项目配置，成员界面，点击操作-编辑按钮，角色出现下拉列表框

app/views/projects/settings/_new_members.html.erb

@@ -33,6 +33,7 @@
         <th><%= i += 1 %></th>
         <th> <%= link_to_user_header member.principal, true %></th>
         <th>
+
           <% if User.current.language == "zh" %>
               <% zh_roles = [] %>
               <% member.roles.each do |role| %>
@@ -45,13 +46,23 @@
                      end
                   %>
               <% end %>
-              <%= h zh_roles.sort.reverse.collect(&:to_s).join(', ') %>
+              <label style="text-align:center;" id="members_<%= member.id %>_role_show"><%= h zh_roles.sort.reverse.collect(&:to_s).join(', ') %></label>
           <% else %>
-              <%= h member.roles.sort.collect(&:to_s).join(', ') %>
+              <label style="text-align:center;"  id="members_<%= member.id %>_role_show"> <%= h member.roles.sort.collect(&:to_s).join(', ') %></label>
-          <% end %></th>
+          <% end %>
+          <%= form_for(member, {:as => :membership, :remote => true, :url => membership_path(member),
+                                :method => :put,
+                                :html => {:id => "members-#{member.id}-roles-form", :class => 'undis'}}
+              ) do |f| %>
+          <%= select( :membership, :roles, [["管理人员",3],["开发人员",4],["报告人员",5]],
+                      { :include_blank => false, :selected => member.roles[0].id ? member.roles[0].id : 0 },
+                      { :onchange=>"remote_function('#members-#{member.id}-roles-form');", :id =>"membership[role_ids][]", :name => "membership[role_ids][]", :style => "border:1px solid #e5e5e5;"}) %>
+
+          <% end %>
+        </th>
         <th>
           <% unless member.user_id == @project.user_id %>
-          <a href="javascript:void(0);" class=" sy_btn_blue mr5 ">编辑</a>
+          <a href="javascript:void(0);" class=" sy_btn_blue mr5 " onclick="$('#members-<%= member.id%>-roles-form').show();$('#members_<%= member.id %>_role_show').hide();">编辑</a>
           <%= delete_link membership_path(member),
                            :remote => true,
                            :class => "sy_btn_grey mr5",
@@ -279,4 +290,7 @@
    function add_members_submit(){
        $("#new_membership").submit();
    }
+    function remote_function(id) {
+        $(id).submit();
+    }
 </script>