape_javascript(render(:partial => 'homeworks_list',
+    :locals => {:homeworks => @homework_list, :bid => @bid, :remote => true, :is_my_homework => @is_my_homework} )) %>');

config/locales/zh.yml

@@ -2179,3 +2179,4 @@ zh:
   label_create_person: 创建人员
   label_participation_person: 参与人员
   label_homework_without_description: 该作业无任何描述！
+  label_sure_exit_homework: 是否确认退出该作业